diff --git a/src/bonsai/bonsai/bim/module/project/operator.py b/src/bonsai/bonsai/bim/module/project/operator.py
index b0f74cfb40..f8aebd2a34 100644
--- a/src/bonsai/bonsai/bim/module/project/operator.py
+++ b/src/bonsai/bonsai/bim/module/project/operator.py
@@ -119,8 +119,6 @@ class NewProject(bpy.types.Operator):
             bpy.context.scene.unit_settings.length_unit = "MILLIMETERS"
             bim_props.area_unit = "SQUARE_METRE"
             bim_props.volume_unit = "CUBIC_METRE"
-            bim_props.mass_unit = "KILOGRAM"
-            bim_props.time_unit = "SECOND"
             pprops.template_file = "IFC4 Demo Template.ifc"
 
         if self.preset != "wizard":