diff --git a/python/ycm/client/completion_request.py b/python/ycm/client/completion_request.py
index ae754912..2c2ae455 100644
--- a/python/ycm/client/completion_request.py
+++ b/python/ycm/client/completion_request.py
@@ -48,7 +48,7 @@ class CompletionRequest( BaseRequest ):
     return bool( self._response_future ) and self._response_future.done()
 
 
-  def RawResponse( self ):
+  def _RawResponse( self ):
     if not self._response_future:
       return NO_COMPLETIONS
 
@@ -71,7 +71,7 @@ class CompletionRequest( BaseRequest ):
 
 
   def Response( self ):
-    response = self.RawResponse()
+    response = self._RawResponse()
     response[ 'completions' ] = _ConvertCompletionDatasToVimDatas(
         response[ 'completions' ] )
     return response
@@ -96,11 +96,11 @@ class CompletionRequest( BaseRequest ):
     # completed item and the list of completions. Sometimes this returns
     # multiple possibilities, which is essentially unresolvable.
     if 'user_data' not in completed_item:
-      completions = self.RawResponse()[ 'completions' ]
+      completions = self._RawResponse()[ 'completions' ]
       return _FilterToMatchingCompletions( completed_item, completions )
 
     if completed_item[ 'user_data' ]:
-      completions = self.RawResponse()[ 'completions' ]
+      completions = self._RawResponse()[ 'completions' ]
       return [ completions[ int( completed_item[ 'user_data' ] ) ] ]
 
     return []
diff --git a/python/ycm/client/omni_completion_request.py b/python/ycm/client/omni_completion_request.py
index d27243cc..397ba212 100644
--- a/python/ycm/client/omni_completion_request.py
+++ b/python/ycm/client/omni_completion_request.py
@@ -39,15 +39,6 @@ class OmniCompletionRequest( CompletionRequest ):
     return True
 
 
-  def RawResponse( self ):
-    return {
-      'line': self.request_data[ 'line_num' ],
-      'column': self.request_data[ 'column_num' ],
-      'completion_start_column': self.request_data[ 'start_column' ],
-      'completions': _ConvertVimDatasToCompletionDatas( self._results )
-    }
-
-
   def Response( self ):
     return {
       'line': self.request_data[ 'line_num' ],
@@ -57,24 +48,5 @@ class OmniCompletionRequest( CompletionRequest ):
     }
 
 
-def ConvertVimDataToCompletionData( vim_data ):
-  # see :h complete-items for a description of the dictionary fields
-  completion_data = {}
-
-  if 'word' in vim_data:
-    completion_data[ 'insertion_text' ] = vim_data[ 'word' ]
-  if 'abbr' in vim_data:
-    completion_data[ 'menu_text' ] = vim_data[ 'abbr' ]
-  if 'menu' in vim_data:
-    completion_data[ 'extra_menu_info' ] = vim_data[ 'menu' ]
-  if 'kind' in vim_data:
-    completion_data[ 'kind' ] = [ vim_data[ 'kind' ] ]
-  if 'info' in vim_data:
-    completion_data[ 'detailed_info' ] = vim_data[ 'info' ]
-
-  return completion_data
-
-
-def _ConvertVimDatasToCompletionDatas( response_data ):
-  return [ ConvertVimDataToCompletionData( x )
-           for x in response_data ]
+  def OnCompleteDone( self ):
+    pass
diff --git a/python/ycm/tests/client/omni_completion_request_tests.py b/python/ycm/tests/client/omni_completion_request_tests.py
index d4ead04d..39c267b4 100644
--- a/python/ycm/tests/client/omni_completion_request_tests.py
+++ b/python/ycm/tests/client/omni_completion_request_tests.py
@@ -24,7 +24,6 @@ from builtins import *  # noqa
 
 from mock import MagicMock
 from nose.tools import eq_
-from hamcrest import assert_that, has_entries
 
 from ycm.client.omni_completion_request import OmniCompletionRequest
 
@@ -60,31 +59,3 @@ def Response_FromOmniCompleter_test():
     'completion_start_column': 1,
     'completions': results
   } )
-
-
-def RawResponse_ConvertedFromOmniCompleter_test():
-  vim_results = [
-    { "word": "WORD", "abbr": "ABBR", "menu": "MENU",
-      "kind": "KIND", "info": "INFO" },
-    { "word": "WORD2", "abbr": "ABBR2", "menu": "MENU2",
-      "kind": "KIND2", "info": "INFO" },
-    { "word": "WORD", "abbr": "ABBR", },
-    {},
-  ]
-  expected_results = [
-    has_entries( { "insertion_text": "WORD", "menu_text": "ABBR",
-                   "extra_menu_info": "MENU", "kind": [ "KIND" ],
-                   "detailed_info": "INFO" } ),
-    has_entries( { "insertion_text": "WORD2", "menu_text": "ABBR2",
-                   "extra_menu_info": "MENU2", "kind": [ "KIND2" ],
-                   "detailed_info": "INFO" } ),
-    has_entries( { "insertion_text": "WORD", "menu_text": "ABBR", } ),
-    has_entries( {} ),
-  ]
-  request = BuildOmnicompletionRequest( vim_results )
-
-  results = request.RawResponse()[ 'completions' ]
-
-  eq_( len( results ), len( expected_results ) )
-  for result, expected_result in zip( results, expected_results ):
-    assert_that( result, expected_result )
diff --git a/python/ycm/tests/postcomplete_test.py b/python/ycm/tests/postcomplete_test.py
index f4fc9b6c..e1ee2623 100644
--- a/python/ycm/tests/postcomplete_test.py
+++ b/python/ycm/tests/postcomplete_test.py
@@ -36,6 +36,7 @@ from ycmd.utils import ToBytes
 from ycm.client.completion_request import ( CompletionRequest,
                                             _FilterToMatchingCompletions,
                                             _GetRequiredNamespaceImport )
+from ycm.client.omni_completion_request import OmniCompletionRequest
 
 
 def CompleteItemIs( word, abbr = None, menu = None,
@@ -127,7 +128,7 @@ def _SetUpCompleteDone( completions ):
   with patch( 'ycm.vimsupport.TextBeforeCursor', return_value = '   Test' ):
     request = CompletionRequest( None )
     request.Done = MagicMock( return_value = True )
-    request.RawResponse = MagicMock( return_value = {
+    request._RawResponse = MagicMock( return_value = {
       'completions': completions
     } )
     yield request
@@ -166,6 +167,17 @@ def OnCompleteDone_NoFixItIfNotDone_test( *args ):
   request._OnCompleteDone_FixIt.assert_not_called()
 
 
+@patch( 'ycm.vimsupport.CurrentFiletypes', return_value = [ 'ycmtest' ] )
+def OnCompleteDone_NoFixItForOmnifunc_test( *args ):
+  request = OmniCompletionRequest( 'omnifunc', None )
+  request.Done = MagicMock( return_value = True )
+  request._OnCompleteDone_Csharp = MagicMock()
+  request._OnCompleteDone_FixIt = MagicMock()
+  request.OnCompleteDone()
+  request._OnCompleteDone_Csharp.assert_not_called()
+  request._OnCompleteDone_FixIt.assert_not_called()
+
+
 def FilterToCompletedCompletions_MatchIsReturned_test():
   completions = [ BuildCompletion( insertion_text = 'Test' ) ]
   result = _FilterToMatchingCompletions( CompleteItemIs( 'Test' ), completions )