diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 030d300cd71c..9735e828b52d 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -77,7 +77,6 @@ int main(void)
 	DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
 #else /* CONFIG_PPC64 */
 	DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
-	DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall));
 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
 	DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
 	DEFINE(PT_PTRACED, PT_PTRACED);
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index c03e829fee3c..c29d1652a421 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -191,7 +191,6 @@ stack_ovf:
 0:
 
 _GLOBAL(DoSyscall)
-	stw	r0,THREAD+LAST_SYSCALL(r2)
 	stw	r3,ORIG_GPR3(r1)
 	li	r12,0
 	stw	r12,RESULT(r1)
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 972b2acbe713..0df049215503 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -567,7 +567,6 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
 	kregs->nip = *((unsigned long *)ret_from_fork);
 #else
 	kregs->nip = (unsigned long)ret_from_fork;
-	p->thread.last_syscall = -1;
 #endif
 
 	return 0;
diff --git a/arch/ppc/kernel/asm-offsets.c b/arch/ppc/kernel/asm-offsets.c
index 1f91eca2f3d7..c5850a272650 100644
--- a/arch/ppc/kernel/asm-offsets.c
+++ b/arch/ppc/kernel/asm-offsets.c
@@ -40,7 +40,6 @@ main(void)
 	DEFINE(PTRACE, offsetof(struct task_struct, ptrace));
 	DEFINE(KSP, offsetof(struct thread_struct, ksp));
 	DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
-	DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall));
 	DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
 	DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
 	DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
diff --git a/arch/ppc/kernel/entry.S b/arch/ppc/kernel/entry.S
index a9d455369dc6..ab64256110bd 100644
--- a/arch/ppc/kernel/entry.S
+++ b/arch/ppc/kernel/entry.S
@@ -191,7 +191,6 @@ stack_ovf:
 0:
 
 _GLOBAL(DoSyscall)
-	stw	r0,THREAD+LAST_SYSCALL(r2)
 	stw	r3,ORIG_GPR3(r1)
 	li	r12,0
 	stw	r12,RESULT(r1)
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index a26c32ee5527..d947b1609491 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -133,7 +133,6 @@ struct thread_struct {
 	mm_segment_t	fs;		/* for get_fs() validation */
 #ifdef CONFIG_PPC32
 	void		*pgdir;		/* root of page-table tree */
-	signed long	last_syscall;
 #endif
 #if defined(CONFIG_4xx) || defined (CONFIG_BOOKE)
 	unsigned long	dbcr0;		/* debug control register values */