diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/security/token/AuthenticationProtocol.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/security/token/AuthenticationProtocol.java
deleted file mode 100644
index 2eb9e15ff5d..00000000000
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/security/token/AuthenticationProtocol.java
+++ /dev/null
@@ -1,43 +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 org.apache.hadoop.hbase.security.token;
-
-import java.io.IOException;
-
-import org.apache.hadoop.hbase.ipc.CoprocessorProtocol;
-import org.apache.hadoop.security.token.Token;
-
-/**
- * Defines a custom RPC protocol for obtaining authentication tokens
- */
-public interface AuthenticationProtocol extends CoprocessorProtocol {
-  /**
-   * Obtains a token capable of authenticating as the current user for future
-   * connections.
-   * @return an authentication token for the current user
-   * @throws IOException If obtaining a token is denied or encounters an error
-   */
-  public Token<AuthenticationTokenIdentifier> getAuthenticationToken()
-      throws IOException;
-
-  /**
-   * Returns the currently authenticated username.
-   */
-  public String whoami();
-}