diff -r 85194bd49119 -r 71aa20cb43f2 cubicweb/cwconfig.py
--- a/cubicweb/cwconfig.py	Fri Mar 22 17:42:36 2019 +0100
+++ b/cubicweb/cwconfig.py	Wed Mar 27 16:19:50 2019 +0100
@@ -663,8 +663,6 @@
     @classmethod
     def cls_adjust_sys_path(cls):
         """update python path if necessary"""
-        from cubicweb import _CubesImporter
-        _CubesImporter.install()
         import cubes
         cubes.__path__ = cls.cubes_search_path()