diff --git a/include/configs/10m50_devboard.h b/include/configs/10m50_devboard.h
index 892ceff..d15cc44 100644
--- a/include/configs/10m50_devboard.h
+++ b/include/configs/10m50_devboard.h
@@ -78,7 +78,6 @@
  * MISC
  */
 #define CONFIG_SYS_LONGHELP		/* Provide extended help */
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O buf size */
 #define CONFIG_SYS_MAXARGS		16	/* Max command args	*/
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE /* Bootarg buf size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
diff --git a/include/configs/3c120_devboard.h b/include/configs/3c120_devboard.h
index 3869d90..463e978 100644
--- a/include/configs/3c120_devboard.h
+++ b/include/configs/3c120_devboard.h
@@ -81,7 +81,6 @@
  * MISC
  */
 #define CONFIG_SYS_LONGHELP		/* Provide extended help */
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O buf size */
 #define CONFIG_SYS_MAXARGS		16	/* Max command args	*/
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE /* Bootarg buf size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
diff --git a/include/configs/B4860QDS.h b/include/configs/B4860QDS.h
index f2313a5..4273c2d 100644
--- a/include/configs/B4860QDS.h
+++ b/include/configs/B4860QDS.h
@@ -708,11 +708,6 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE/* Boot Argument Buffer Size */
diff --git a/include/configs/BSC9132QDS.h b/include/configs/BSC9132QDS.h
index 92ff88b..c02aad1 100644
--- a/include/configs/BSC9132QDS.h
+++ b/include/configs/BSC9132QDS.h
@@ -515,11 +515,6 @@ combinations. this should be removed later
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 						/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
diff --git a/include/configs/C29XPCIE.h b/include/configs/C29XPCIE.h
index 8c664b1..697b355 100644
--- a/include/configs/C29XPCIE.h
+++ b/include/configs/C29XPCIE.h
@@ -433,7 +433,6 @@
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 						/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
diff --git a/include/configs/M5208EVBE.h b/include/configs/M5208EVBE.h
index 0fbf457..477b826 100644
--- a/include/configs/M5208EVBE.h
+++ b/include/configs/M5208EVBE.h
@@ -80,12 +80,6 @@
 #define CONFIG_PRAM		512	/* 512 KB */
 #define CONFIG_SYS_LONGHELP	/* undef to save memory */
 
-#ifdef CONFIG_CMD_KGDB
-#	define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-#	define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of cmd args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Arg Buf Sz */
diff --git a/include/configs/M52277EVB.h b/include/configs/M52277EVB.h
index 21a0309..9e74fad 100644
--- a/include/configs/M52277EVB.h
+++ b/include/configs/M52277EVB.h
@@ -131,11 +131,6 @@
 
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size    */
diff --git a/include/configs/M5235EVB.h b/include/configs/M5235EVB.h
index dac2a32..82675cc 100644
--- a/include/configs/M5235EVB.h
+++ b/include/configs/M5235EVB.h
@@ -95,12 +95,6 @@
 #define CONFIG_PRAM		512	/* 512 KB */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 
-#if defined(CONFIG_KGDB)
-#	define CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size */
-#else
-#	define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size    */
diff --git a/include/configs/M5249EVB.h b/include/configs/M5249EVB.h
index f6027e2..c808677 100644
--- a/include/configs/M5249EVB.h
+++ b/include/configs/M5249EVB.h
@@ -41,11 +41,6 @@
 
 #define CONFIG_SYS_LONGHELP				/* undef to save memory		*/
 
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE		1024		/* Console I/O Buffer Size	*/
-#else
-#define CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size	*/
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS		16		/* max number of command args	*/
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/
diff --git a/include/configs/M5253DEMO.h b/include/configs/M5253DEMO.h
index 2bdfe80..424d424 100644
--- a/include/configs/M5253DEMO.h
+++ b/include/configs/M5253DEMO.h
@@ -94,11 +94,6 @@
 
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 
-#if defined(CONFIG_CMD_KGDB)
-#	define CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size */
-#else
-#	define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/M5253EVBE.h b/include/configs/M5253EVBE.h
index 0722ea1..300cfd8 100644
--- a/include/configs/M5253EVBE.h
+++ b/include/configs/M5253EVBE.h
@@ -64,11 +64,6 @@
 
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/M5272C3.h b/include/configs/M5272C3.h
index e6bd7f3..d9b6c80 100644
--- a/include/configs/M5272C3.h
+++ b/include/configs/M5272C3.h
@@ -98,12 +98,6 @@
 
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size      */
-#else
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size      */
-#endif
-
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args   */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size    */
diff --git a/include/configs/M5275EVB.h b/include/configs/M5275EVB.h
index 6bcd6b6..eb65308 100644
--- a/include/configs/M5275EVB.h
+++ b/include/configs/M5275EVB.h
@@ -90,11 +90,6 @@
 
 #define CONFIG_SYS_LONGHELP		/* undef to save memory	*/
 
-#if (CONFIG_CMD_KGDB)
-#	define CONFIG_SYS_CBSIZE	1024
-#else
-#	define CONFIG_SYS_CBSIZE	256
-#endif
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
diff --git a/include/configs/M5282EVB.h b/include/configs/M5282EVB.h
index cc703aa..d2919c6 100644
--- a/include/configs/M5282EVB.h
+++ b/include/configs/M5282EVB.h
@@ -90,11 +90,6 @@
 
 #define	CONFIG_SYS_LONGHELP		/* undef to save memory         */
 
-#if defined(CONFIG_CMD_KGDB)
-#define	CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size      */
-#else
-#define	CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size      */
-#endif
 #define	CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define	CONFIG_SYS_MAXARGS		16	/* max number of command args   */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size    */
diff --git a/include/configs/M53017EVB.h b/include/configs/M53017EVB.h
index f781246..422e36d 100644
--- a/include/configs/M53017EVB.h
+++ b/include/configs/M53017EVB.h
@@ -97,12 +97,6 @@
 #define CONFIG_PRAM		512	/* 512 KB */
 #define CONFIG_SYS_LONGHELP	/* undef to save memory */
 
-#ifdef CONFIG_CMD_KGDB
-#	define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-#	define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of cmd args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Arg Buf Sz */
diff --git a/include/configs/M5329EVB.h b/include/configs/M5329EVB.h
index f7b284f..7fd2500 100644
--- a/include/configs/M5329EVB.h
+++ b/include/configs/M5329EVB.h
@@ -89,12 +89,6 @@
 #define CONFIG_PRAM		512	/* 512 KB */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 
-#ifdef CONFIG_CMD_KGDB
-#	define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-#	define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE			(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size    */
diff --git a/include/configs/M5373EVB.h b/include/configs/M5373EVB.h
index b85e0f0..4c1962b 100644
--- a/include/configs/M5373EVB.h
+++ b/include/configs/M5373EVB.h
@@ -89,12 +89,6 @@
 #define CONFIG_PRAM		512	/* 512 KB */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 
-#ifdef CONFIG_CMD_KGDB
-#	define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-#	define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE			(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size    */
diff --git a/include/configs/M54418TWR.h b/include/configs/M54418TWR.h
index 6822b4c..f90c014 100644
--- a/include/configs/M54418TWR.h
+++ b/include/configs/M54418TWR.h
@@ -178,11 +178,6 @@
 
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
-#endif
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/M54451EVB.h b/include/configs/M54451EVB.h
index f6d9251..6761631 100644
--- a/include/configs/M54451EVB.h
+++ b/include/configs/M54451EVB.h
@@ -142,11 +142,6 @@
 
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE			1024	/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE			256	/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size    */
diff --git a/include/configs/M54455EVB.h b/include/configs/M54455EVB.h
index f1acf07..4bc411d 100644
--- a/include/configs/M54455EVB.h
+++ b/include/configs/M54455EVB.h
@@ -193,11 +193,6 @@
 
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE			1024	/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE			256	/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size    */
diff --git a/include/configs/M5475EVB.h b/include/configs/M5475EVB.h
index b51d695..a3badbe 100644
--- a/include/configs/M5475EVB.h
+++ b/include/configs/M5475EVB.h
@@ -126,12 +126,6 @@
 #define CONFIG_PRAM		512	/* 512 KB */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 
-#ifdef CONFIG_CMD_KGDB
-#	define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-#	define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size    */
diff --git a/include/configs/M5485EVB.h b/include/configs/M5485EVB.h
index 56af0e3..957f5ba 100644
--- a/include/configs/M5485EVB.h
+++ b/include/configs/M5485EVB.h
@@ -114,12 +114,6 @@
 #define CONFIG_PRAM		512	/* 512 KB */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 
-#ifdef CONFIG_CMD_KGDB
-#	define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-#	define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size    */
diff --git a/include/configs/MCR3000.h b/include/configs/MCR3000.h
index 1e6d057..d1d4fe1 100644
--- a/include/configs/MCR3000.h
+++ b/include/configs/MCR3000.h
@@ -70,7 +70,6 @@
 
 /* Miscellaneous configurable options */
 #define	CONFIG_SYS_LONGHELP
-#define	CONFIG_SYS_CBSIZE		256
 #define	CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define	CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
diff --git a/include/configs/MPC8315ERDB.h b/include/configs/MPC8315ERDB.h
index e2cc815..41cbcbc 100644
--- a/include/configs/MPC8315ERDB.h
+++ b/include/configs/MPC8315ERDB.h
@@ -454,12 +454,6 @@
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_SYS_LOAD_ADDR		0x2000000 /* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-	#define CONFIG_SYS_CBSIZE	1024 /* Console I/O Buffer Size */
-#else
-	#define CONFIG_SYS_CBSIZE	256 /* Console I/O Buffer Size */
-#endif
-
 				/* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/MPC8323ERDB.h b/include/configs/MPC8323ERDB.h
index 7f99bd2..a3d760f 100644
--- a/include/configs/MPC8323ERDB.h
+++ b/include/configs/MPC8323ERDB.h
@@ -327,12 +327,6 @@
 #define CONFIG_SYS_LONGHELP			/* undef to save memory */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 
-#if (CONFIG_CMD_KGDB)
-	#define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-	#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 				/* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
diff --git a/include/configs/MPC832XEMDS.h b/include/configs/MPC832XEMDS.h
index a60f1b3..04f6b77 100644
--- a/include/configs/MPC832XEMDS.h
+++ b/include/configs/MPC832XEMDS.h
@@ -411,12 +411,6 @@
 #define CONFIG_SYS_LONGHELP	/* undef to save memory */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-	#define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-	#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 				/* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/MPC8349EMDS.h b/include/configs/MPC8349EMDS.h
index b984ea5..b65552a 100644
--- a/include/configs/MPC8349EMDS.h
+++ b/include/configs/MPC8349EMDS.h
@@ -470,12 +470,6 @@
 #define CONFIG_SYS_LONGHELP			/* undef to save memory */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-	#define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-	#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 				/* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/MPC8349ITX.h b/include/configs/MPC8349ITX.h
index fac4a22..07f0f22 100644
--- a/include/configs/MPC8349ITX.h
+++ b/include/configs/MPC8349ITX.h
@@ -493,12 +493,6 @@ boards, we say we have two, but don't display a message if we find only one. */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 #define CONFIG_LOADADDR	800000	/* default location for tftp and bootm */
 
-#if defined(CONFIG_CMD_KGDB)
-	#define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-	#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 				/* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/MPC837XEMDS.h b/include/configs/MPC837XEMDS.h
index badb233..580a050 100644
--- a/include/configs/MPC837XEMDS.h
+++ b/include/configs/MPC837XEMDS.h
@@ -482,12 +482,6 @@ extern int board_pci_host_broken(void);
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_SYS_LOAD_ADDR		0x2000000 /* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-	#define CONFIG_SYS_CBSIZE	1024 /* Console I/O Buffer Size */
-#else
-	#define CONFIG_SYS_CBSIZE	256 /* Console I/O Buffer Size */
-#endif
-
 				/* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/MPC837XERDB.h b/include/configs/MPC837XERDB.h
index 11bd0c3..3ca52de 100644
--- a/include/configs/MPC837XERDB.h
+++ b/include/configs/MPC837XERDB.h
@@ -496,12 +496,6 @@
 #define CONFIG_SYS_LONGHELP	/* undef to save memory */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000 /* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-	#define CONFIG_SYS_CBSIZE	1024 /* Console I/O Buffer Size */
-#else
-	#define CONFIG_SYS_CBSIZE	256 /* Console I/O Buffer Size */
-#endif
-
 				/* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/MPC8536DS.h b/include/configs/MPC8536DS.h
index da127d1..b57461a 100644
--- a/include/configs/MPC8536DS.h
+++ b/include/configs/MPC8536DS.h
@@ -603,11 +603,6 @@
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE \
 		+ sizeof(CONFIG_SYS_PROMPT) + 16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
diff --git a/include/configs/MPC8540ADS.h b/include/configs/MPC8540ADS.h
index e0ff8e1..ca4d3f8 100644
--- a/include/configs/MPC8540ADS.h
+++ b/include/configs/MPC8540ADS.h
@@ -324,12 +324,6 @@
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-    #define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-    #define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/MPC8541CDS.h b/include/configs/MPC8541CDS.h
index f13926f..bed9e46 100644
--- a/include/configs/MPC8541CDS.h
+++ b/include/configs/MPC8541CDS.h
@@ -347,11 +347,6 @@ extern unsigned long get_clock_freq(void);
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/MPC8544DS.h b/include/configs/MPC8544DS.h
index e8a6fdf..7876119 100644
--- a/include/configs/MPC8544DS.h
+++ b/include/configs/MPC8544DS.h
@@ -361,11 +361,6 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/MPC8548CDS.h b/include/configs/MPC8548CDS.h
index 20251fd..3d2506e 100644
--- a/include/configs/MPC8548CDS.h
+++ b/include/configs/MPC8548CDS.h
@@ -465,11 +465,6 @@ extern unsigned long get_clock_freq(void);
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/MPC8555CDS.h b/include/configs/MPC8555CDS.h
index 3db0caf..8e2e642 100644
--- a/include/configs/MPC8555CDS.h
+++ b/include/configs/MPC8555CDS.h
@@ -345,11 +345,6 @@ extern unsigned long get_clock_freq(void);
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/MPC8560ADS.h b/include/configs/MPC8560ADS.h
index c03e53f..7b896dd 100644
--- a/include/configs/MPC8560ADS.h
+++ b/include/configs/MPC8560ADS.h
@@ -359,12 +359,6 @@
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x1000000	/* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-    #define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-    #define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/MPC8568MDS.h b/include/configs/MPC8568MDS.h
index 9be25a9..dd8a84e 100644
--- a/include/configs/MPC8568MDS.h
+++ b/include/configs/MPC8568MDS.h
@@ -360,11 +360,6 @@ extern unsigned long get_clock_freq(void);
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256			/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/MPC8572DS.h b/include/configs/MPC8572DS.h
index 1959fa5..d0e8217 100644
--- a/include/configs/MPC8572DS.h
+++ b/include/configs/MPC8572DS.h
@@ -559,11 +559,6 @@
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/MPC8610HPCD.h b/include/configs/MPC8610HPCD.h
index 92db95a..e7e5e8f 100644
--- a/include/configs/MPC8610HPCD.h
+++ b/include/configs/MPC8610HPCD.h
@@ -434,12 +434,6 @@
 #define CONFIG_CMDLINE_EDITING          /* Command-line editing */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/MPC8641HPCN.h b/include/configs/MPC8641HPCN.h
index 94483b5..a0254f9 100644
--- a/include/configs/MPC8641HPCN.h
+++ b/include/configs/MPC8641HPCN.h
@@ -591,12 +591,6 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_CMDLINE_EDITING		/* Command-line editing */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-    #define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-    #define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/MigoR.h b/include/configs/MigoR.h
index 1c4eb1c..464ad46 100644
--- a/include/configs/MigoR.h
+++ b/include/configs/MigoR.h
@@ -26,7 +26,6 @@
 
 #define CONFIG_SYS_TEXT_BASE	0x8FFC0000
 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
-#define CONFIG_SYS_CBSIZE		256		/* Buffer size for input from the Console */
 #define CONFIG_SYS_PBSIZE		256		/* Buffer size for Console output */
 #define CONFIG_SYS_MAXARGS		16		/* max args accepted for monitor commands */
 #define CONFIG_SYS_BARGSIZE	512		/* Buffer size for Boot Arguments passed to kernel */
diff --git a/include/configs/P1010RDB.h b/include/configs/P1010RDB.h
index c19339b..15f1996 100644
--- a/include/configs/P1010RDB.h
+++ b/include/configs/P1010RDB.h
@@ -723,11 +723,6 @@ extern unsigned long get_sdram_size(void);
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 						/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
diff --git a/include/configs/P1022DS.h b/include/configs/P1022DS.h
index 8c83f2d..778346a 100644
--- a/include/configs/P1022DS.h
+++ b/include/configs/P1022DS.h
@@ -598,11 +598,6 @@
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS	16
diff --git a/include/configs/P1023RDB.h b/include/configs/P1023RDB.h
index 1e41035..4d77ed5 100644
--- a/include/configs/P1023RDB.h
+++ b/include/configs/P1023RDB.h
@@ -253,11 +253,6 @@ extern unsigned long get_clock_freq(void);
 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
 #define CONFIG_CMDLINE_EDITING		/* Command-line editing */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
diff --git a/include/configs/P2041RDB.h b/include/configs/P2041RDB.h
index 6469817..5ef274e 100644
--- a/include/configs/P2041RDB.h
+++ b/include/configs/P2041RDB.h
@@ -594,11 +594,6 @@ unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + \
 				sizeof(CONFIG_SYS_PROMPT)+16)
diff --git a/include/configs/T102xQDS.h b/include/configs/T102xQDS.h
index d58af7b..c1334c6 100644
--- a/include/configs/T102xQDS.h
+++ b/include/configs/T102xQDS.h
@@ -774,11 +774,6 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE  CONFIG_SYS_CBSIZE  /* Boot Argument Buffer Size */
diff --git a/include/configs/T102xRDB.h b/include/configs/T102xRDB.h
index c94b837..1b7d451 100644
--- a/include/configs/T102xRDB.h
+++ b/include/configs/T102xRDB.h
@@ -785,11 +785,6 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE  CONFIG_SYS_CBSIZE  /* Boot Argument Buffer Size */
diff --git a/include/configs/T1040QDS.h b/include/configs/T1040QDS.h
index 98cee8a..cd18b32 100644
--- a/include/configs/T1040QDS.h
+++ b/include/configs/T1040QDS.h
@@ -653,11 +653,6 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE/* Boot Argument Buffer Size */
diff --git a/include/configs/T104xRDB.h b/include/configs/T104xRDB.h
index a54e17c..ec6c9da 100644
--- a/include/configs/T104xRDB.h
+++ b/include/configs/T104xRDB.h
@@ -768,11 +768,6 @@ $(SRCTREE)/board/freescale/t104xrdb/t1042d4_sd_rcw.cfg
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE/* Boot Argument Buffer Size */
diff --git a/include/configs/T208xQDS.h b/include/configs/T208xQDS.h
index c1c3fa1..70f24f1 100644
--- a/include/configs/T208xQDS.h
+++ b/include/configs/T208xQDS.h
@@ -739,11 +739,6 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_CMDLINE_EDITING		/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE		/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000 /* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024	  /* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256	  /* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE/* Boot Argument Buffer Size */
diff --git a/include/configs/T208xRDB.h b/include/configs/T208xRDB.h
index 803d8fb..501b411 100644
--- a/include/configs/T208xRDB.h
+++ b/include/configs/T208xRDB.h
@@ -685,11 +685,6 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_CMDLINE_EDITING		/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE		/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000 /* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024	  /* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256	  /* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE/* Boot Argument Buffer Size */
diff --git a/include/configs/T4240RDB.h b/include/configs/T4240RDB.h
index fee8b8f..dc9718d 100644
--- a/include/configs/T4240RDB.h
+++ b/include/configs/T4240RDB.h
@@ -276,11 +276,6 @@
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE/* Boot Argument Buffer Size */
diff --git a/include/configs/TQM834x.h b/include/configs/TQM834x.h
index 45c54a0..930e061 100644
--- a/include/configs/TQM834x.h
+++ b/include/configs/TQM834x.h
@@ -273,12 +273,6 @@
 #define CONFIG_CMDLINE_EDITING	1	/* add command line history */
 #define CONFIG_AUTO_COMPLETE		/* add autocompletion support */
 
-#if defined(CONFIG_CMD_KGDB)
-	#define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-	#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 				/* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/UCP1020.h b/include/configs/UCP1020.h
index 293496b..c461b53 100644
--- a/include/configs/UCP1020.h
+++ b/include/configs/UCP1020.h
@@ -441,11 +441,6 @@
 #define CONFIG_SYS_LONGHELP			/* undef to save memory */
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/adp-ae3xx.h b/include/configs/adp-ae3xx.h
index cef1edd..66e98c9 100644
--- a/include/configs/adp-ae3xx.h
+++ b/include/configs/adp-ae3xx.h
@@ -100,7 +100,6 @@
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory */
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
 
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE	\
diff --git a/include/configs/adp-ag101p.h b/include/configs/adp-ag101p.h
index f966278..cffff46 100644
--- a/include/configs/adp-ag101p.h
+++ b/include/configs/adp-ag101p.h
@@ -106,7 +106,6 @@
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory */
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
 
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE	\
diff --git a/include/configs/amcore.h b/include/configs/amcore.h
index 0a40746..9be523b 100644
--- a/include/configs/amcore.h
+++ b/include/configs/amcore.h
@@ -33,12 +33,6 @@
 /* undef to save memory	*/
 #undef	CONFIG_SYS_LONGHELP
 
-#if defined(CONFIG_CMD_KGDB)
-/* Console I/O buff. size */
-#define CONFIG_SYS_CBSIZE		1024
-#else
-#define CONFIG_SYS_CBSIZE		256
-#endif
 /* Print buffer size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					 sizeof(CONFIG_SYS_PROMPT)+16)
diff --git a/include/configs/ap121.h b/include/configs/ap121.h
index 860f385..1db7ea6 100644
--- a/include/configs/ap121.h
+++ b/include/configs/ap121.h
@@ -43,7 +43,6 @@
 #define CONFIG_ENV_SIZE                 0x10000
 
 /* Miscellaneous configurable options */
-#define CONFIG_SYS_CBSIZE               256
 #define CONFIG_SYS_MAXARGS              16
 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE + \
 					sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/ap143.h b/include/configs/ap143.h
index 068007e..4475e62 100644
--- a/include/configs/ap143.h
+++ b/include/configs/ap143.h
@@ -47,7 +47,6 @@
 #define CONFIG_ENV_SIZE                 0x10000
 
 /* Miscellaneous configurable options */
-#define CONFIG_SYS_CBSIZE               256
 #define CONFIG_SYS_MAXARGS              16
 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE + \
 					sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/ap325rxa.h b/include/configs/ap325rxa.h
index 9c234fb..46a4f95 100644
--- a/include/configs/ap325rxa.h
+++ b/include/configs/ap325rxa.h
@@ -31,8 +31,6 @@
 /* undef to save memory	*/
 #define CONFIG_SYS_LONGHELP
 /* Monitor Command Prompt */
-/* Buffer size for input from the Console */
-#define CONFIG_SYS_CBSIZE		256
 /* Buffer size for Console output */
 #define CONFIG_SYS_PBSIZE		256
 /* max args accepted for monitor commands */
diff --git a/include/configs/ap_sh4a_4a.h b/include/configs/ap_sh4a_4a.h
index 0105a66..e5949b7 100644
--- a/include/configs/ap_sh4a_4a.h
+++ b/include/configs/ap_sh4a_4a.h
@@ -31,8 +31,6 @@
 /* undef to save memory	*/
 #define CONFIG_SYS_LONGHELP
 /* Monitor Command Prompt */
-/* Buffer size for input from the Console */
-#define CONFIG_SYS_CBSIZE		256
 /* Buffer size for Console output */
 #define CONFIG_SYS_PBSIZE		256
 /* max args accepted for monitor commands */
diff --git a/include/configs/armadillo-800eva.h b/include/configs/armadillo-800eva.h
index 7ed530e..862ed40 100644
--- a/include/configs/armadillo-800eva.h
+++ b/include/configs/armadillo-800eva.h
@@ -35,7 +35,6 @@
 #define ARMADILLO_800EVA_SDRAM_SIZE	(512 * 1024 * 1024)
 
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_PBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE		512
diff --git a/include/configs/aspeed-common.h b/include/configs/aspeed-common.h
index 2226b98..f1b0025 100644
--- a/include/configs/aspeed-common.h
+++ b/include/configs/aspeed-common.h
@@ -57,7 +57,6 @@
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
 
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE \
diff --git a/include/configs/astro_mcf5373l.h b/include/configs/astro_mcf5373l.h
index af03b30..ec2e2e7 100644
--- a/include/configs/astro_mcf5373l.h
+++ b/include/configs/astro_mcf5373l.h
@@ -178,11 +178,6 @@
 
 #define CONFIG_SYS_LONGHELP
 
-#if (CONFIG_COMMANDS & CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE		1024
-#else
-#define CONFIG_SYS_CBSIZE		256
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
diff --git a/include/configs/at91-sama5_common.h b/include/configs/at91-sama5_common.h
index 108842f..f8ee968 100644
--- a/include/configs/at91-sama5_common.h
+++ b/include/configs/at91-sama5_common.h
@@ -86,7 +86,6 @@
 
 #endif
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_CMDLINE_EDITING
diff --git a/include/configs/at91rm9200ek.h b/include/configs/at91rm9200ek.h
index cb6dae7..ca03f6b 100644
--- a/include/configs/at91rm9200ek.h
+++ b/include/configs/at91rm9200ek.h
@@ -174,7 +174,6 @@
 #define CONFIG_CMDLINE_EDITING
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE		\
diff --git a/include/configs/at91sam9260ek.h b/include/configs/at91sam9260ek.h
index 92add62..2add7d4 100644
--- a/include/configs/at91sam9260ek.h
+++ b/include/configs/at91sam9260ek.h
@@ -159,7 +159,6 @@
 	"fatload mmc 0:1 0x22000000 uImage; bootm"
 #endif
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_LONGHELP		1
 #define CONFIG_CMDLINE_EDITING	1
diff --git a/include/configs/at91sam9261ek.h b/include/configs/at91sam9261ek.h
index a6d3751..bf9e4aa 100644
--- a/include/configs/at91sam9261ek.h
+++ b/include/configs/at91sam9261ek.h
@@ -136,7 +136,6 @@
 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
 #endif
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_CMDLINE_EDITING
diff --git a/include/configs/at91sam9263ek.h b/include/configs/at91sam9263ek.h
index 24ff6b5..57da7ae 100644
--- a/include/configs/at91sam9263ek.h
+++ b/include/configs/at91sam9263ek.h
@@ -252,7 +252,6 @@
 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
 #endif
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_LONGHELP		1
 #define CONFIG_CMDLINE_EDITING		1
diff --git a/include/configs/at91sam9m10g45ek.h b/include/configs/at91sam9m10g45ek.h
index 2ce58e1..114dc43 100644
--- a/include/configs/at91sam9m10g45ek.h
+++ b/include/configs/at91sam9m10g45ek.h
@@ -100,7 +100,6 @@
 				"bootz 0x72000000 - 0x71000000"
 #endif
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_CMDLINE_EDITING
diff --git a/include/configs/at91sam9n12ek.h b/include/configs/at91sam9n12ek.h
index 089b865..83ae9b5 100644
--- a/include/configs/at91sam9n12ek.h
+++ b/include/configs/at91sam9n12ek.h
@@ -159,7 +159,6 @@
 
 #endif
 
-#define CONFIG_SYS_CBSIZE	256
 #define CONFIG_SYS_MAXARGS	16
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_CMDLINE_EDITING
diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h
index 2ed4ea8..6209899 100644
--- a/include/configs/at91sam9rlek.h
+++ b/include/configs/at91sam9rlek.h
@@ -107,7 +107,6 @@
 				"bootz 0x22000000 - 0x21000000"
 #endif
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_LONGHELP		1
 #define CONFIG_CMDLINE_EDITING		1
diff --git a/include/configs/at91sam9x5ek.h b/include/configs/at91sam9x5ek.h
index eeb2976..ff53e67 100644
--- a/include/configs/at91sam9x5ek.h
+++ b/include/configs/at91sam9x5ek.h
@@ -135,7 +135,6 @@
 #define CONFIG_ENV_SIZE		0x4000
 #endif
 
-#define CONFIG_SYS_CBSIZE	256
 #define CONFIG_SYS_MAXARGS	16
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_CMDLINE_EDITING
diff --git a/include/configs/axs10x.h b/include/configs/axs10x.h
index 8f516ea..f365054 100644
--- a/include/configs/axs10x.h
+++ b/include/configs/axs10x.h
@@ -81,7 +81,6 @@
  * Console configuration
  */
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		SZ_256
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 						sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/boston.h b/include/configs/boston.h
index 86dd043..d7fdb8c 100644
--- a/include/configs/boston.h
+++ b/include/configs/boston.h
@@ -45,7 +45,6 @@
  * Console
  */
 #define CONFIG_SYS_MAXARGS		16
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					 sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_LONGHELP
diff --git a/include/configs/cm_t35.h b/include/configs/cm_t35.h
index a94d55f..70880d1 100644
--- a/include/configs/cm_t35.h
+++ b/include/configs/cm_t35.h
@@ -175,7 +175,6 @@
 #define CONFIG_TIMESTAMP
 #define CONFIG_SYS_AUTOLOAD		"no"
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/cobra5272.h b/include/configs/cobra5272.h
index c44c6ca..ee33b47 100644
--- a/include/configs/cobra5272.h
+++ b/include/configs/cobra5272.h
@@ -169,11 +169,6 @@ from which user programs will be started */
 
 #define CONFIG_SYS_LONGHELP				/* undef to save memory		*/
 
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE		1024		/* Console I/O Buffer Size	*/
-#else
-#define CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size	*/
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS		16		/* max number of command args	*/
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/
diff --git a/include/configs/colibri_pxa270.h b/include/configs/colibri_pxa270.h
index 326fece..d5255e7 100644
--- a/include/configs/colibri_pxa270.h
+++ b/include/configs/colibri_pxa270.h
@@ -84,7 +84,6 @@
 #endif
 
 #undef	CONFIG_SYS_LONGHELP		/* Saves 10 KB */
-#define	CONFIG_SYS_CBSIZE		256
 #define	CONFIG_SYS_PBSIZE		\
 	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define	CONFIG_SYS_MAXARGS		16
diff --git a/include/configs/controlcenterd.h b/include/configs/controlcenterd.h
index 52be713..7a07d5c 100644
--- a/include/configs/controlcenterd.h
+++ b/include/configs/controlcenterd.h
@@ -322,11 +322,6 @@
 #endif /* CONFIG_TRAILBLAZER */
 
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS	16
diff --git a/include/configs/corenet_ds.h b/include/configs/corenet_ds.h
index 1d4524e..f4f0d74 100644
--- a/include/configs/corenet_ds.h
+++ b/include/configs/corenet_ds.h
@@ -603,11 +603,6 @@
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/corvus.h b/include/configs/corvus.h
index e47f06b..2088695 100644
--- a/include/configs/corvus.h
+++ b/include/configs/corvus.h
@@ -106,7 +106,6 @@
 	"nand read 0x70000000 0x200000 0x300000;"			\
 	"bootm 0x70000000"
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE +	\
 				 sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/cyrus.h b/include/configs/cyrus.h
index 5289586..48240c9 100644
--- a/include/configs/cyrus.h
+++ b/include/configs/cyrus.h
@@ -430,11 +430,6 @@
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/dbau1x00.h b/include/configs/dbau1x00.h
index ce91f10..0360bf9 100644
--- a/include/configs/dbau1x00.h
+++ b/include/configs/dbau1x00.h
@@ -71,7 +71,6 @@
  */
 #define	CONFIG_SYS_LONGHELP				/* undef to save memory      */
 
-#define	CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size   */
 #define	CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)  /* Print Buffer Size */
 #define	CONFIG_SYS_MAXARGS		16		/* max number of command args*/
 
diff --git a/include/configs/ecovec.h b/include/configs/ecovec.h
index 86fcea1..1b697e8 100644
--- a/include/configs/ecovec.h
+++ b/include/configs/ecovec.h
@@ -64,8 +64,6 @@
 /* undef to save memory	*/
 #define CONFIG_SYS_LONGHELP
 /* Monitor Command Prompt */
-/* Buffer size for input from the Console */
-#define CONFIG_SYS_CBSIZE		256
 /* Buffer size for Console output */
 #define CONFIG_SYS_PBSIZE		256
 /* max args accepted for monitor commands */
diff --git a/include/configs/espt.h b/include/configs/espt.h
index 778e672..2d18018 100644
--- a/include/configs/espt.h
+++ b/include/configs/espt.h
@@ -24,7 +24,6 @@
 
 #define CONFIG_SYS_TEXT_BASE	0x8FFC0000
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
-#define CONFIG_SYS_CBSIZE		256	/* Buffer size for input from the Console */
 #define CONFIG_SYS_PBSIZE		256	/* Buffer size for Console output */
 #define CONFIG_SYS_MAXARGS		16	/* max args accepted for monitor commands */
 #define CONFIG_SYS_BARGSIZE	512	/* Buffer size for Boot Arguments
diff --git a/include/configs/ethernut5.h b/include/configs/ethernut5.h
index ecd35e9..430acc0 100644
--- a/include/configs/ethernut5.h
+++ b/include/configs/ethernut5.h
@@ -166,7 +166,6 @@
 				"bootm 0x22000000"
 
 /* Misc. u-boot settings */
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + 16 \
 					+ sizeof(CONFIG_SYS_PROMPT))
diff --git a/include/configs/h2200.h b/include/configs/h2200.h
index def9e21..9d2e9e8 100644
--- a/include/configs/h2200.h
+++ b/include/configs/h2200.h
@@ -114,9 +114,6 @@
 
 /* Monitor Command Prompt */
 
-/* Console I/O Buffer Size */
-#define CONFIG_SYS_CBSIZE		256
-
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/hsdk.h b/include/configs/hsdk.h
index 3a90eea..8062d01 100644
--- a/include/configs/hsdk.h
+++ b/include/configs/hsdk.h
@@ -74,7 +74,6 @@
 #define CONFIG_CMDLINE_EDITING
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_SYS_MAXARGS		16
-#define CONFIG_SYS_CBSIZE		SZ_256
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 						sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/imx31_phycore.h b/include/configs/imx31_phycore.h
index 0a8501bd..13d874d 100644
--- a/include/configs/imx31_phycore.h
+++ b/include/configs/imx31_phycore.h
@@ -93,8 +93,6 @@
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
-/* Console I/O Buffer Size */
-#define CONFIG_SYS_CBSIZE		256
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					 sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/integrator-common.h b/include/configs/integrator-common.h
index dca60df..cd91741 100644
--- a/include/configs/integrator-common.h
+++ b/include/configs/integrator-common.h
@@ -13,7 +13,6 @@
 #define CONFIG_SYS_TIMERBASE		0x13000100	/* Timer1 */
 #define CONFIG_SYS_LOAD_ADDR		0x7fc0	/* default load address */
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size*/
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size*/
diff --git a/include/configs/kzm9g.h b/include/configs/kzm9g.h
index 4daeb49..fc92145 100644
--- a/include/configs/kzm9g.h
+++ b/include/configs/kzm9g.h
@@ -40,7 +40,6 @@
 
 /* prompt */
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_PBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE		512
diff --git a/include/configs/ls1021aiot.h b/include/configs/ls1021aiot.h
index 6ef7d63..c203945 100644
--- a/include/configs/ls1021aiot.h
+++ b/include/configs/ls1021aiot.h
@@ -246,7 +246,6 @@
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
 #define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE		\
 	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/ls1021aqds.h b/include/configs/ls1021aqds.h
index b934d10..390a1b7 100644
--- a/include/configs/ls1021aqds.h
+++ b/include/configs/ls1021aqds.h
@@ -512,7 +512,6 @@ unsigned long get_board_ddr_clk(void);
  */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE		\
 		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
diff --git a/include/configs/ls1021atwr.h b/include/configs/ls1021atwr.h
index 0fecd54..b528bb5 100644
--- a/include/configs/ls1021atwr.h
+++ b/include/configs/ls1021atwr.h
@@ -489,7 +489,6 @@
  */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE		\
 		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
diff --git a/include/configs/malta.h b/include/configs/malta.h
index b0b9664..54edb23 100644
--- a/include/configs/malta.h
+++ b/include/configs/malta.h
@@ -52,7 +52,6 @@
 #define CONFIG_SYS_BOOTPARAMS_LEN	(128 * 1024)
 #define CONFIG_SYS_BOOTM_LEN		(64 * 1024 * 1024)
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					 sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS		16
diff --git a/include/configs/mpr2.h b/include/configs/mpr2.h
index edaca0e..28da200 100644
--- a/include/configs/mpr2.h
+++ b/include/configs/mpr2.h
@@ -24,7 +24,6 @@
 
 /* U-Boot internals */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
-#define CONFIG_SYS_CBSIZE		256	/* Buffer size for input from the Console */
 #define CONFIG_SYS_PBSIZE		256	/* Buffer size for Console output */
 #define CONFIG_SYS_MAXARGS		16	/* max args accepted for monitor commands */
 #define CONFIG_SYS_BARGSIZE		512	/* Buffer size for Boot Arguments passed to kernel */
diff --git a/include/configs/ms7720se.h b/include/configs/ms7720se.h
index cc3217b..08adb0b 100644
--- a/include/configs/ms7720se.h
+++ b/include/configs/ms7720se.h
@@ -25,7 +25,6 @@
 
 #define CONFIG_SYS_TEXT_BASE	0x8FFC0000
 #define CONFIG_SYS_LONGHELP		/* undef to save memory	*/
-#define CONFIG_SYS_CBSIZE	256	/* Buffer size for input from the Console */
 #define CONFIG_SYS_PBSIZE	256	/* Buffer size for Console output */
 #define CONFIG_SYS_MAXARGS	16	/* max args accepted for monitor commands */
 /* Buffer size for Boot Arguments passed to kernel */
diff --git a/include/configs/ms7722se.h b/include/configs/ms7722se.h
index 2fec968..a7f2ca8 100644
--- a/include/configs/ms7722se.h
+++ b/include/configs/ms7722se.h
@@ -26,7 +26,6 @@
 
 #define CONFIG_SYS_TEXT_BASE	0x8FFC0000
 #define CONFIG_SYS_LONGHELP				/* undef to save memory	*/
-#define CONFIG_SYS_CBSIZE		256		/* Buffer size for input from the Console */
 #define CONFIG_SYS_PBSIZE		256		/* Buffer size for Console output */
 #define CONFIG_SYS_MAXARGS		16		/* max args accepted for monitor commands */
 #define CONFIG_SYS_BARGSIZE		512		/* Buffer size for Boot Arguments passed to kernel */
diff --git a/include/configs/ms7750se.h b/include/configs/ms7750se.h
index 5410cbb..a875a70 100644
--- a/include/configs/ms7750se.h
+++ b/include/configs/ms7750se.h
@@ -29,7 +29,6 @@
 #define CONFIG_SYS_SDRAM_SIZE		(64 * 1024 * 1024)
 
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_PBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE		512
diff --git a/include/configs/mx31ads.h b/include/configs/mx31ads.h
index 80b6e16..61f069e 100644
--- a/include/configs/mx31ads.h
+++ b/include/configs/mx31ads.h
@@ -95,7 +95,6 @@
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
-#define CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size */
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS		16		/* max number of command args */
diff --git a/include/configs/mx31pdk.h b/include/configs/mx31pdk.h
index 2bb24a1..4e0ccc9 100644
--- a/include/configs/mx31pdk.h
+++ b/include/configs/mx31pdk.h
@@ -87,7 +87,6 @@
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP	/* undef to save memory */
-#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
 /* max number of command args */
 #define CONFIG_SYS_MAXARGS	16
 /* Boot Argument Buffer Size */
diff --git a/include/configs/mx35pdk.h b/include/configs/mx35pdk.h
index 526f794..659effb 100644
--- a/include/configs/mx35pdk.h
+++ b/include/configs/mx35pdk.h
@@ -110,7 +110,6 @@
 #define CONFIG_CMDLINE_EDITING
 
 #define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
 
diff --git a/include/configs/mx51evk.h b/include/configs/mx51evk.h
index 5daa50d..3692f54 100644
--- a/include/configs/mx51evk.h
+++ b/include/configs/mx51evk.h
@@ -175,7 +175,6 @@
  */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
 
diff --git a/include/configs/mx53ard.h b/include/configs/mx53ard.h
index 1f1c45e..50152a9 100644
--- a/include/configs/mx53ard.h
+++ b/include/configs/mx53ard.h
@@ -161,7 +161,6 @@
 /* Miscellaneous configurable options */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/mx53evk.h b/include/configs/mx53evk.h
index 11d1278..1b17673 100644
--- a/include/configs/mx53evk.h
+++ b/include/configs/mx53evk.h
@@ -108,7 +108,6 @@
 /* Miscellaneous configurable options */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/mx53smd.h b/include/configs/mx53smd.h
index 2990e16..151935d 100644
--- a/include/configs/mx53smd.h
+++ b/include/configs/mx53smd.h
@@ -100,7 +100,6 @@
 /* Miscellaneous configurable options */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/nokia_rx51.h b/include/configs/nokia_rx51.h
index a072708..57a2c90 100644
--- a/include/configs/nokia_rx51.h
+++ b/include/configs/nokia_rx51.h
@@ -331,7 +331,6 @@ int rx51_kp_getc(struct stdio_dev *sdev);
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory */
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 						sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/nsim.h b/include/configs/nsim.h
index b51ac6e..f670241 100644
--- a/include/configs/nsim.h
+++ b/include/configs/nsim.h
@@ -55,7 +55,6 @@
  * Console configuration
  */
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		SZ_256
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 						sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/p1_p2_rdb_pc.h b/include/configs/p1_p2_rdb_pc.h
index 81e7fa4..6050ef5 100644
--- a/include/configs/p1_p2_rdb_pc.h
+++ b/include/configs/p1_p2_rdb_pc.h
@@ -825,11 +825,6 @@
 #define CONFIG_SYS_LONGHELP			/* undef to save memory */
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/p1_twr.h b/include/configs/p1_twr.h
index 459086e..6cf2257 100644
--- a/include/configs/p1_twr.h
+++ b/include/configs/p1_twr.h
@@ -397,11 +397,6 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_SYS_LONGHELP			/* undef to save memory */
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/pb1x00.h b/include/configs/pb1x00.h
index 369e82f..ba9c998 100644
--- a/include/configs/pb1x00.h
+++ b/include/configs/pb1x00.h
@@ -45,7 +45,6 @@
  * Miscellaneous configurable options
  */
 #define	CONFIG_SYS_LONGHELP				/* undef to save memory      */
-#define	CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size   */
 #define	CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)  /* Print Buffer Size */
 #define	CONFIG_SYS_MAXARGS		16		/* max number of command args*/
 
diff --git a/include/configs/pcm052.h b/include/configs/pcm052.h
index b4b60ac..b078d88 100644
--- a/include/configs/pcm052.h
+++ b/include/configs/pcm052.h
@@ -203,7 +203,6 @@
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_AUTO_COMPLETE
 #define CONFIG_CMDLINE_EDITING
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE		\
 			(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
diff --git a/include/configs/picosam9g45.h b/include/configs/picosam9g45.h
index 3998eda..2c98977 100644
--- a/include/configs/picosam9g45.h
+++ b/include/configs/picosam9g45.h
@@ -111,7 +111,6 @@
 				"bootz 0x22000000 - 0x21000000"
 #endif
 
-#define CONFIG_SYS_CBSIZE	256
 #define CONFIG_SYS_MAXARGS	16
 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE  \
 					+ sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/pm9261.h b/include/configs/pm9261.h
index 38668de..221dd74 100644
--- a/include/configs/pm9261.h
+++ b/include/configs/pm9261.h
@@ -278,7 +278,6 @@
 #error "Undefined memory device"
 #endif
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_PBSIZE		\
 		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/pm9263.h b/include/configs/pm9263.h
index 667d68f..7708122 100644
--- a/include/configs/pm9263.h
+++ b/include/configs/pm9263.h
@@ -309,7 +309,6 @@
 #error "Undefined memory device"
 #endif
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_PBSIZE		\
 		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/pm9g45.h b/include/configs/pm9g45.h
index 4f7bb0d..6247ced 100644
--- a/include/configs/pm9g45.h
+++ b/include/configs/pm9g45.h
@@ -119,7 +119,6 @@
 #define CONFIG_ENV_SIZE			0x20000		/* 1 sector = 128 kB */
 #define CONFIG_BOOTCOMMAND	"nand read 0x72000000 0x200000 0x200000; bootm"
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/qemu-mips.h b/include/configs/qemu-mips.h
index 1151da5..ee6853a 100644
--- a/include/configs/qemu-mips.h
+++ b/include/configs/qemu-mips.h
@@ -70,8 +70,6 @@
 #define CONFIG_AUTO_COMPLETE
 #define CONFIG_CMDLINE_EDITING
 
-/* Console I/O Buffer Size */
-#define CONFIG_SYS_CBSIZE		256
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 /* max number of command args */
diff --git a/include/configs/qemu-mips64.h b/include/configs/qemu-mips64.h
index 97fd24e..b44b823 100644
--- a/include/configs/qemu-mips64.h
+++ b/include/configs/qemu-mips64.h
@@ -70,8 +70,6 @@
 #define CONFIG_AUTO_COMPLETE
 #define CONFIG_CMDLINE_EDITING
 
-/* Console I/O Buffer Size */
-#define CONFIG_SYS_CBSIZE		256
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 /* max number of command args */
diff --git a/include/configs/qemu-ppce500.h b/include/configs/qemu-ppce500.h
index e0cc873..6f061b5 100644
--- a/include/configs/qemu-ppce500.h
+++ b/include/configs/qemu-ppce500.h
@@ -131,7 +131,6 @@ extern unsigned long long get_phys_ccsrbar_addr_early(void);
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE/* Boot Argument Buffer Size */
diff --git a/include/configs/r0p7734.h b/include/configs/r0p7734.h
index e39fee0..9e6b10a 100644
--- a/include/configs/r0p7734.h
+++ b/include/configs/r0p7734.h
@@ -37,8 +37,6 @@
 /* undef to save memory	*/
 #define CONFIG_SYS_LONGHELP
 /* Monitor Command Prompt */
-/* Buffer size for input from the Console */
-#define CONFIG_SYS_CBSIZE		256
 /* Buffer size for Console output */
 #define CONFIG_SYS_PBSIZE		256
 /* max args accepted for monitor commands */
diff --git a/include/configs/r2dplus.h b/include/configs/r2dplus.h
index 19eb733..8bddb4e 100644
--- a/include/configs/r2dplus.h
+++ b/include/configs/r2dplus.h
@@ -19,7 +19,6 @@
 
 #define CONFIG_SYS_TEXT_BASE		0x8FE00000
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_PBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE		512
diff --git a/include/configs/r7780mp.h b/include/configs/r7780mp.h
index 4f40df9..951cfca 100644
--- a/include/configs/r7780mp.h
+++ b/include/configs/r7780mp.h
@@ -26,7 +26,6 @@
 #define CONFIG_SYS_SDRAM_SIZE		(128 * 1024 * 1024)
 
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_PBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE	512
diff --git a/include/configs/rcar-gen2-common.h b/include/configs/rcar-gen2-common.h
index 89ddd00..68e3a23 100644
--- a/include/configs/rcar-gen2-common.h
+++ b/include/configs/rcar-gen2-common.h
@@ -31,7 +31,6 @@
 /* console */
 
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_PBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE		512
diff --git a/include/configs/rsk7203.h b/include/configs/rsk7203.h
index a478cc8..c90d3f2 100644
--- a/include/configs/rsk7203.h
+++ b/include/configs/rsk7203.h
@@ -25,7 +25,6 @@
 
 #define CONFIG_SYS_TEXT_BASE	0x0C7C0000
 #define CONFIG_SYS_LONGHELP		/* undef to save memory	*/
-#define CONFIG_SYS_CBSIZE	256	/* Buffer size for input from the Console */
 #define CONFIG_SYS_PBSIZE	256	/* Buffer size for Console output */
 #define CONFIG_SYS_MAXARGS	16	/* max args accepted for monitor commands */
 /* Buffer size for Boot Arguments passed to kernel */
diff --git a/include/configs/rsk7264.h b/include/configs/rsk7264.h
index 5feaedc..b958e21 100644
--- a/include/configs/rsk7264.h
+++ b/include/configs/rsk7264.h
@@ -19,7 +19,6 @@
 #define CONFIG_SYS_BAUDRATE_TABLE	{ CONFIG_BAUDRATE }
 
 #define CONFIG_SYS_LONGHELP	1	/* undef to save memory	*/
-#define CONFIG_SYS_CBSIZE	256	/* Buffer size for input from the Console */
 #define CONFIG_SYS_PBSIZE	256	/* Buffer size for Console output */
 #define CONFIG_SYS_MAXARGS	16	/* max args accepted for monitor commands */
 
diff --git a/include/configs/rsk7269.h b/include/configs/rsk7269.h
index 76e33c5..8fc6083 100644
--- a/include/configs/rsk7269.h
+++ b/include/configs/rsk7269.h
@@ -18,7 +18,6 @@
 #define CONFIG_SYS_BAUDRATE_TABLE	{ CONFIG_BAUDRATE }
 
 #define CONFIG_SYS_LONGHELP		/* undef to save memory	*/
-#define CONFIG_SYS_CBSIZE	256	/* Boot Argument Buffer Size */
 #define CONFIG_SYS_PBSIZE	256	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
 
diff --git a/include/configs/s32v234evb.h b/include/configs/s32v234evb.h
index 4cfcd5a..e1f2cb3 100644
--- a/include/configs/s32v234evb.h
+++ b/include/configs/s32v234evb.h
@@ -164,7 +164,6 @@
 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
 #define CONFIG_SYS_PROMPT		"=> "
 #undef CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE		\
 			(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
diff --git a/include/configs/s5p_goni.h b/include/configs/s5p_goni.h
index 11d2443..448e923 100644
--- a/include/configs/s5p_goni.h
+++ b/include/configs/s5p_goni.h
@@ -168,7 +168,6 @@
 	"dfu_alt_info=" CONFIG_DFU_ALT "\0"
 
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
-#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE	384	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
 /* Boot Argument Buffer Size */
diff --git a/include/configs/sbc8349.h b/include/configs/sbc8349.h
index 6de9d20..1539324 100644
--- a/include/configs/sbc8349.h
+++ b/include/configs/sbc8349.h
@@ -406,12 +406,6 @@
 #define CONFIG_SYS_LONGHELP			/* undef to save memory */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-	#define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-	#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 				/* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/sbc8548.h b/include/configs/sbc8548.h
index cbd2f75..51d6d66 100644
--- a/include/configs/sbc8548.h
+++ b/include/configs/sbc8548.h
@@ -515,11 +515,6 @@
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/sbc8641d.h b/include/configs/sbc8641d.h
index 8f12de7..ddf1382 100644
--- a/include/configs/sbc8641d.h
+++ b/include/configs/sbc8641d.h
@@ -459,12 +459,6 @@
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 #define CONFIG_CMDLINE_EDITING	1		/* add command line history */
 
-#if defined(CONFIG_CMD_KGDB)
-    #define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-    #define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/sh7752evb.h b/include/configs/sh7752evb.h
index 8db1ac4..e70b9cd 100644
--- a/include/configs/sh7752evb.h
+++ b/include/configs/sh7752evb.h
@@ -24,7 +24,6 @@
 #define SH7752EVB_SDRAM_SIZE		(512 * 1024 * 1024)
 
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_PBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE		512
diff --git a/include/configs/sh7753evb.h b/include/configs/sh7753evb.h
index 4eb8ffb..2a29cb9 100644
--- a/include/configs/sh7753evb.h
+++ b/include/configs/sh7753evb.h
@@ -24,7 +24,6 @@
 #define SH7753EVB_SDRAM_SIZE		(512 * 1024 * 1024)
 
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_PBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE		512
diff --git a/include/configs/sh7757lcr.h b/include/configs/sh7757lcr.h
index fe65fbd..566f7ae 100644
--- a/include/configs/sh7757lcr.h
+++ b/include/configs/sh7757lcr.h
@@ -25,7 +25,6 @@
 #define SH7757LCR_SDRAM_DVC_SIZE	(16 * 1024 * 1024)
 
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_PBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE		512
diff --git a/include/configs/sh7763rdp.h b/include/configs/sh7763rdp.h
index acb9f3c..7501e03 100644
--- a/include/configs/sh7763rdp.h
+++ b/include/configs/sh7763rdp.h
@@ -24,7 +24,6 @@
 
 #define CONFIG_SYS_TEXT_BASE	0x8FFC0000
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
-#define CONFIG_SYS_CBSIZE		256	/* Buffer size for input from the Console */
 #define CONFIG_SYS_PBSIZE		256	/* Buffer size for Console output */
 #define CONFIG_SYS_MAXARGS		16	/* max args accepted for monitor commands */
 #define CONFIG_SYS_BARGSIZE	512	/* Buffer size for Boot Arguments
diff --git a/include/configs/sh7785lcr.h b/include/configs/sh7785lcr.h
index 7c8707c..0e57355 100644
--- a/include/configs/sh7785lcr.h
+++ b/include/configs/sh7785lcr.h
@@ -40,7 +40,6 @@
 #endif
 
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_PBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_BARGSIZE		512
diff --git a/include/configs/shmin.h b/include/configs/shmin.h
index 3755eba..0673e12 100644
--- a/include/configs/shmin.h
+++ b/include/configs/shmin.h
@@ -28,7 +28,6 @@
 
 #define CONFIG_SYS_TEXT_BASE	0x8DFB0000
 #define CONFIG_SYS_LONGHELP		/* undef to save memory	*/
-#define CONFIG_SYS_CBSIZE	256	/* Buffer size for input from the Console */
 #define CONFIG_SYS_PBSIZE	256	/* Buffer size for Console output */
 #define CONFIG_SYS_MAXARGS	16	/* max args accepted for monitor commands */
 /* Buffer size for Boot Arguments passed to kernel */
diff --git a/include/configs/smdkc100.h b/include/configs/smdkc100.h
index 0a9c638..5bf557c 100644
--- a/include/configs/smdkc100.h
+++ b/include/configs/smdkc100.h
@@ -128,7 +128,6 @@
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
-#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE	384	/* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
 /* Boot Argument Buffer Size */
diff --git a/include/configs/snapper9260.h b/include/configs/snapper9260.h
index 153f68e..88b9581 100644
--- a/include/configs/snapper9260.h
+++ b/include/configs/snapper9260.h
@@ -124,7 +124,6 @@
 #define CONFIG_ENV_OVERWRITE
 
 /* Console settings */
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE +		\
 					 sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/snapper9g45.h b/include/configs/snapper9g45.h
index 91a681a..521a7f5 100644
--- a/include/configs/snapper9g45.h
+++ b/include/configs/snapper9g45.h
@@ -110,7 +110,6 @@
 	"altbootcmd=run boot_mmc ; run boot_usb ; run boot_safe ; run boot_working\0"
 
 /* Console settings */
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE +		\
 					 sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/socrates.h b/include/configs/socrates.h
index 94287c1..3c3f042 100644
--- a/include/configs/socrates.h
+++ b/include/configs/socrates.h
@@ -281,12 +281,6 @@
 #define CONFIG_SYS_LONGHELP			/* undef to save memory		*/
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address		*/
 
-#if defined(CONFIG_CMD_KGDB)
-    #define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size	*/
-#else
-    #define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size	*/
-#endif
-
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buf Size	*/
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args	*/
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/
diff --git a/include/configs/spear-common.h b/include/configs/spear-common.h
index 0603db5..09251f6 100644
--- a/include/configs/spear-common.h
+++ b/include/configs/spear-common.h
@@ -168,7 +168,6 @@
 #define CONFIG_SYS_MALLOC_LEN			(1024*1024)
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_CMDLINE_EDITING
-#define CONFIG_SYS_CBSIZE			256
 #define CONFIG_SYS_PBSIZE			(CONFIG_SYS_CBSIZE + \
 						sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS			16
diff --git a/include/configs/t4qds.h b/include/configs/t4qds.h
index bd98cc6..6ef5605 100644
--- a/include/configs/t4qds.h
+++ b/include/configs/t4qds.h
@@ -245,11 +245,6 @@
 #define CONFIG_CMDLINE_EDITING			/* Command-line editing */
 #define CONFIG_AUTO_COMPLETE			/* add autocompletion support */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */
-#else
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
-#endif
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE/* Boot Argument Buffer Size */
diff --git a/include/configs/tao3530.h b/include/configs/tao3530.h
index d47dc8b..1c9f68d 100644
--- a/include/configs/tao3530.h
+++ b/include/configs/tao3530.h
@@ -148,7 +148,6 @@
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 
 /* turn on command-line edit/hist/auto */
 #define CONFIG_CMDLINE_EDITING
diff --git a/include/configs/taurus.h b/include/configs/taurus.h
index 55f47f8..f479cad 100644
--- a/include/configs/taurus.h
+++ b/include/configs/taurus.h
@@ -143,7 +143,6 @@
 #define CONFIG_ENV_SIZE		(SZ_128K)	/* 1 sector = 128 kB */
 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_PBSIZE \
 	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/tb100.h b/include/configs/tb100.h
index 09d5718..699c18a 100644
--- a/include/configs/tb100.h
+++ b/include/configs/tb100.h
@@ -73,7 +73,6 @@
  * Console configuration
  */
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 						sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/ts4800.h b/include/configs/ts4800.h
index 0219376..14cf26b 100644
--- a/include/configs/ts4800.h
+++ b/include/configs/ts4800.h
@@ -122,7 +122,6 @@
  */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/usb_a9263.h b/include/configs/usb_a9263.h
index 753d821..787f0ac 100644
--- a/include/configs/usb_a9263.h
+++ b/include/configs/usb_a9263.h
@@ -98,7 +98,6 @@
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"mtdparts=" MTDPARTS_DEFAULT "\0" \
 
-#define CONFIG_SYS_CBSIZE		256
 #define CONFIG_SYS_MAXARGS		16
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					 sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/vf610twr.h b/include/configs/vf610twr.h
index 6aaa4d1..df445d2 100644
--- a/include/configs/vf610twr.h
+++ b/include/configs/vf610twr.h
@@ -189,7 +189,6 @@
 /* Miscellaneous configurable options */
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #undef CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE		\
 			(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
diff --git a/include/configs/vme8349.h b/include/configs/vme8349.h
index 23dc884..693f770 100644
--- a/include/configs/vme8349.h
+++ b/include/configs/vme8349.h
@@ -355,12 +355,6 @@
 #define CONFIG_SYS_LONGHELP			/* undef to save memory */
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
 
-#if defined(CONFIG_CMD_KGDB)
-	#define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
-#else
-	#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
-#endif
-
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS	16		/* max num of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE /* Boot Argument Buf Size */
diff --git a/include/configs/woodburn_common.h b/include/configs/woodburn_common.h
index f3eba9c..f680df1 100644
--- a/include/configs/woodburn_common.h
+++ b/include/configs/woodburn_common.h
@@ -102,7 +102,6 @@
 #define CONFIG_CMDLINE_EDITING
 
 #define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE	256	/* Console I/O Buffer Size */
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
diff --git a/include/configs/x600.h b/include/configs/x600.h
index 1255edd..43a6c65 100644
--- a/include/configs/x600.h
+++ b/include/configs/x600.h
@@ -126,7 +126,6 @@
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_CMDLINE_EDITING
 #define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE			256
 #define CONFIG_SYS_PBSIZE			(CONFIG_SYS_CBSIZE + \
 						 sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS			16
diff --git a/include/configs/xpedite517x.h b/include/configs/xpedite517x.h
index c4cd749..09c09d1 100644
--- a/include/configs/xpedite517x.h
+++ b/include/configs/xpedite517x.h
@@ -485,7 +485,6 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
  */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/xpedite520x.h b/include/configs/xpedite520x.h
index 8fb0541..76c24a4 100644
--- a/include/configs/xpedite520x.h
+++ b/include/configs/xpedite520x.h
@@ -288,7 +288,6 @@
  */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/xpedite537x.h b/include/configs/xpedite537x.h
index 85faaf0..2657e81 100644
--- a/include/configs/xpedite537x.h
+++ b/include/configs/xpedite537x.h
@@ -338,7 +338,6 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
  */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/xpedite550x.h b/include/configs/xpedite550x.h
index 033537c..b4546d0 100644
--- a/include/configs/xpedite550x.h
+++ b/include/configs/xpedite550x.h
@@ -337,7 +337,6 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
  */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
-#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 #define CONFIG_SYS_MAXARGS	16		/* max number of command args */
 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/zipitz2.h b/include/configs/zipitz2.h
index 5279f54..87f3a4c 100644
--- a/include/configs/zipitz2.h
+++ b/include/configs/zipitz2.h
@@ -80,7 +80,6 @@ unsigned char zipitz2_spi_read(void);
 #endif
 
 #define	CONFIG_SYS_LONGHELP				/* undef to save memory	*/
-#define	CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size */
 #define	CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
 #define	CONFIG_SYS_MAXARGS		16		/* max number of command args */
 #define	CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
diff --git a/include/configs/zmx25.h b/include/configs/zmx25.h
index 21a78c4..463f0de 100644
--- a/include/configs/zmx25.h
+++ b/include/configs/zmx25.h
@@ -117,7 +117,6 @@
 #define CONFIG_SYS_MEMTEST_START	(PHYS_SDRAM + (512*1024))
 #define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM + PHYS_SDRAM_SIZE)
 
-#define CONFIG_SYS_CBSIZE	256
 #define CONFIG_SYS_MAXARGS	16
 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + \
 				sizeof(CONFIG_SYS_PROMPT) + 16)
diff --git a/include/configs/zynq-common.h b/include/configs/zynq-common.h
index 6359587..cea07e2 100644
--- a/include/configs/zynq-common.h
+++ b/include/configs/zynq-common.h
@@ -276,7 +276,6 @@
 #define CONFIG_SYS_LONGHELP
 #define CONFIG_CLOCKS
 #define CONFIG_SYS_MAXARGS		32 /* max number of command args */
-#define CONFIG_SYS_CBSIZE		256 /* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					sizeof(CONFIG_SYS_PROMPT) + 16)
 
