diff --git a/progit/__init__.py b/progit/__init__.py
index 84f3cc6..4e23601 100644
--- a/progit/__init__.py
+++ b/progit/__init__.py
@@ -411,20 +411,6 @@ def patch_to_diff(patch):
     return content
 
 
-@APP.template_filter('diff_to_diff')
-def diff_to_diff(diff):
-    """Render a hunk as a diff"""
-    content = ""
-    patches = [p for p in diff]
-    for patch in patches:
-        for hunk in patch.hunks:
-            content = content + "@@ -%i,%i +%i,%i @@\n" % (hunk.old_start,
-                hunk.old_lines, hunk.new_start, hunk.new_lines)
-            for line in hunk.lines:
-                content = content + ' '.join(line)
-    return content
-
-
 @FAS.postlogin
 def set_user(return_url):
     ''' After login method. '''