diff --git a/ghost/core/core/server/models/post-revision.js b/ghost/core/core/server/models/post-revision.js
index 9d5b6bb299..042a825669 100644
--- a/ghost/core/core/server/models/post-revision.js
+++ b/ghost/core/core/server/models/post-revision.js
@@ -4,8 +4,6 @@ const _ = require('lodash');
 const PostRevision = ghostBookshelf.Model.extend({
     tableName: 'post_revisions',
 
-    relationships: ['author'],
-
     author() {
         return this.belongsTo('User', 'author_id');
     },