Index: PyQt5_gpl-5.12/designer/designer.pro-in
===================================================================
--- PyQt5_gpl-5.12.orig/designer/designer.pro-in
+++ PyQt5_gpl-5.12/designer/designer.pro-in
@@ -1,4 +1,5 @@
 CONFIG      += plugin @QTCONFIG@ warn_on
+CONFIG      -= rpath_libdirs
 QT          += designer
 
 # Work around QTBUG-39300.