diff --git a/src/bonsai/bonsai/bim/module/bcf/prop.py b/src/bonsai/bonsai/bim/module/bcf/prop.py
index f141961d7b..f21951c43a 100644
--- a/src/bonsai/bonsai/bim/module/bcf/prop.py
+++ b/src/bonsai/bonsai/bim/module/bcf/prop.py
@@ -241,7 +241,6 @@ class BCFProperties(PropertyGroup):
         self.bim_snippet_schema = ""
         self.document_reference = ""
         self.document_reference_description = ""
-        self.related_topic = ""
         self.comment = ""
         self.has_related_viewpoint = False