diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 77259526cb152daff39c213176ac02db1cae3346..35feacb6b8ec44d317a195b46c0e3e7dc438c14f 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -458,7 +458,6 @@ tlb_fixup_done:
 	or	%g6, %lo(init_thread_union), %g6
 	ldx	[%g6 + TI_TASK], %g4
 	mov	%sp, %l6
-	mov	%o4, %l7
 
 	wr	%g0, ASI_P, %asi
 	mov	1, %g1