diff --git a/samza-sql/src/main/java/org/apache/samza/sql/util/ConfigUtil.java b/samza-sql/src/main/java/org/apache/samza/sql/util/ConfigUtil.java
deleted file mode 100644
index e87ea2ff26..0000000000
--- a/samza-sql/src/main/java/org/apache/samza/sql/util/ConfigUtil.java
+++ /dev/null
@@ -1,62 +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.samza.sql.util;
-
-import java.util.Properties;
-
-import org.apache.commons.lang.StringUtils;
-
-
-/**
- * Utility methods to aid with config management.
- */
-public class ConfigUtil {
-
-  private ConfigUtil() {
-  }
-
-  /**
-   * Method is used to filter just the properties with the prefix.
-   * @param props Full set of properties
-   * @param prefix Prefix of the keys that in the config that needs to be filtered out.
-   * @param preserveFullKey If set to true, after filtering, preserves the full key including the prefix.
-   *                        If set to false, Strips out the prefix from the key before returning.
-   * @return Returns the filtered set of properties matching the prefix from the input property bag.
-   */
-  public static Properties getDomainProperties(Properties props, String prefix, boolean preserveFullKey) {
-    String fullPrefix;
-    if (StringUtils.isBlank(prefix)) {
-      fullPrefix = ""; // this will effectively retrieve all properties
-    } else {
-      fullPrefix = prefix.endsWith(".") ? prefix : prefix + ".";
-    }
-    Properties ret = new Properties();
-    props.keySet().stream().map(String.class::cast).forEach(keyStr -> {
-      if (keyStr.startsWith(fullPrefix) && !keyStr.equals(fullPrefix)) {
-        if (preserveFullKey) {
-          ret.put(keyStr, props.get(keyStr));
-        } else {
-          ret.put(keyStr.substring(fullPrefix.length()), props.get(keyStr));
-        }
-      }
-    });
-    return ret;
-  }
-}