diff --git a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/utils/SqlSyntaxValidatorTest.java b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/utils/SqlSyntaxValidatorTest.java
index 25c6c4913d5855f0ef48e8113b94a406f814f986..fb570e16c4e0ef8036ccd2c29cdc51e1938b2139 100644
--- a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/utils/SqlSyntaxValidatorTest.java
+++ b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/utils/SqlSyntaxValidatorTest.java
@@ -1,6 +1,5 @@
 package com.taosdata.jdbc.utils;
 
-import com.sun.source.tree.AssertTree;
 import org.junit.Assert;
 import org.junit.Test;