diff --git a/src/graphics/slope/SlopeAssistant.ts b/src/graphics/slope/SlopeAssistant.ts
index 519ceed..61d6e2d 100644
--- a/src/graphics/slope/SlopeAssistant.ts
+++ b/src/graphics/slope/SlopeAssistant.ts
@@ -130,20 +130,11 @@ export class SlopeInteraction extends GraphicInteractionPlugin<Slope> {
     return grahpics.filter((g) => g.type === Slope.Type).map((g) => g as Slope);
   }
   bind(g: Slope): void {
-    g.eventMode = 'static';
     g.cursor = 'pointer';
-    g.scalable = true;
     g.draggable = false;
-    g.transformSave = true;
-    g.lineGraphic.eventMode = 'static';
-    g.lineGraphic.cursor = 'pointer';
     g.lineGraphic.hitArea = new SlopeGraphicHitArea(g);
   }
   unbind(g: Slope): void {
     g.eventMode = 'none';
-    g.lineGraphic.eventMode = 'none';
-    g.lineGraphic.draggable = false;
-    g.lineGraphic.selectable = false;
-    g.lineGraphic.transformSave = false;
   }
 }