diff --git a/pkg/controller/instanceset/object_builder.go b/pkg/controller/instanceset/object_builder.go
index e5c0b93a44e..6e49fee6ca4 100644
--- a/pkg/controller/instanceset/object_builder.go
+++ b/pkg/controller/instanceset/object_builder.go
@@ -26,7 +26,6 @@ import (
 	"strings"
 
 	corev1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/util/intstr"
 	"k8s.io/apimachinery/pkg/util/sets"
 
 	workloads "github.com/apecloud/kubeblocks/apis/workloads/v1"