diff --git a/src/emucore/tia/Ball.cxx b/src/emucore/tia/Ball.cxx
index 293369a2f..c6ff20eed 100644
--- a/src/emucore/tia/Ball.cxx
+++ b/src/emucore/tia/Ball.cxx
@@ -65,8 +65,6 @@ void Ball::enabl(uInt8 value)
     myTIA->flushLineCache();
 
     updateEnabled();
-    collision = (myIsVisible && myIsEnabled) ? myCollisionMaskEnabled : myCollisionMaskDisabled;
-    myTIA->scheduleCollisionUpdate();
   }
 }