diff --git a/src/main/java/com/alibaba/druid/pool/PoolableResultSet.java b/src/main/java/com/alibaba/druid/pool/PoolableResultSet.java
index 08e945ccdb..41ae576272 100644
--- a/src/main/java/com/alibaba/druid/pool/PoolableResultSet.java
+++ b/src/main/java/com/alibaba/druid/pool/PoolableResultSet.java
@@ -21,7 +21,6 @@ import java.math.BigDecimal;
 import java.sql.Array;
 import java.sql.Blob;
 import java.sql.Clob;
-import java.sql.Driver;
 import java.sql.NClob;
 import java.sql.Ref;
 import java.sql.ResultSet;
@@ -1362,35 +1361,7 @@ public final class PoolableResultSet extends PoolableWrapper implements ResultSe
 
     @Override
     public boolean isClosed() throws SQLException {
-        if (this.closed) {
-            return true;
-        }
-        
-        Driver driver = null;
-        {
-            PoolableConnection conn = stmt.getPoolableConnection();
-            ConnectionHolder holder = conn.getConnectionHolder();
-            if (holder != null) {
-                DruidAbstractDataSource dataSource = holder.getDataSource();
-                if (dataSource != null) {
-                    driver = dataSource.getDriver();
-                }
-            }
-        }
-        // Oracle Driver 10.x is JDBC 3.0
-        if (driver != null) {
-            if ("oracle.jdbc.driver.OracleDriver".equals(driver.getClass().getName())) {
-                if (driver.getMajorVersion() <= 10) {
-                    return closed;
-                }
-            }
-        }
-        
-        try {
-            return rs.isClosed();
-        } catch (Throwable t) {
-            throw checkException(t);
-        }
+        return this.closed;
     }
 
     @Override
diff --git a/src/main/java/com/alibaba/druid/pool/PoolableStatement.java b/src/main/java/com/alibaba/druid/pool/PoolableStatement.java
index dc24bddd14..c69de5925e 100644
--- a/src/main/java/com/alibaba/druid/pool/PoolableStatement.java
+++ b/src/main/java/com/alibaba/druid/pool/PoolableStatement.java
@@ -16,7 +16,6 @@
 package com.alibaba.druid.pool;
 
 import java.sql.Connection;
-import java.sql.Driver;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.SQLWarning;
@@ -420,34 +419,7 @@ public class PoolableStatement extends PoolableWrapper implements Statement {
 
     @Override
     public final boolean isClosed() throws SQLException {
-        if (this.closed) {
-            return true;
-        }
-
-        Driver driver = null;
-        {
-            ConnectionHolder holder = conn.getConnectionHolder();
-            if (holder != null) {
-                DruidAbstractDataSource dataSource = holder.getDataSource();
-                if (dataSource != null) {
-                    driver = dataSource.getDriver();
-                }
-            }
-        }
-        // Oracle Driver 10.x is JDBC 3.0
-        if (driver != null) {
-            if ("oracle.jdbc.driver.OracleDriver".equals(driver.getClass().getName())) {
-                if (driver.getMajorVersion() <= 10) {
-                    return closed;
-                }
-            }
-        }
-
-        try {
-            return stmt.isClosed();
-        } catch (Throwable t) {
-            throw checkException(t);
-        }
+        return closed;
     }
 
     @Override
diff --git a/src/test/java/com/alibaba/druid/pool/Case3.java b/src/test/java/com/alibaba/druid/pool/Case3.java
new file mode 100644
index 0000000000..ec12617c8a
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/pool/Case3.java
@@ -0,0 +1,36 @@
+package com.alibaba.druid.pool;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.Statement;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.pool.DruidDataSource;
+
+public class Case3 extends TestCase {
+
+
+    public void test_1() throws Exception {
+        DruidDataSource dataSource = new DruidDataSource();
+        dataSource.setUrl("jdbc:mysql://10.20.153.104:3306/druid2");
+        dataSource.setUsername("root");
+        dataSource.setPassword("root");
+
+        Connection conn = dataSource.getConnection();
+        Statement stmt = conn.createStatement();
+        ResultSet rs = stmt.executeQuery("SELECT 1");
+        rs.next();
+
+        conn.close();
+        
+        Assert.assertEquals(true, stmt.isClosed());
+        Assert.assertEquals(true, rs.isClosed());
+        
+        rs.close();
+        stmt.close();
+
+        dataSource.close();
+    }
+}