diff --git a/src/main/java/com/alibaba/druid/util/MySqlUtils.java b/src/main/java/com/alibaba/druid/util/MySqlUtils.java
deleted file mode 100644
index 464a3eb2b5..0000000000
--- a/src/main/java/com/alibaba/druid/util/MySqlUtils.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.alibaba.druid.util;
-
-import java.sql.Connection;
-import java.sql.SQLException;
-
-
-public class MySqlUtils {
-    public static com.mysql.jdbc.Connection unwrap(Connection conn) throws SQLException {
-        if (conn instanceof com.mysql.jdbc.Connection) {
-            return (com.mysql.jdbc.Connection) conn;
-        }
-
-        return conn.unwrap(com.mysql.jdbc.Connection.class);
-    }
-    
-    public static void ping(Connection conn) throws SQLException {
-        com.mysql.jdbc.Connection mysqlConn = unwrap(conn);
-        mysqlConn.ping();
-    }
-}