diff --git a/cura/Machines/MaterialManager.py b/cura/Machines/MaterialManager.py
index 61b8bcd8e6..0a82fcc764 100644
--- a/cura/Machines/MaterialManager.py
+++ b/cura/Machines/MaterialManager.py
@@ -101,13 +101,6 @@ class MaterialManager(QObject):
         #    GUID -> material group list
         self._guid_material_groups_map = defaultdict(list)
         for root_material_id, material_group in self._material_group_map.items():
-            # This can happen when we are updating with incomplete data.
-            if material_group.root_material_node is None:
-                Logger.log("e", "Missing root material node for [%s]. Probably caused by update using incomplete data."
-                           " Check all related signals for further debugging.",
-                           material_group.name)
-                self._update_timer.start()
-                return
             guid = material_group.root_material_node.metadata["GUID"]
             self._guid_material_groups_map[guid].append(material_group)