diff --git a/controllers/apps/components/internal/component_base_stateful.go b/controllers/apps/components/internal/component_base_stateful.go
index 093c4b32a33..211cc508f34 100644
--- a/controllers/apps/components/internal/component_base_stateful.go
+++ b/controllers/apps/components/internal/component_base_stateful.go
@@ -20,7 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 package internal
 
 import (
-	"encoding/json"
 	"fmt"
 	"reflect"
 	"strconv"
@@ -732,19 +731,3 @@ func (c *StatefulComponentBase) getRunningVolumes(reqCtx intctrlutil.RequestCtx,
 	}
 	return matchedPVCs, nil
 }
-
-// getClusterBackupSourceMap gets the backup source map from cluster.annotations
-func (c *StatefulComponentBase) getClusterBackupSourceMap(cluster *appsv1alpha1.Cluster) (map[string]string, error) {
-	compBackupMapString := cluster.Annotations[constant.RestoreFromBackUpAnnotationKey]
-	if len(compBackupMapString) == 0 {
-		return nil, nil
-	}
-	compBackupMap := map[string]string{}
-	err := json.Unmarshal([]byte(compBackupMapString), &compBackupMap)
-	for k := range compBackupMap {
-		if cluster.Spec.GetComponentByName(k) == nil {
-			return nil, intctrlutil.NewErrorf(intctrlutil.ErrorTypeNotFound, "restore: not found componentSpecs[*].name %s", k)
-		}
-	}
-	return compBackupMap, err
-}
diff --git a/internal/cli/cmd/cluster/dataprotection.go b/internal/cli/cmd/cluster/dataprotection.go
index 3827926e3f3..8e00dbbbb4f 100644
--- a/internal/cli/cmd/cluster/dataprotection.go
+++ b/internal/cli/cmd/cluster/dataprotection.go
@@ -245,19 +245,6 @@ func NewCreateBackupCmd(f cmdutil.Factory, streams genericclioptions.IOStreams)
 	return cmd
 }
 
-// getClusterNameMap get cluster list by namespace and convert to map.
-func getClusterNameMap(dClient dynamic.Interface, o *list.ListOptions) (map[string]struct{}, error) {
-	clusterList, err := dClient.Resource(types.ClusterGVR()).Namespace(o.Namespace).List(context.TODO(), metav1.ListOptions{})
-	if err != nil {
-		return nil, err
-	}
-	clusterMap := make(map[string]struct{})
-	for _, v := range clusterList.Items {
-		clusterMap[v.GetName()] = struct{}{}
-	}
-	return clusterMap, nil
-}
-
 func printBackupList(o ListBackupOptions) error {
 	// if format is JSON or YAML, use default printer to output the result.
 	if o.Format == printer.JSON || o.Format == printer.YAML {
diff --git a/internal/controller/model/transform_utils_test.go b/internal/controller/model/transform_utils_test.go
index 413fa527767..0e468b1bcfd 100644
--- a/internal/controller/model/transform_utils_test.go
+++ b/internal/controller/model/transform_utils_test.go
@@ -26,7 +26,6 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 
-	roclient "github.com/apecloud/kubeblocks/internal/controller/client"
 	"github.com/go-logr/logr"
 	"github.com/golang/mock/gomock"
 	apps "k8s.io/api/apps/v1"
@@ -36,6 +35,7 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/client"
 
 	"github.com/apecloud/kubeblocks/internal/controller/builder"
+	roclient "github.com/apecloud/kubeblocks/internal/controller/client"
 	"github.com/apecloud/kubeblocks/internal/controller/graph"
 	testutil "github.com/apecloud/kubeblocks/internal/testutil/k8s"
 )