diff --git a/src/main/java/com/alibaba/druid/pool/ConnectionHolder.java b/src/main/java/com/alibaba/druid/pool/ConnectionHolder.java
index c7aaeee930..3d5fd3810e 100644
--- a/src/main/java/com/alibaba/druid/pool/ConnectionHolder.java
+++ b/src/main/java/com/alibaba/druid/pool/ConnectionHolder.java
@@ -79,8 +79,6 @@ public final class ConnectionHolder {
         this.defaultTransactionIsolation = underlyingTransactionIsolation;
         this.defaultAutoCommit = underlyingAutoCommit;
         this.defaultReadOnly = underlyingReadOnly;
-   
-        statementPool = null;
     }
 
     public int getModCount() {