diff --git a/src/main/java/com/alibaba/druid/pool/ConnectionHolder.java b/src/main/java/com/alibaba/druid/pool/ConnectionHolder.java
index ab2cb80d0b..9f8cf29033 100644
--- a/src/main/java/com/alibaba/druid/pool/ConnectionHolder.java
+++ b/src/main/java/com/alibaba/druid/pool/ConnectionHolder.java
@@ -16,7 +16,6 @@
 package com.alibaba.druid.pool;
 
 import java.sql.Connection;
-import java.sql.SQLException;
 import java.sql.Statement;
 import java.util.ArrayList;
 import java.util.Date;
@@ -24,7 +23,6 @@ import java.util.List;
 import java.util.concurrent.CopyOnWriteArrayList;
 
 import javax.sql.ConnectionEventListener;
-import javax.sql.PooledConnection;
 import javax.sql.StatementEventListener;
 
 import com.alibaba.druid.util.JdbcUtils;
@@ -32,7 +30,7 @@ import com.alibaba.druid.util.JdbcUtils;
 /**
  * @author wenshao<szujobs@hotmail.com>
  */
-public final class ConnectionHolder implements PooledConnection {
+public final class ConnectionHolder {
 
     private final DruidAbstractDataSource       dataSource;
     private final Connection                    conn;
@@ -151,29 +149,4 @@ public final class ConnectionHolder implements PooledConnection {
         return buf.toString();
     }
 
-    @Override
-    public void close() throws SQLException {
-        this.reset();
-        JdbcUtils.close(this.conn);
-    }
-
-    @Override
-    public void addConnectionEventListener(ConnectionEventListener listener) {
-        connectionEventListeners.add(listener);
-    }
-
-    @Override
-    public void removeConnectionEventListener(ConnectionEventListener listener) {
-        connectionEventListeners.remove(listener);
-    }
-
-    @Override
-    public void addStatementEventListener(StatementEventListener listener) {
-        statementEventListeners.add(listener);
-    }
-
-    @Override
-    public void removeStatementEventListener(StatementEventListener listener) {
-        statementEventListeners.remove(listener);
-    }
 }
diff --git a/src/test/java/com/alibaba/druid/bvt/pool/basic/ConnectionTest4.java b/src/test/java/com/alibaba/druid/bvt/pool/basic/ConnectionTest4.java
index 829a302b35..a987a8b845 100644
--- a/src/test/java/com/alibaba/druid/bvt/pool/basic/ConnectionTest4.java
+++ b/src/test/java/com/alibaba/druid/bvt/pool/basic/ConnectionTest4.java
@@ -397,6 +397,12 @@ public class ConnectionTest4 extends TestCase {
             stmt.close();
         }
 
+        conn.getConnectionHolder().toString();
+        conn.getConnectionHolder().setLastActiveTimeMillis(0);
+        conn.getConnectionHolder().toString();
+        conn.getConnectionHolder().getUseCount();
+        conn.getConnectionHolder().getTimeMillis();
+        
         conn.close();
     }