diff --git a/src/systems/userinput/devices/mouse.js b/src/systems/userinput/devices/mouse.js
index 3f0fdac6a9694f05f247d36c8025086a19173b1c..5c2426cc91139809858a2395ef0669438dce31ef 100644
--- a/src/systems/userinput/devices/mouse.js
+++ b/src/systems/userinput/devices/mouse.js
@@ -35,8 +35,6 @@ export class MouseDevice {
       this.coords[1] = 0;
       this.movementXY[0] = 0;
       this.movementXY[1] = 0;
-      this.buttonLeft = false;
-      this.buttonRight = false;
       this.wheel = 0;
     }
     const left = event.button === 0;