diff --git a/src/ifcparse/IfcParse.cpp b/src/ifcparse/IfcParse.cpp
index 3998fc4403..4b4e432825 100644
--- a/src/ifcparse/IfcParse.cpp
+++ b/src/ifcparse/IfcParse.cpp
@@ -923,7 +923,8 @@ void IfcParse::IfcFile::unregister_inverse(unsigned id_from, IfcUtil::IfcBaseCla
 	std::vector<unsigned int>& ids = byref[inst->entity->id()];
 	std::vector<unsigned int>::iterator it = std::find(ids.begin(), ids.end(), id_from);
 	if (it == ids.end()) {
-		throw IfcParse::IfcException("Instance not found among inverses");
+		// @todo inverses also need to be populated when multiple instances are added to a new file.
+		// throw IfcParse::IfcException("Instance not found among inverses");
 	} else {
 		ids.erase(it);
 	}