diff --git a/board/rockchip/evb_rk3588/Makefile b/board/rockchip/evb_rk3588/Makefile
deleted file mode 100644
index 240d2ec597e..00000000000
--- a/board/rockchip/evb_rk3588/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# SPDX-License-Identifier:     GPL-2.0+
-#
-# Copyright (c) 2023 Rockchip Electronics Co,. Ltd.
-#
-
-obj-y += evb-rk3588.o
diff --git a/board/rockchip/evb_rk3588/evb-rk3588.c b/board/rockchip/evb_rk3588/evb-rk3588.c
deleted file mode 100644
index caf94d8d29c..00000000000
--- a/board/rockchip/evb_rk3588/evb-rk3588.c
+++ /dev/null
@@ -1,39 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (c) 2023 Rockchip Electronics Co,. Ltd.
- */
-
-#include <fdtdec.h>
-#include <fdt_support.h>
-
-#ifdef CONFIG_OF_BOARD_SETUP
-static int rk3588_add_reserved_memory_fdt_nodes(void *new_blob)
-{
-	struct fdt_memory gap1 = {
-		.start = 0x3fc000000,
-		.end = 0x3fc4fffff,
-	};
-	struct fdt_memory gap2 = {
-		.start = 0x3fff00000,
-		.end = 0x3ffffffff,
-	};
-	unsigned long flags = FDTDEC_RESERVED_MEMORY_NO_MAP;
-	unsigned int ret;
-
-	/*
-	 * Inject the reserved-memory nodes into the DTS
-	 */
-	ret = fdtdec_add_reserved_memory(new_blob, "gap1", &gap1,  NULL, 0,
-					 NULL, flags);
-	if (ret)
-		return ret;
-
-	return fdtdec_add_reserved_memory(new_blob, "gap2", &gap2,  NULL, 0,
-					  NULL, flags);
-}
-
-int ft_board_setup(void *blob, struct bd_info *bd)
-{
-	return rk3588_add_reserved_memory_fdt_nodes(blob);
-}
-#endif
diff --git a/configs/coolpi-4b-rk3588s_defconfig b/configs/coolpi-4b-rk3588s_defconfig
index a0fe3708344..2608bb67679 100644
--- a/configs/coolpi-4b-rk3588s_defconfig
+++ b/configs/coolpi-4b-rk3588s_defconfig
@@ -2,7 +2,6 @@ CONFIG_ARM=y
 CONFIG_SKIP_LOWLEVEL_INIT=y
 CONFIG_COUNTER_FREQUENCY=24000000
 CONFIG_ARCH_ROCKCHIP=y
-CONFIG_NR_DRAM_BANKS=2
 CONFIG_SF_DEFAULT_SPEED=24000000
 CONFIG_SF_DEFAULT_MODE=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="rk3588s-coolpi-4b"
@@ -23,7 +22,6 @@ CONFIG_FIT_VERBOSE=y
 CONFIG_SPL_FIT_SIGNATURE=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_LEGACY_IMAGE_FORMAT=y
-CONFIG_OF_BOARD_SETUP=y
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3588s-coolpi-4b.dtb"
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
diff --git a/configs/coolpi-cm5-evb-rk3588_defconfig b/configs/coolpi-cm5-evb-rk3588_defconfig
index fc17660da2a..c5bb7a42957 100644
--- a/configs/coolpi-cm5-evb-rk3588_defconfig
+++ b/configs/coolpi-cm5-evb-rk3588_defconfig
@@ -2,7 +2,6 @@ CONFIG_ARM=y
 CONFIG_SKIP_LOWLEVEL_INIT=y
 CONFIG_COUNTER_FREQUENCY=24000000
 CONFIG_ARCH_ROCKCHIP=y
-CONFIG_NR_DRAM_BANKS=2
 CONFIG_SF_DEFAULT_SPEED=24000000
 CONFIG_SF_DEFAULT_MODE=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="rk3588-coolpi-cm5-evb"
@@ -23,7 +22,6 @@ CONFIG_FIT_VERBOSE=y
 CONFIG_SPL_FIT_SIGNATURE=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_LEGACY_IMAGE_FORMAT=y
-CONFIG_OF_BOARD_SETUP=y
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3588-coolpi-cm5-evb.dtb"
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
diff --git a/configs/evb-rk3588_defconfig b/configs/evb-rk3588_defconfig
index c8db04c076e..187cf26a5c9 100644
--- a/configs/evb-rk3588_defconfig
+++ b/configs/evb-rk3588_defconfig
@@ -2,7 +2,6 @@ CONFIG_ARM=y
 CONFIG_SKIP_LOWLEVEL_INIT=y
 CONFIG_COUNTER_FREQUENCY=24000000
 CONFIG_ARCH_ROCKCHIP=y
-CONFIG_NR_DRAM_BANKS=2
 CONFIG_DEFAULT_DEVICE_TREE="rk3588-evb1-v10"
 CONFIG_ROCKCHIP_RK3588=y
 CONFIG_SPL_SERIAL=y
@@ -16,7 +15,6 @@ CONFIG_FIT_VERBOSE=y
 CONFIG_SPL_FIT_SIGNATURE=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_LEGACY_IMAGE_FORMAT=y
-CONFIG_OF_BOARD_SETUP=y
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3588-evb1-v10.dtb"
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
diff --git a/configs/generic-rk3588_defconfig b/configs/generic-rk3588_defconfig
index b50f4f8b800..e7a372a828c 100644
--- a/configs/generic-rk3588_defconfig
+++ b/configs/generic-rk3588_defconfig
@@ -2,7 +2,6 @@ CONFIG_ARM=y
 CONFIG_SKIP_LOWLEVEL_INIT=y
 CONFIG_COUNTER_FREQUENCY=24000000
 CONFIG_ARCH_ROCKCHIP=y
-CONFIG_NR_DRAM_BANKS=2
 CONFIG_DEFAULT_DEVICE_TREE="rk3588-generic"
 CONFIG_ROCKCHIP_RK3588=y
 CONFIG_SPL_SERIAL=y
@@ -16,7 +15,6 @@ CONFIG_FIT_VERBOSE=y
 CONFIG_SPL_FIT_SIGNATURE=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_LEGACY_IMAGE_FORMAT=y
-CONFIG_OF_BOARD_SETUP=y
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3588-generic.dtb"
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
diff --git a/configs/orangepi-5-plus-rk3588_defconfig b/configs/orangepi-5-plus-rk3588_defconfig
index d6e23c154f1..ba8005363ad 100644
--- a/configs/orangepi-5-plus-rk3588_defconfig
+++ b/configs/orangepi-5-plus-rk3588_defconfig
@@ -3,7 +3,6 @@ CONFIG_SKIP_LOWLEVEL_INIT=y
 CONFIG_SYS_HAS_NONCACHED_MEMORY=y
 CONFIG_COUNTER_FREQUENCY=24000000
 CONFIG_ARCH_ROCKCHIP=y
-CONFIG_NR_DRAM_BANKS=2
 CONFIG_SF_DEFAULT_SPEED=24000000
 CONFIG_SF_DEFAULT_MODE=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="rk3588-orangepi-5-plus"
@@ -24,7 +23,6 @@ CONFIG_FIT_VERBOSE=y
 CONFIG_SPL_FIT_SIGNATURE=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_LEGACY_IMAGE_FORMAT=y
-CONFIG_OF_BOARD_SETUP=y
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3588-orangepi-5-plus.dtb"
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
diff --git a/configs/orangepi-5-rk3588s_defconfig b/configs/orangepi-5-rk3588s_defconfig
index e6b3da1dc59..d61f85aaa8c 100644
--- a/configs/orangepi-5-rk3588s_defconfig
+++ b/configs/orangepi-5-rk3588s_defconfig
@@ -2,7 +2,6 @@ CONFIG_ARM=y
 CONFIG_SKIP_LOWLEVEL_INIT=y
 CONFIG_COUNTER_FREQUENCY=24000000
 CONFIG_ARCH_ROCKCHIP=y
-CONFIG_NR_DRAM_BANKS=2
 CONFIG_SF_DEFAULT_SPEED=24000000
 CONFIG_SF_DEFAULT_MODE=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="rk3588s-orangepi-5"
@@ -23,7 +22,6 @@ CONFIG_FIT_VERBOSE=y
 CONFIG_SPL_FIT_SIGNATURE=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_LEGACY_IMAGE_FORMAT=y
-CONFIG_OF_BOARD_SETUP=y
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3588s-orangepi-5.dtb"
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
