diff --git a/trogdor/src/main/java/org/apache/kafka/trogdor/workload/PayloadKeyType.java b/trogdor/src/main/java/org/apache/kafka/trogdor/workload/PayloadKeyType.java
deleted file mode 100644
index 3ed98cd840b..00000000000
--- a/trogdor/src/main/java/org/apache/kafka/trogdor/workload/PayloadKeyType.java
+++ /dev/null
@@ -1,39 +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.kafka.trogdor.workload;
-
-/**
- * Describes a key in producer payload
- */
-public enum PayloadKeyType {
-    // null key
-    KEY_NULL(0),
-    // fixed size key containing a long integer representing a message index (i.e., position of
-    // the payload generator)
-    KEY_MESSAGE_INDEX(8);
-
-    private final int maxSizeInBytes;
-
-    PayloadKeyType(int maxSizeInBytes) {
-        this.maxSizeInBytes = maxSizeInBytes;
-    }
-
-    public int maxSizeInBytes() {
-        return maxSizeInBytes;
-    }
-}