diff --git a/api/src/main/java/org/apache/gravitino/authorization/MetadataObjectChange.java b/api/src/main/java/org/apache/gravitino/authorization/MetadataObjectChange.java
index 883508fe6e..1f8cbf1361 100644
--- a/api/src/main/java/org/apache/gravitino/authorization/MetadataObjectChange.java
+++ b/api/src/main/java/org/apache/gravitino/authorization/MetadataObjectChange.java
@@ -73,7 +73,7 @@ private RenameMetadataObject(MetadataObject metadataObject, MetadataObject newMe
      * @return return a metadataObject.
      */
     public MetadataObject metadataObject() {
-      return this.metadataObject;
+      return metadataObject;
     }
 
     /**
@@ -82,7 +82,7 @@ public MetadataObject metadataObject() {
      * @return return a metadataObject object.
      */
     public MetadataObject getNewMetadataObject() {
-      return this.newMetadataObject;
+      return newMetadataObject;
     }
 
     /**
@@ -138,7 +138,7 @@ private RemoveMetadataObject(MetadataObject metadataObject) {
      * @return return a metadataObject.
      */
     public MetadataObject getMetadataObject() {
-      return this.metadataObject;
+      return metadataObject;
     }
 
     /**
diff --git a/authorizations/authorization-ranger/src/main/java/org/apache/gravitino/authorization/ranger/RangerAuthorizationPlugin.java b/authorizations/authorization-ranger/src/main/java/org/apache/gravitino/authorization/ranger/RangerAuthorizationPlugin.java
index 96aefccd5c..ea6e7f6c59 100644
--- a/authorizations/authorization-ranger/src/main/java/org/apache/gravitino/authorization/ranger/RangerAuthorizationPlugin.java
+++ b/authorizations/authorization-ranger/src/main/java/org/apache/gravitino/authorization/ranger/RangerAuthorizationPlugin.java
@@ -236,7 +236,7 @@ public Boolean onMetadataUpdated(MetadataObjectChange... changes) throws Runtime
     for (MetadataObjectChange change : changes) {
       if (change instanceof MetadataObjectChange.RenameMetadataObject) {
         MetadataObject metadataObject =
-            ((MetadataObjectChange.RenameMetadataObject) change).getMetadataObject();
+            ((MetadataObjectChange.RenameMetadataObject) change).metadataObject();
         MetadataObject newMetadataObject =
             ((MetadataObjectChange.RenameMetadataObject) change).getNewMetadataObject();
         RangerMetadataObject rangerMetadataObject = translateMetadataObject(metadataObject);