diff --git a/util/etcd/etcd_test.go b/util/etcd/etcd_test.go
index f98c1393d5f6c..bbb810b0a25e3 100644
--- a/util/etcd/etcd_test.go
+++ b/util/etcd/etcd_test.go
@@ -107,8 +107,6 @@ func TestUpdate(t *testing.T) {
 	require.Equal(t, obj1, string(res))
 	require.Equal(t, revision1, revision0)
 
-	time.Sleep(time.Second)
-
 	err = etcdCli.Update(ctx, key, obj2, 3)
 	require.NoError(t, err)