diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index 2dcee3a..9202f82 100644
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -213,7 +213,6 @@
 
 static inline void adjustformat(struct pt_regs *regs)
 {
-	((struct switch_stack *)regs - 1)->a5 = current->mm->start_data;
 	/*
 	 * set format byte to make stack appear modulo 4, which it will
 	 * be when doing the rte