diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/utils/ClassHelper.java b/dubbo-common/src/main/java/org/apache/dubbo/common/utils/ClassHelper.java
deleted file mode 100644
index fe3a21586f9..00000000000
--- a/dubbo-common/src/main/java/org/apache/dubbo/common/utils/ClassHelper.java
+++ /dev/null
@@ -1,153 +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.dubbo.common.utils;
-
-
-import java.lang.reflect.Method;
-
-/**
- * @see org.apache.dubbo.common.utils.ClassUtils
- * @deprecated Replace to <code>ClassUtils</code>
- */
-public class ClassHelper {
-    public static Class<?> forNameWithThreadContextClassLoader(String name) throws ClassNotFoundException {
-        return ClassUtils.forName(name, Thread.currentThread().getContextClassLoader());
-    }
-
-    public static Class<?> forNameWithCallerClassLoader(String name, Class<?> caller) throws ClassNotFoundException {
-        return ClassUtils.forName(name, caller.getClassLoader());
-    }
-
-    public static ClassLoader getCallerClassLoader(Class<?> caller) {
-        return caller.getClassLoader();
-    }
-
-    /**
-     * get class loader
-     *
-     * @param clazz
-     * @return class loader
-     */
-    public static ClassLoader getClassLoader(Class<?> clazz) {
-        return ClassUtils.getClassLoader(clazz);
-    }
-
-    /**
-     * Return the default ClassLoader to use: typically the thread context
-     * ClassLoader, if available; the ClassLoader that loaded the ClassUtils
-     * class will be used as fallback.
-     * <p>
-     * Call this method if you intend to use the thread context ClassLoader in a
-     * scenario where you absolutely need a non-null ClassLoader reference: for
-     * example, for class path resource loading (but not necessarily for
-     * <code>Class.forName</code>, which accepts a <code>null</code> ClassLoader
-     * reference as well).
-     *
-     * @return the default ClassLoader (never <code>null</code>)
-     * @see java.lang.Thread#getContextClassLoader()
-     */
-    public static ClassLoader getClassLoader() {
-        return getClassLoader(ClassHelper.class);
-    }
-
-    /**
-     * Same as <code>Class.forName()</code>, except that it works for primitive
-     * types.
-     */
-    public static Class<?> forName(String name) throws ClassNotFoundException {
-        return forName(name, getClassLoader());
-    }
-
-    /**
-     * Replacement for <code>Class.forName()</code> that also returns Class
-     * instances for primitives (like "int") and array class names (like
-     * "String[]").
-     *
-     * @param name        the name of the Class
-     * @param classLoader the class loader to use (may be <code>null</code>,
-     *                    which indicates the default class loader)
-     * @return Class instance for the supplied name
-     * @throws ClassNotFoundException if the class was not found
-     * @throws LinkageError           if the class file could not be loaded
-     * @see Class#forName(String, boolean, ClassLoader)
-     */
-    public static Class<?> forName(String name, ClassLoader classLoader)
-            throws ClassNotFoundException, LinkageError {
-        return ClassUtils.forName(name, classLoader);
-    }
-
-    /**
-     * Resolve the given class name as primitive class, if appropriate,
-     * according to the JVM's naming rules for primitive classes.
-     * <p>
-     * Also supports the JVM's internal class names for primitive arrays. Does
-     * <i>not</i> support the "[]" suffix notation for primitive arrays; this is
-     * only supported by {@link #forName}.
-     *
-     * @param name the name of the potentially primitive class
-     * @return the primitive class, or <code>null</code> if the name does not
-     * denote a primitive class or primitive array class
-     */
-    public static Class<?> resolvePrimitiveClassName(String name) {
-        return ClassUtils.resolvePrimitiveClassName(name);
-    }
-
-    public static String toShortString(Object obj) {
-        return ClassUtils.toShortString(obj);
-
-    }
-
-    public static String simpleClassName(Class<?> clazz) {
-        return ClassUtils.simpleClassName(clazz);
-    }
-
-    /**
-     * @see org.apache.dubbo.common.utils.MethodUtils#isSetter(Method)
-     * @deprecated Replace to <code>MethodUtils#isSetter(Method)</code>
-     */
-    public static boolean isSetter(Method method) {
-        return MethodUtils.isSetter(method);
-    }
-
-    /**
-     * @see org.apache.dubbo.common.utils.MethodUtils#isGetter(Method) (Method)
-     * @deprecated Replace to <code>MethodUtils#isGetter(Method)</code>
-     */
-    public static boolean isGetter(Method method) {
-        return MethodUtils.isGetter(method);
-    }
-
-    public static boolean isPrimitive(Class<?> type) {
-        return ClassUtils.isPrimitive(type);
-    }
-
-    public static Object convertPrimitive(Class<?> type, String value) {
-        return ClassUtils.convertPrimitive(type,value);
-    }
-
-
-    /**
-     * We only check boolean value at this moment.
-     *
-     * @param type
-     * @param value
-     * @return
-     */
-    public static boolean isTypeMatch(Class<?> type, String value) {
-    return ClassUtils.isTypeMatch(type,value);
-    }
-}