diff --git a/src/test/java/com/snowcattle/game/excutor/event/async/AsyncEventBusTest.java b/src/test/java/com/snowcattle/game/excutor/event/async/AsyncEventBusTest.java
index 685571a..b3e9ff7 100644
--- a/src/test/java/com/snowcattle/game/excutor/event/async/AsyncEventBusTest.java
+++ b/src/test/java/com/snowcattle/game/excutor/event/async/AsyncEventBusTest.java
@@ -12,7 +12,6 @@
 import com.snowcattle.game.excutor.service.UpdateService;
 import com.snowcattle.game.excutor.thread.LockSupportDisptachThread;
 import com.snowcattle.game.excutor.utils.Constants;
-import sun.org.mozilla.javascript.internal.ast.WhileLoop;
 
 import java.util.concurrent.TimeUnit;