diff --git a/src/pkg/gob/encoder_test.go b/src/pkg/gob/encoder_test.go
index d0449bd649b..1456ca00c9f 100644
--- a/src/pkg/gob/encoder_test.go
+++ b/src/pkg/gob/encoder_test.go
@@ -405,7 +405,6 @@ func TestNestedInterfaces(t *testing.T) {
 	if err != nil {
 		t.Fatal("Encode:", err)
 	}
-	Debug(bytes.NewBuffer(buf.Bytes()))
 	err = d.Decode(&v)
 	if err != nil {
 		t.Fatal("Decode:", err)