diff --git a/core/src/main/java/org/apache/gravitino/EntityStore.java b/core/src/main/java/org/apache/gravitino/EntityStore.java
index d5f49f48986..4967e21ce78 100644
--- a/core/src/main/java/org/apache/gravitino/EntityStore.java
+++ b/core/src/main/java/org/apache/gravitino/EntityStore.java
@@ -22,6 +22,7 @@
 import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
+import java.util.Set;
 import java.util.function.Function;
 import org.apache.gravitino.Entity.EntityType;
 import org.apache.gravitino.exceptions.NoSuchEntityException;
@@ -65,7 +66,7 @@ public interface EntityStore extends Closeable {
    */
   default <E extends Entity & HasIdentifier> List<E> list(
       Namespace namespace, Class<E> type, EntityType entityType) throws IOException {
-    return list(namespace, type, entityType, Collections.emptyList());
+    return list(namespace, type, entityType, Collections.emptySet());
   }
 
   /**
@@ -86,7 +87,7 @@ default <E extends Entity & HasIdentifier> List<E> list(
    * @throws IOException if the list operation fails
    */
   default <E extends Entity & HasIdentifier> List<E> list(
-      Namespace namespace, Class<E> type, EntityType entityType, List<Field> skippingFields)
+      Namespace namespace, Class<E> type, EntityType entityType, Set<Field> skippingFields)
       throws IOException {
     throw new UnsupportedOperationException("Don't support to skip fields");
   }
diff --git a/core/src/main/java/org/apache/gravitino/authorization/UserGroupManager.java b/core/src/main/java/org/apache/gravitino/authorization/UserGroupManager.java
index c66e0974612..4b7b4f2d8c3 100644
--- a/core/src/main/java/org/apache/gravitino/authorization/UserGroupManager.java
+++ b/core/src/main/java/org/apache/gravitino/authorization/UserGroupManager.java
@@ -23,7 +23,7 @@
 import java.time.Instant;
 import java.util.Arrays;
 import java.util.Collections;
-import java.util.List;
+import java.util.Set;
 import org.apache.gravitino.Entity;
 import org.apache.gravitino.EntityAlreadyExistsException;
 import org.apache.gravitino.EntityStore;
@@ -40,6 +40,7 @@
 import org.apache.gravitino.meta.UserEntity;
 import org.apache.gravitino.storage.IdGenerator;
 import org.apache.gravitino.utils.PrincipalUtils;
+import org.glassfish.jersey.internal.guava.Sets;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -116,18 +117,20 @@ User getUser(String metalake, String user) throws NoSuchUserException {
   }
 
   String[] listUserNames(String metalake) {
-    return Arrays.stream(
-            listUsersInternal(
-                metalake, Lists.newArrayList(UserEntity.ROLE_NAMES, UserEntity.ROLE_IDS)))
+    Set<Field> skippingFields = Sets.newHashSet();
+    skippingFields.add(UserEntity.ROLE_NAMES);
+    skippingFields.add(UserEntity.ROLE_IDS);
+
+    return Arrays.stream(listUsersInternal(metalake, skippingFields))
         .map(User::name)
         .toArray(String[]::new);
   }
 
   User[] listUsers(String metalake) {
-    return listUsersInternal(metalake, Collections.emptyList());
+    return listUsersInternal(metalake, Collections.emptySet());
   }
 
-  private User[] listUsersInternal(String metalake, List<Field> skippingFields) {
+  private User[] listUsersInternal(String metalake, Set<Field> skippingFields) {
     try {
       AuthorizationUtils.checkMetalakeExists(metalake);
 
diff --git a/core/src/main/java/org/apache/gravitino/storage/relational/RelationalEntityStore.java b/core/src/main/java/org/apache/gravitino/storage/relational/RelationalEntityStore.java
index 0c269945c00..8807bf3fa5e 100644
--- a/core/src/main/java/org/apache/gravitino/storage/relational/RelationalEntityStore.java
+++ b/core/src/main/java/org/apache/gravitino/storage/relational/RelationalEntityStore.java
@@ -24,6 +24,7 @@
 import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
+import java.util.Set;
 import java.util.function.Function;
 import org.apache.gravitino.Config;
 import org.apache.gravitino.Configs;
@@ -96,7 +97,7 @@ public <E extends Entity & HasIdentifier> List<E> list(
 
   @Override
   public <E extends Entity & HasIdentifier> List<E> list(
-      Namespace namespace, Class<E> type, Entity.EntityType entityType, List<Field> skippingFields)
+      Namespace namespace, Class<E> type, Entity.EntityType entityType, Set<Field> skippingFields)
       throws IOException {
     return backend.list(namespace, entityType, skippingFields);
   }