diff --git a/plugins/CuraEngineBackend/LayerData.py b/cura/LayerData.py
similarity index 100%
rename from plugins/CuraEngineBackend/LayerData.py
rename to cura/LayerData.py
diff --git a/plugins/CuraEngineBackend/LayerDataDecorator.py b/cura/LayerDataDecorator.py
similarity index 100%
rename from plugins/CuraEngineBackend/LayerDataDecorator.py
rename to cura/LayerDataDecorator.py
diff --git a/plugins/CuraEngineBackend/ProcessSlicedObjectListJob.py b/plugins/CuraEngineBackend/ProcessSlicedObjectListJob.py
index 02dcecb80b..725a6562b4 100644
--- a/plugins/CuraEngineBackend/ProcessSlicedObjectListJob.py
+++ b/plugins/CuraEngineBackend/ProcessSlicedObjectListJob.py
@@ -10,8 +10,8 @@ from UM.Mesh.MeshData import MeshData
 from UM.Message import Message
 from UM.i18n import i18nCatalog
 
-from . import LayerData
-from . import LayerDataDecorator
+from cura import LayerData
+from cura import LayerDataDecorator
 
 import numpy
 import struct