--- a/cubicweb/__pkginfo__.py	Thu Feb 15 10:26:55 2018 +0100
+++ b/cubicweb/__pkginfo__.py	Thu Feb 15 10:55:49 2018 +0100
@@ -19,9 +19,6 @@
 """cubicweb global packaging information for the cubicweb knowledge management
 software
 """
-from os import listdir
-from os.path import join
-
 
 modname = distname = "cubicweb"
 
@@ -41,22 +38,8 @@
     'Programming Language :: JavaScript',
 ]
 
-_server_migration_dir = join(modname, 'misc', 'migration')
-
 # data files that shall be copied into the main package directory
 package_data = {
     'cubicweb.web.views': ['*.pt'],
     'cubicweb.pyramid': ['development.ini.tmpl'],
 }
-
-try:
-    # data files that shall be copied outside the main package directory
-    data_files = [
-        # server data
-        [join('share', 'cubicweb', 'migration'),
-         [join(_server_migration_dir, filename)
-          for filename in listdir(_server_migration_dir)]],
-    ]
-except OSError:
-    # we are in an installed directory, don't care about this
-    pass

--- a/cubicweb/cwconfig.py	Thu Feb 15 10:26:55 2018 +0100
+++ b/cubicweb/cwconfig.py	Thu Feb 15 10:55:49 2018 +0100
@@ -1011,9 +1011,8 @@
     @classmethod
     def migration_scripts_dir(cls):
         """cubicweb migration scripts directory"""
-        mdir = join(_INSTALL_PREFIX, 'share', 'cubicweb', 'migration')
-        if not exists(mdir):
-            raise ConfigurationError('migration path %s doesn\'t exist' % mdir)
+        mdir = join(dirname(__file__), 'misc', 'migration')
+        assert exists(mdir), 'migration path %s does not exist' % mdir
         return mdir
 
     @classmethod

--- a/cubicweb/test/unittest_cwconfig.py	Thu Feb 15 10:26:55 2018 +0100
+++ b/cubicweb/test/unittest_cwconfig.py	Thu Feb 15 10:55:49 2018 +0100
@@ -125,6 +125,12 @@
         ApptestConfiguration.CUBES_PATH = []
         cleanup_sys_modules([self.datapath('libpython')])
 
+    def test_migration_scripts_dir(self):
+        mscripts = os.listdir(self.config.migration_scripts_dir())
+        self.assertIn('bootstrapmigration_repository.py', mscripts)
+        self.assertIn('postcreate.py', mscripts)
+        self.assertIn('3.24.0_Any.py', mscripts)
+
     @patch('pkg_resources.iter_entry_points', side_effect=iter_entry_points)
     def test_available_cubes(self, mock_iter_entry_points):
         expected_cubes = [

--- a/setup.py	Thu Feb 15 10:26:55 2018 +0100
+++ b/setup.py	Thu Feb 15 10:55:49 2018 +0100
@@ -47,7 +47,6 @@
 
 # import optional features
 distname = __pkginfo__['distname']
-data_files = __pkginfo__['data_files']
 package_data = __pkginfo__['package_data']
 
 
@@ -62,7 +61,6 @@
     author_email=author_email,
     packages=find_packages(),
     package_data=package_data,
-    data_files=data_files,
     include_package_data=True,
     install_requires=[
         'six >= 1.4.0',