diff --git a/kallithea/lib/vcs/backends/git/changeset.py b/kallithea/lib/vcs/backends/git/changeset.py
--- a/kallithea/lib/vcs/backends/git/changeset.py
+++ b/kallithea/lib/vcs/backends/git/changeset.py
@@ -494,16 +494,6 @@ class GitChangeset(BaseChangeset):
         return list(added.union(modified).union(deleted))
 
     @LazyProperty
-    def _diff_name_status(self):
-        output = []
-        for parent in self.parents:
-            cmd = ['diff', '--name-status', parent.raw_id, self.raw_id,
-                   '--encoding=utf8']
-            so, se = self.repository.run_git_command(cmd)
-            output.append(so.strip())
-        return '\n'.join(output)
-
-    @LazyProperty
     def _changes_cache(self):
         added = set()
         modified = set()
diff --git a/kallithea/tests/vcs/test_git.py b/kallithea/tests/vcs/test_git.py
--- a/kallithea/tests/vcs/test_git.py
+++ b/kallithea/tests/vcs/test_git.py
@@ -620,30 +620,6 @@ class TestGitChangeset(object):
         assert 'marcink none@none' == self.repo.get_changeset('8430a588b43b5d6da365400117c89400326e7992').author_name
 
 
-class TestGitSpecific():
-
-    def test_error_is_raised_for_added_if_diff_name_status_is_wrong(self):
-        repo = mock.MagicMock()
-        changeset = GitChangeset(repo, 'foobar')
-        changeset._diff_name_status = 'foobar'
-        with pytest.raises(VCSError):
-            changeset.added
-
-    def test_error_is_raised_for_changed_if_diff_name_status_is_wrong(self):
-        repo = mock.MagicMock()
-        changeset = GitChangeset(repo, 'foobar')
-        changeset._diff_name_status = 'foobar'
-        with pytest.raises(VCSError):
-            changeset.added
-
-    def test_error_is_raised_for_removed_if_diff_name_status_is_wrong(self):
-        repo = mock.MagicMock()
-        changeset = GitChangeset(repo, 'foobar')
-        changeset._diff_name_status = 'foobar'
-        with pytest.raises(VCSError):
-            changeset.added
-
-
 class TestGitSpecificWithRepo(_BackendTestMixin):
     backend_alias = 'git'