diff --git a/arch/cris/include/arch-v10/arch/processor.h b/arch/cris/include/arch-v10/arch/processor.h
index cc692c7a0660cb79b5644ba324068d825e5a94b7..93feb2a487d83d28747adf82101b52511f046c4d 100644
--- a/arch/cris/include/arch-v10/arch/processor.h
+++ b/arch/cris/include/arch-v10/arch/processor.h
@@ -53,7 +53,6 @@ struct thread_struct {
  */
 
 #define start_thread(regs, ip, usp) do { \
-	set_fs(USER_DS);      \
 	regs->irp = ip;       \
 	regs->dccr |= 1 << U_DCCR_BITNR; \
 	wrusp(usp);           \
diff --git a/arch/cris/include/arch-v32/arch/processor.h b/arch/cris/include/arch-v32/arch/processor.h
index f80b47790ca6e29f5e1e4065a43f5213dfab7fff..9603c907fbc4947f4d31077355224fb83638274d 100644
--- a/arch/cris/include/arch-v32/arch/processor.h
+++ b/arch/cris/include/arch-v32/arch/processor.h
@@ -47,7 +47,6 @@ struct thread_struct {
  */
 #define start_thread(regs, ip, usp) \
 do { \
-	set_fs(USER_DS); \
 	regs->erp = ip; \
 	regs->ccs |= 1 << (U_CCS_BITNR + CCS_SHIFT); \
 	wrusp(usp); \