1 files changed, 1 insertions, 26 deletions
diff --git a/tests/helpers.py b/tests/helpers.py
index 195fefde..d4dd33ea 100644
--- a/tests/helpers.py
+++ b/tests/helpers.py
@@ -8,15 +8,13 @@ import contextlib
 import glob
 import os
 import re
-import shutil
 import subprocess
 import sys
 
 import mock
-from unittest_mixins import ModuleCleaner
 
 from coverage import env
-from coverage.backward import invalidate_import_caches, unicode_class
+from coverage.backward import unicode_class
 from coverage.misc import output_encoding
 
 
@@ -115,29 +113,6 @@ def remove_files(*patterns):
             os.remove(fname)
 
 
-class SuperModuleCleaner(ModuleCleaner):
-    """Remember the state of sys.modules and restore it later."""
-
-    def clean_local_file_imports(self):
-        """Clean up the results of calls to `import_local_file`.
-
-        Use this if you need to `import_local_file` the same file twice in
-        one test.
-
-        """
-        # So that we can re-import files, clean them out first.
-        self.cleanup_modules()
-
-        # Also have to clean out the .pyc file, since the timestamp
-        # resolution is only one second, a changed file might not be
-        # picked up.
-        remove_files("*.pyc", "*$py.class")
-        if os.path.exists("__pycache__"):
-            shutil.rmtree("__pycache__")
-
-        invalidate_import_caches()
-
-
 # Map chars to numbers for arcz_to_arcs
 _arcz_map = {'.': -1}
 _arcz_map.update(dict((c, ord(c) - ord('0')) for c in '123456789'))