diff --git a/website/src/controllers/groups.js b/website/src/controllers/groups.js
index d73401d394..6883aebef0 100644
--- a/website/src/controllers/groups.js
+++ b/website/src/controllers/groups.js
@@ -81,6 +81,7 @@ api.list = function(req, res, next) {
       Group.find({privacy: 'public'})
         .select(groupFields + ' members')
         .sort(sort)
+        .lean()
         .exec(function(err, groups){
           if (err) return cb(err);
           _.each(groups, function(g){
diff --git a/website/src/models/group.js b/website/src/models/group.js
index e60f2de8e7..d776377488 100644
--- a/website/src/models/group.js
+++ b/website/src/models/group.js
@@ -7,7 +7,6 @@ var logging = require('../logging');
 
 var GroupSchema = new Schema({
   _id: {type: String, 'default': shared.uuid},
-  _isMember: Boolean,
   name: String,
   description: String,
   leader: {type: String, ref: 'User'},