diff --git a/designer-base/src/main/java/com/fr/design/mainframe/NorthRegionContainerPane.java b/designer-base/src/main/java/com/fr/design/mainframe/NorthRegionContainerPane.java
index 1cde29286..67784159c 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/NorthRegionContainerPane.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/NorthRegionContainerPane.java
@@ -11,7 +11,6 @@ import com.fr.design.mainframe.toolbar.ToolBarMenuDock;
 import com.fr.design.mainframe.toolbar.ToolBarMenuDockPlus;
 import com.fr.design.menu.MenuManager;
 import com.fr.design.os.impl.SupportOSImpl;
-import com.fr.event.EventDispatcher;
 import com.fr.general.GeneralContext;
 import com.fr.plugin.context.PluginContext;
 import com.fr.plugin.injectable.PluginModule;