diff --git a/passes/pmgen/peepopt_dffmux.pmg b/passes/pmgen/peepopt_dffmux.pmg
index bfd155c58..15c8dc22f 100644
--- a/passes/pmgen/peepopt_dffmux.pmg
+++ b/passes/pmgen/peepopt_dffmux.pmg
@@ -76,7 +76,7 @@ code
 
 	int i = width-1;
 	while (i > 1) {
-		log_dump(i, D[i], D[i-1], rst[i], rst[i-1], init[i], init[i-1]);
+		// log_dump(i, D[i], D[i-1], rst[i], rst[i-1], init[i], init[i-1]);
 		if (D[i] != D[i-1])
 			break;
 		if (!cmpx(rst[i], rst[i-1]))