diff --git a/libs/ardour/session_state.cc b/libs/ardour/session_state.cc
index 7aaef61762..4d98c033dc 100644
--- a/libs/ardour/session_state.cc
+++ b/libs/ardour/session_state.cc
@@ -1274,12 +1274,7 @@ Session::parse_route_state (const string& path, bool& match_pbd_id)
 				continue;
 			}
 
-			int mixbus = 0;
-#ifdef MIXBUS
-			rxml->get_property (X_("mixbus-num"), mixbus);
-#endif
-
-			rv.emplace (id, RouteImportInfo (name, pi, mixbus));
+			rv.emplace (id, RouteImportInfo (name, pi, 0));
 		}
 	}
 	return rv;