diff --git a/hack/make-rules/test-cmd.sh b/hack/make-rules/test-cmd.sh
index 893225e38e..d708d0c841 100755
--- a/hack/make-rules/test-cmd.sh
+++ b/hack/make-rules/test-cmd.sh
@@ -1163,7 +1163,7 @@ __EOF__
   kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
   kubectl delete pvc b-pvc 2>&1 "${kube_flags[@]}"
 
-  ## kubectl apply --prune --prune-whitelist(-w)
+  ## kubectl apply --prune --prune-whitelist
   # Pre-Condition: no POD exists
   kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
   # apply pod a
@@ -1171,7 +1171,7 @@ __EOF__
   # check right pod exists
   kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a'
   # apply svc and don't prune pod a by overwriting whitelist
-  kubectl apply --prune -l prune-group=true -f hack/testdata/prune/svc.yaml -w core/v1/Service 2>&1 "${kube_flags[@]}"
+  kubectl apply --prune -l prune-group=true -f hack/testdata/prune/svc.yaml --prune-whitelist core/v1/Service 2>&1 "${kube_flags[@]}"
   kube::test::get_object_assert 'service prune-svc' "{{${id_field}}}" 'prune-svc'
   kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a'
   # apply svc and prune pod a with default whitelist
diff --git a/pkg/kubectl/cmd/apply.go b/pkg/kubectl/cmd/apply.go
index 620e68c514..1c29eeb955 100644
--- a/pkg/kubectl/cmd/apply.go
+++ b/pkg/kubectl/cmd/apply.go
@@ -109,7 +109,7 @@ func NewCmdApply(f cmdutil.Factory, out io.Writer) *cobra.Command {
 	cmdutil.AddValidateFlags(cmd)
 	cmd.Flags().StringVarP(&options.Selector, "selector", "l", "", "Selector (label query) to filter on")
 	cmd.Flags().Bool("all", false, "[-all] to select all the specified resources.")
-	cmd.Flags().StringArrayP("prune-whitelist", "w", []string{}, "Overwrite the default whitelist with <group/version/kind> for --prune")
+	cmd.Flags().StringArray("prune-whitelist", []string{}, "Overwrite the default whitelist with <group/version/kind> for --prune")
 	cmdutil.AddDryRunFlag(cmd)
 	cmdutil.AddPrinterFlags(cmd)
 	cmdutil.AddRecordFlag(cmd)