diff --git a/cura/PlatformPhysics.py b/cura/PlatformPhysics.py
index 6416b83e01..c91aaaabde 100644
--- a/cura/PlatformPhysics.py
+++ b/cura/PlatformPhysics.py
@@ -6,7 +6,6 @@ from PyQt5.QtCore import QTimer
 from UM.Scene.SceneNode import SceneNode
 from UM.Scene.Iterator.BreadthFirstIterator import BreadthFirstIterator
 from UM.Operations.TranslateOperation import TranslateOperation
-from UM.Operations.ScaleToBoundsOperation import ScaleToBoundsOperation
 from UM.Math.Float import Float
 from UM.Math.Vector import Vector
 from UM.Math.AxisAlignedBox import AxisAlignedBox