diff --git a/xxl-job-core/src/main/java/com/xxl/job/core/util/GsonTool.java b/xxl-job-core/src/main/java/com/xxl/job/core/util/GsonTool.java
index a6f3ca15..85682a6d 100644
--- a/xxl-job-core/src/main/java/com/xxl/job/core/util/GsonTool.java
+++ b/xxl-job-core/src/main/java/com/xxl/job/core/util/GsonTool.java
@@ -3,7 +3,6 @@ package com.xxl.job.core.util;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.google.gson.reflect.TypeToken;
-import sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl;
 
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;