diff --git a/mode_test.go b/mode_test.go
index bb17a9ef48..f87147fcc3 100644
--- a/mode_test.go
+++ b/mode_test.go
@@ -5,7 +5,6 @@
 package gin
 
 import (
-	"flag"
 	"os"
 	"sync/atomic"
 	"testing"