diff --git a/src/cmd/compile/internal/types2/check.go b/src/cmd/compile/internal/types2/check.go
index c65666e802..7d499eb13d 100644
--- a/src/cmd/compile/internal/types2/check.go
+++ b/src/cmd/compile/internal/types2/check.go
@@ -1,4 +1,3 @@
-// UNREVIEWED
 // Copyright 2011 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
@@ -17,7 +16,7 @@ import (
 var nopos syntax.Pos
 
 // debugging/development support
-const debug = true // leave on during development
+const debug = false // leave on during development
 
 // If forceStrict is set, the type-checker enforces additional
 // rules not specified by the Go 1 spec, but which will