diff --git a/lib/locomotive/steam/services/content_entry_service.rb b/lib/locomotive/steam/services/content_entry_service.rb
index 783b2a90..0e194232 100644
--- a/lib/locomotive/steam/services/content_entry_service.rb
+++ b/lib/locomotive/steam/services/content_entry_service.rb
@@ -87,6 +87,11 @@ def update_decorated_entry(decorated_entry, attributes)
             entry.attributes.delete(field.name)
           end
 
+          # remove any association field
+          _repository.content_type.association_fields.each do |field|
+            entry.attributes.delete(field.name)
+          end
+
           _repository.update(entry)
 
           logEntryOperation(decorated_entry.content_type.slug, decorated_entry)