diff --git a/core/src/main/scala/kafka/admin/RackAwareMode.scala b/core/src/main/scala/kafka/admin/RackAwareMode.scala
deleted file mode 100644
index 45555b60bfcea..0000000000000
--- a/core/src/main/scala/kafka/admin/RackAwareMode.scala
+++ /dev/null
@@ -1,42 +0,0 @@
-/**
-  * Licensed to the Apache Software Foundation (ASF) under one or more
-  * contributor license agreements.  See the NOTICE file distributed with
-  * this work for additional information regarding copyright ownership.
-  * The ASF licenses this file to You under the Apache License, Version 2.0
-  * (the "License"); you may not use this file except in compliance with
-  * the License.  You may obtain a copy of the License at
-  *
-  *    http://www.apache.org/licenses/LICENSE-2.0
-  *
-  * Unless required by applicable law or agreed to in writing, software
-  * distributed under the License is distributed on an "AS IS" BASIS,
-  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  * See the License for the specific language governing permissions and
-  * limitations under the License.
-  */
-package kafka.admin
-
-/**
-  * Mode to control how rack aware replica assignment will be executed
-  */
-object RackAwareMode {
-
-  /**
-    * Ignore all rack information in replica assignment. This is an optional mode used in command line.
-    */
-  case object Disabled extends RackAwareMode
-
-  /**
-    * Assume every broker has rack, or none of the brokers has rack. If only partial brokers have rack, fail fast
-    * in replica assignment. This is the default mode in command line tools (TopicCommand and ReassignPartitionsCommand).
-    */
-  case object Enforced extends RackAwareMode
-
-  /**
-    * Use rack information if every broker has a rack. Otherwise, fallback to Disabled mode. This is used in auto topic
-    * creation.
-    */
-  case object Safe extends RackAwareMode
-}
-
-sealed trait RackAwareMode