diff --git a/website/src/controllers/groups.js b/website/src/controllers/groups.js
index 12a0893ca6..ef9ccad7e6 100644
--- a/website/src/controllers/groups.js
+++ b/website/src/controllers/groups.js
@@ -1,3 +1,4 @@
+'use strict';
 // @see ../routes for routing
 
 function clone(a) {
@@ -195,7 +196,7 @@ api.create = function(req, res, next) {
       group = user = null;
     });
 
-  }else{
+  } else{
     async.waterfall([
       function(cb){
         Group.findOne({type:'party',members:{$in:[user._id]}},cb);
@@ -210,6 +211,7 @@ api.create = function(req, res, next) {
     ], function(err, populated){
       if (err == 'Already in a party, try refreshing.') return res.json(400,{err:err});
       if (err) return next(err);
+      group = user = null;
       return res.json(populated);
     })
   }
@@ -284,7 +286,8 @@ api.postChat = function(req, res, next) {
 
     group.save(function(err, saved){
       if (err) return next(err);
-      return chatUpdated ? res.json({chat: group.chat}) : res.json({message: saved.chat[0]});
+      chatUpdated ? res.json({chat: group.chat}) : res.json({message: saved.chat[0]});
+      group = chatUpdated = null;
     });
   }
 }
@@ -304,7 +307,8 @@ api.deleteChatMessage = function(req, res, next){
 
   Group.update({_id:group._id}, {$pull:{chat:{id: req.params.messageId}}}, function(err){
     if(err) return next(err);
-    return chatUpdated ? res.json({chat: group.chat}) : res.send(204);
+    chatUpdated ? res.json({chat: group.chat}) : res.send(204);
+    group = chatUpdated = null;
   });
 }
 
@@ -546,6 +550,7 @@ api.leave = function(req, res, next) {
     }
   ],function(err){
     if (err) return next(err);
+    user = group = keep = null;
     return res.send(204);
   })
 }
@@ -782,6 +787,7 @@ api.removeMember = function(req, res, next){
 
     });
   }else{
+    group = uuid = null;
     return res.json(400, {err: "User not found among group's members!"});
   }
 }
@@ -790,7 +796,7 @@ api.removeMember = function(req, res, next){
 // Quests
 // ------------------------------------
 
-questStart = function(req, res, next) {
+function questStart(req, res, next) {
   var group = res.locals.group;
   var force = req.query.force;