diff --git a/src/cmd/5g/reg.c b/src/cmd/5g/reg.c
index 8f998b87641..09fff97dc3e 100644
--- a/src/cmd/5g/reg.c
+++ b/src/cmd/5g/reg.c
@@ -478,7 +478,7 @@ brk:
 	 * peep-hole on basic block
 	 */
 	if(!debug['R'] || debug['P']) {
-		peep();
+//		peep();
 	}
 
 	/*