diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 317659fdeacf..569ac1165b06 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -63,7 +63,7 @@
 
 static inline void __hard_irq_enable(void)
 {
-	if (IS_ENABLED(CONFIG_BOOKE_OR_40x))
+	if (IS_ENABLED(CONFIG_BOOKE))
 		wrtee(MSR_EE);
 	else if (IS_ENABLED(CONFIG_PPC_8xx))
 		wrtspr(SPRN_EIE);
@@ -75,7 +75,7 @@ static inline void __hard_irq_enable(void)
 
 static inline void __hard_irq_disable(void)
 {
-	if (IS_ENABLED(CONFIG_BOOKE_OR_40x))
+	if (IS_ENABLED(CONFIG_BOOKE))
 		wrtee(0);
 	else if (IS_ENABLED(CONFIG_PPC_8xx))
 		wrtspr(SPRN_EID);
@@ -87,7 +87,7 @@ static inline void __hard_irq_disable(void)
 
 static inline void __hard_EE_RI_disable(void)
 {
-	if (IS_ENABLED(CONFIG_BOOKE_OR_40x))
+	if (IS_ENABLED(CONFIG_BOOKE))
 		wrtee(0);
 	else if (IS_ENABLED(CONFIG_PPC_8xx))
 		wrtspr(SPRN_NRI);
@@ -99,7 +99,7 @@ static inline void __hard_EE_RI_disable(void)
 
 static inline void __hard_RI_enable(void)
 {
-	if (IS_ENABLED(CONFIG_BOOKE_OR_40x))
+	if (IS_ENABLED(CONFIG_BOOKE))
 		return;
 
 	if (IS_ENABLED(CONFIG_PPC_8xx))
diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h
index ba1a5974e714..aa3751960ffd 100644
--- a/arch/powerpc/include/asm/irq.h
+++ b/arch/powerpc/include/asm/irq.h
@@ -33,7 +33,7 @@ extern int distribute_irqs;
 
 struct pt_regs;
 
-#ifdef CONFIG_BOOKE_OR_40x
+#ifdef CONFIG_BOOKE
 /*
  * Per-cpu stacks for handling critical, debug and machine check
  * level interrupts.
diff --git a/arch/powerpc/include/asm/kup.h b/arch/powerpc/include/asm/kup.h
index ad7e8c5aec3f..2bb03d941e3e 100644
--- a/arch/powerpc/include/asm/kup.h
+++ b/arch/powerpc/include/asm/kup.h
@@ -20,7 +20,7 @@ static __always_inline bool kuap_is_disabled(void);
 #include <asm/nohash/32/kup-8xx.h>
 #endif
 
-#ifdef CONFIG_BOOKE_OR_40x
+#ifdef CONFIG_BOOKE
 #include <asm/nohash/kup-booke.h>
 #endif
 
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index b2c51d337e60..667444da0ba4 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -159,7 +159,7 @@ struct thread_struct {
 	unsigned long	sr0;
 #endif
 #endif /* CONFIG_PPC32 */
-#if defined(CONFIG_BOOKE_OR_40x) && defined(CONFIG_PPC_KUAP)
+#if defined(CONFIG_BOOKE) && defined(CONFIG_PPC_KUAP)
 	unsigned long	pid;	/* value written in PID reg. at interrupt exit */
 #endif
 	/* Debug Registers */
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index ea8f91fbc62f..7b9350756875 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -310,7 +310,7 @@ static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)
 
 static inline bool cpu_has_msr_ri(void)
 {
-	return !IS_ENABLED(CONFIG_BOOKE_OR_40x);
+	return !IS_ENABLED(CONFIG_BOOKE);
 }
 
 static inline bool regs_is_unrecoverable(struct pt_regs *regs)
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 85b98f625053..b2cbd2bc3adf 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -18,7 +18,7 @@
 #include <asm/feature-fixups.h>
 
 /* Pickup Book E specific registers. */
-#ifdef CONFIG_BOOKE_OR_40x
+#ifdef CONFIG_BOOKE
 #include <asm/reg_booke.h>
 #endif
 
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index f029755f9e69..23733282de4d 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -54,7 +54,7 @@
 #endif
 
 #ifdef CONFIG_PPC32
-#ifdef CONFIG_BOOKE_OR_40x
+#ifdef CONFIG_BOOKE
 #include "head_booke.h"
 #endif
 #endif
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 070eab8b6a28..1522164b10e4 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -108,7 +108,7 @@ transfer_to_syscall:
 	stw	r11, 0(r1)
 	mflr	r12
 	stw	r12, _LINK(r1)
-#ifdef CONFIG_BOOKE_OR_40x
+#ifdef CONFIG_BOOKE
 	rlwinm	r9,r9,0,14,12		/* clear MSR_WE (necessary?) */
 #endif
 	lis	r12,STACK_FRAME_REGS_MARKER@ha /* exception frame marker */
diff --git a/arch/powerpc/kernel/epapr_hcalls.S b/arch/powerpc/kernel/epapr_hcalls.S
index 1a9b5ae8ccb2..6a414ed5a411 100644
--- a/arch/powerpc/kernel/epapr_hcalls.S
+++ b/arch/powerpc/kernel/epapr_hcalls.S
@@ -21,7 +21,7 @@ _GLOBAL(epapr_ev_idle)
 	ori	r4, r4,_TLF_NAPPING	/* so when we take an exception */
 	PPC_STL	r4, TI_LOCAL_FLAGS(r2)	/* it will return to our caller */
 
-#ifdef CONFIG_BOOKE_OR_40x
+#ifdef CONFIG_BOOKE
 	wrteei	1
 #else
 	mfmsr	r4
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 7504ceec5c58..2e1600a8bbbb 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -333,7 +333,7 @@ void __init init_IRQ(void)
 		static_call_update(ppc_get_irq, ppc_md.get_irq);
 }
 
-#ifdef CONFIG_BOOKE_OR_40x
+#ifdef CONFIG_BOOKE
 void   *critirq_ctx[NR_CPUS] __read_mostly;
 void    *dbgirq_ctx[NR_CPUS] __read_mostly;
 void *mcheckirq_ctx[NR_CPUS] __read_mostly;
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index ebe4d1645ca1..7a8bc03a00af 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -45,7 +45,7 @@ static struct hard_trap_info
 	{ 0x0800, 0x08 /* SIGFPE */  },		/* fp unavailable */
 	{ 0x0900, 0x0e /* SIGALRM */ },		/* decrementer */
 	{ 0x0c00, 0x14 /* SIGCHLD */ },		/* system call */
-#ifdef CONFIG_BOOKE_OR_40x
+#ifdef CONFIG_BOOKE
 	{ 0x2002, 0x05 /* SIGTRAP */ },		/* debug */
 #if defined(CONFIG_PPC_85xx)
 	{ 0x2010, 0x08 /* SIGFPE */  },		/* spe unavailable */
@@ -64,7 +64,7 @@ static struct hard_trap_info
 	{ 0x2010, 0x08 /* SIGFPE */  },		/* fp unavailable */
 	{ 0x2020, 0x08 /* SIGFPE */  },		/* ap unavailable */
 #endif
-#else /* !CONFIG_BOOKE_OR_40x */
+#else /* !CONFIG_BOOKE */
 	{ 0x0d00, 0x05 /* SIGTRAP */ },		/* single-step */
 #if defined(CONFIG_PPC_8xx)
 	{ 0x1000, 0x04 /* SIGILL */  },		/* software emulation */
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 9452a54d356c..196cfa41ad6e 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1861,7 +1861,7 @@ int copy_thread(struct task_struct *p, const struct kernel_clone_args *args)
 #if defined(CONFIG_PPC_BOOK3S_32) && defined(CONFIG_PPC_KUAP)
 	p->thread.kuap = KUAP_NONE;
 #endif
-#if defined(CONFIG_BOOKE_OR_40x) && defined(CONFIG_PPC_KUAP)
+#if defined(CONFIG_BOOKE) && defined(CONFIG_PPC_KUAP)
 	p->thread.pid = MMU_NO_CONTEXT;
 #endif
 
diff --git a/arch/powerpc/kernel/setup.h b/arch/powerpc/kernel/setup.h
index 7912bb50a7cb..385a00a2e2ca 100644
--- a/arch/powerpc/kernel/setup.h
+++ b/arch/powerpc/kernel/setup.h
@@ -29,7 +29,7 @@ void setup_tlb_core_data(void);
 static inline void setup_tlb_core_data(void) { }
 #endif
 
-#ifdef CONFIG_BOOKE_OR_40x
+#ifdef CONFIG_BOOKE
 void exc_lvl_early_init(void);
 #else
 static inline void exc_lvl_early_init(void) { }
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index b761cc1a403c..e515c1f7d8d3 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -176,7 +176,7 @@ void __init emergency_stack_init(void)
 }
 #endif
 
-#ifdef CONFIG_BOOKE_OR_40x
+#ifdef CONFIG_BOOKE
 void __init exc_lvl_early_init(void)
 {
 	unsigned int i, hw_cpu;
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index df20cf201f74..d654d3b9cf1f 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -673,7 +673,7 @@ static int __init get_freq(char *name, int cells, unsigned long *val)
 
 static void start_cpu_decrementer(void)
 {
-#ifdef CONFIG_BOOKE_OR_40x
+#ifdef CONFIG_BOOKE
 	unsigned int tcr;
 
 	/* Clear any pending timer interrupts */
diff --git a/arch/powerpc/mm/mmu_context.c b/arch/powerpc/mm/mmu_context.c
index b24c19078eb1..3e3af29b4523 100644
--- a/arch/powerpc/mm/mmu_context.c
+++ b/arch/powerpc/mm/mmu_context.c
@@ -21,7 +21,7 @@ static inline void switch_mm_pgdir(struct task_struct *tsk,
 #ifdef CONFIG_PPC_BOOK3S_32
 	tsk->thread.sr0 = mm->context.sr0;
 #endif
-#if defined(CONFIG_BOOKE_OR_40x) && defined(CONFIG_PPC_KUAP)
+#if defined(CONFIG_BOOKE) && defined(CONFIG_PPC_KUAP)
 	tsk->thread.pid = mm->context.id;
 #endif
 }
diff --git a/arch/powerpc/mm/nohash/mmu_context.c b/arch/powerpc/mm/nohash/mmu_context.c
index 92dc028aff1f..0b181da40ddb 100644
--- a/arch/powerpc/mm/nohash/mmu_context.c
+++ b/arch/powerpc/mm/nohash/mmu_context.c
@@ -303,7 +303,7 @@ void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next,
 	if (IS_ENABLED(CONFIG_BDI_SWITCH))
 		abatron_pteptrs[1] = next->pgd;
 	set_context(id, next->pgd);
-#if defined(CONFIG_BOOKE_OR_40x) && defined(CONFIG_PPC_KUAP)
+#if defined(CONFIG_BOOKE) && defined(CONFIG_PPC_KUAP)
 	tsk->thread.pid = id;
 #endif
 	raw_spin_unlock(&context_lock);
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 2b686ee2dd2b..55337628bf92 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -335,11 +335,6 @@ config BOOKE
 	depends on PPC_E500 || 44x
 	default y
 
-config BOOKE_OR_40x
-	bool
-	depends on BOOKE
-	default y
-
 config PTE_64BIT
 	bool
 	depends on 44x || PPC_E500 || PPC_86xx
