diff --git a/kallithea/controllers/changeset.py b/kallithea/controllers/changeset.py
--- a/kallithea/controllers/changeset.py
+++ b/kallithea/controllers/changeset.py
@@ -271,14 +271,14 @@ class ChangesetController(BaseRepoContro
             context_lcl = get_line_ctx('', request.GET)
             ign_whitespace_lcl = get_ignore_ws('', request.GET)
 
-            _diff = c.db_repo_scm_instance.get_diff(cs1, cs2,
+            raw_diff = c.db_repo_scm_instance.get_diff(cs1, cs2,
                 ignore_whitespace=ign_whitespace_lcl, context=context_lcl)
             diff_limit = None if c.fulldiff else self.cut_off_limit
-            diff_processor = diffs.DiffProcessor(_diff,
-                                                 vcs=c.db_repo_scm_instance.alias,
-                                                 diff_limit=diff_limit)
             file_diff_data = []
             if method == 'show':
+                diff_processor = diffs.DiffProcessor(raw_diff,
+                                                     vcs=c.db_repo_scm_instance.alias,
+                                                     diff_limit=diff_limit)
                 _parsed = diff_processor.prepare()
                 c.limited_diff = False
                 if isinstance(_parsed, LimitedDiffContainer):
@@ -295,8 +295,7 @@ class ChangesetController(BaseRepoContro
                     file_diff_data.append((fid, url_fid, f['operation'], f['old_filename'], filename, diff, st))
             else:
                 # downloads/raw we only need RAW diff nothing else
-                diff = diff_processor.as_raw()
-                file_diff_data.append(('', None, None, None, diff, None))
+                file_diff_data.append(('', None, None, None, raw_diff, None))
             c.changes[changeset.raw_id] = (cs1, cs2, file_diff_data)
 
         # sort comments in creation order
@@ -315,14 +314,14 @@ class ChangesetController(BaseRepoContro
             response.content_type = 'text/plain'
             response.content_disposition = 'attachment; filename=%s.diff' \
                                             % revision[:12]
-            return diff
+            return raw_diff
         elif method == 'patch':
             response.content_type = 'text/plain'
-            c.diff = safe_unicode(diff)
+            c.diff = safe_unicode(raw_diff)
             return render('changeset/patch_changeset.html')
         elif method == 'raw':
             response.content_type = 'text/plain'
-            return diff
+            return raw_diff
         elif method == 'show':
             self.__load_data()
             if len(c.cs_ranges) == 1:
diff --git a/kallithea/controllers/feed.py b/kallithea/controllers/feed.py
--- a/kallithea/controllers/feed.py
+++ b/kallithea/controllers/feed.py
@@ -59,10 +59,21 @@ class FeedController(BaseRepoController)
     def _get_title(self, cs):
         return h.shorter(cs.message, 160)
 
-    def __changes(self, cs):
+    def __get_desc(self, cs):
+        desc_msg = [(_('%s committed on %s')
+                     % (h.person(cs.author), h.fmt_date(cs.date))) + '<br/>']
+        # branches, tags, bookmarks
+        if cs.branch:
+            desc_msg.append('branch: %s<br/>' % cs.branch)
+        for book in cs.bookmarks:
+            desc_msg.append('bookmark: %s<br/>' % book)
+        for tag in cs.tags:
+            desc_msg.append('tag: %s<br/>' % tag)
+
         changes = []
         diff_limit = safe_int(CONFIG.get('rss_cut_off_limit', 32 * 1024))
-        diff_processor = DiffProcessor(cs.diff(),
+        raw_diff = cs.diff()
+        diff_processor = DiffProcessor(raw_diff,
                                        diff_limit=diff_limit)
         _parsed = diff_processor.prepare(inline_diff=False)
         limited_diff = False
@@ -78,19 +89,7 @@ class FeedController(BaseRepoController)
         if limited_diff:
             changes = changes + ['\n ' +
                                  _('Changeset was too big and was cut off...')]
-        return diff_processor, changes
 
-    def __get_desc(self, cs):
-        desc_msg = [(_('%s committed on %s')
-                     % (h.person(cs.author), h.fmt_date(cs.date))) + '<br/>']
-        # branches, tags, bookmarks
-        if cs.branch:
-            desc_msg.append('branch: %s<br/>' % cs.branch)
-        for book in cs.bookmarks:
-            desc_msg.append('bookmark: %s<br/>' % book)
-        for tag in cs.tags:
-            desc_msg.append('tag: %s<br/>' % tag)
-        diff_processor, changes = self.__changes(cs)
         # rev link
         _url = h.canonical_url('changeset_home', repo_name=c.db_repo.repo_name,
                    revision=cs.raw_id)
@@ -102,7 +101,7 @@ class FeedController(BaseRepoController)
         desc_msg.extend(changes)
         if str2bool(CONFIG.get('rss_include_diff', False)):
             desc_msg.append('\n\n')
-            desc_msg.append(diff_processor.as_raw())
+            desc_msg.append(raw_diff)
         desc_msg.append('</pre>')
         return map(safe_unicode, desc_msg)
 
diff --git a/kallithea/controllers/files.py b/kallithea/controllers/files.py
--- a/kallithea/controllers/files.py
+++ b/kallithea/controllers/files.py
@@ -651,25 +651,22 @@ class FilesController(BaseRepoController
                                 f_path=f_path))
 
         if c.action == 'download':
-            _diff = diffs.get_gitdiff(node1, node2,
+            raw_diff = diffs.get_gitdiff(node1, node2,
                                       ignore_whitespace=ignore_whitespace,
                                       context=line_context)
-            diff = diffs.DiffProcessor(_diff)
-
             diff_name = '%s_vs_%s.diff' % (diff1, diff2)
             response.content_type = 'text/plain'
             response.content_disposition = (
                 'attachment; filename=%s' % diff_name
             )
-            return diff.as_raw()
+            return raw_diff
 
         elif c.action == 'raw':
-            _diff = diffs.get_gitdiff(node1, node2,
+            raw_diff = diffs.get_gitdiff(node1, node2,
                                       ignore_whitespace=ignore_whitespace,
                                       context=line_context)
-            diff = diffs.DiffProcessor(_diff)
             response.content_type = 'text/plain'
-            return diff.as_raw()
+            return raw_diff
 
         else:
             fid = h.FID(diff2, node2.path)
diff --git a/kallithea/lib/diffs.py b/kallithea/lib/diffs.py
--- a/kallithea/lib/diffs.py
+++ b/kallithea/lib/diffs.py
@@ -592,12 +592,6 @@ class DiffProcessor(object):
         self.parsed_diff = parsed
         return parsed
 
-    def as_raw(self):
-        """
-        Returns raw string diff, exactly as it was passed in the first place.
-        """
-        return self._diff
-
     def as_html(self, table_class='code-difftable', line_class='line',
                 old_lineno_class='lineno old', new_lineno_class='lineno new',
                 no_lineno_class='lineno',