diff --git a/asterix-common/src/test/java/org/apache/asterix/test/aql/TestHelper.java b/asterix-common/src/test/java/org/apache/asterix/test/aql/TestHelper.java
deleted file mode 100644
index 4e47813..0000000
--- a/asterix-common/src/test/java/org/apache/asterix/test/aql/TestHelper.java
+++ /dev/null
@@ -1,34 +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.asterix.test.aql;
-
-import java.util.List;
-
-public final class TestHelper {
-
-    public static boolean isInPrefixList(List<String> prefixList, String s) {
-        for (String s2 : prefixList) {
-            if (s.startsWith(s2)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-}