diff --git a/fix-tests.patch.txt b/fix-tests.patch.txt
deleted file mode 100644
index d423d05..0000000
--- a/fix-tests.patch.txt
+++ /dev/null
@@ -1,47 +0,0 @@
---- a/colander/tests/test_colander.py
-+++ b/colander/tests/test_colander.py
-@@ -4156,7 +4156,7 @@ class TestTupleSchema(unittest.TestCase)
-         self.assertEqual(schema.children[0], node)
- 
- 
--class TestFunctional(object):
-+class FunctionalBase(object):
-     def test_deserialize_ok(self):
-         import colander.tests
- 
-@@ -4433,7 +4433,7 @@ class TestFunctional(object):
-         self.assertEqual(errors, expected)
- 
- 
--class TestImperative(unittest.TestCase, TestFunctional):
-+class TestImperative(unittest.TestCase, FunctionalBase):
-     def _makeSchema(self, name='schema'):
-         import colander
- 
-@@ -4472,7 +4472,7 @@ class TestImperative(unittest.TestCase,
-         return schema
- 
- 
--class TestDeclarative(unittest.TestCase, TestFunctional):
-+class TestDeclarative(unittest.TestCase, FunctionalBase):
-     def _makeSchema(self, name='schema'):
-         import colander
- 
-@@ -4503,7 +4503,7 @@ class TestDeclarative(unittest.TestCase,
-         return schema
- 
- 
--class TestUltraDeclarative(unittest.TestCase, TestFunctional):
-+class TestUltraDeclarative(unittest.TestCase, FunctionalBase):
-     def _makeSchema(self, name='schema'):
-         import colander
- 
-@@ -4547,7 +4547,7 @@ class TestUltraDeclarative(unittest.Test
-         return schema
- 
- 
--class TestDeclarativeWithInstantiate(unittest.TestCase, TestFunctional):
-+class TestDeclarativeWithInstantiate(unittest.TestCase, FunctionalBase):
-     def _makeSchema(self, name='schema'):
-         import colander
-