diff --git a/doc/api/notes.md b/doc/api/notes.md
index c683cb883d4..ee2f9fa0eac 100644
--- a/doc/api/notes.md
+++ b/doc/api/notes.md
@@ -31,10 +31,7 @@ Parameters:
       "state": "active",
       "created_at": "2013-09-30T13:46:01Z"
     },
-    "created_at": "2013-10-02T09:22:45Z",
-    "system": true,
-    "upvote": false,
-    "downvote": false
+    "created_at": "2013-10-02T09:22:45Z"
   },
   {
     "id": 305,
@@ -48,10 +45,7 @@ Parameters:
       "state": "active",
       "created_at": "2013-09-30T13:46:01Z"
     },
-    "created_at": "2013-10-02T09:56:03Z",
-    "system": false,
-    "upvote": false,
-    "downvote": false
+    "created_at": "2013-10-02T09:56:03Z"
   }
 ]
 ```
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index 27d60e881ec..31202fa8c1f 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -190,9 +190,6 @@ module API
       expose :attachment_identifier, as: :attachment
       expose :author, using: Entities::UserBasic
       expose :created_at
-      expose :system
-      expose :upvote?, as: :upvote
-      expose :downvote?, as: :downvote
     end
 
     class MRNote < Grape::Entity