diff --git a/lib/app/schema.js b/lib/app/schema.js
index ae39ebccba..101ee70d5e 100644
--- a/lib/app/schema.js
+++ b/lib/app/schema.js
@@ -21,4 +21,41 @@ module.exports.userSchema = userSchema = {
   rewardIds: []
 };
 
-module.exports.updateSchema = function(model) {};
+module.exports.updateSchema = function(model) {
+  return model.fetch('users', function(err, users) {
+    return _.each(users.get(), function(userObj) {
+      var daysOld, sameTasks, user, userPath;
+      userPath = "users." + userObj._id;
+      user = model.at(userPath);
+      if (userObj.lastCron == null) {
+        model.del(userPath);
+        return;
+      }
+      daysOld = require('./helpers').daysBetween(userObj.lastCron, new Date());
+      if (daysOld > 30) {
+        sameTasks = _.filter(require('./content').defaultTasks, function(defaultTask) {
+          var foundSame;
+          foundSame = _.find(userObj.tasks, function(userTask) {
+            return userTask.text === defaultTask.text;
+          });
+          return foundSame != null;
+        });
+        if (_.size(sameTasks) > 5) {
+          model.del(userPath);
+          return;
+        }
+      }
+      user.set('history', {
+        exp: [],
+        todos: []
+      });
+      return _.each(userObj.tasks, function(taskObj) {
+        var task;
+        task = user.at("tasks." + taskObj.id);
+        if (task.get("history")) {
+          return task.set("history", []);
+        }
+      });
+    });
+  });
+};
diff --git a/src/app/schema.coffee b/src/app/schema.coffee
index 2c6c036b89..e19bd6fb03 100644
--- a/src/app/schema.coffee
+++ b/src/app/schema.coffee
@@ -11,15 +11,33 @@ module.exports.userSchema = userSchema = {
 }  
   
 module.exports.updateSchema = (model) ->
-  # users = model.get('users')
-  # console.log _.size(users), 'users.size before'
-  # for uid,userObj of users
-    # # remove if they don't have a lastCron (older accounts didn't)
-    # unless userObj.lastCron?
-      # model.del "users.#{uid}"
-   
-    # TODO remove all users who's tasks compare directly to require('./content).defaultTasks
-    # and haven't logged in for a week
-    # daysOld = require('./helpers').daysBetween(userObj.lastCron, new Date())
-    
-    
+  # Reset history, remove inactive users
+  model.fetch 'users', (err, users) ->
+    _.each users.get(), (userObj) ->
+      userPath = "users.#{userObj._id}"
+      user = model.at(userPath)
+      
+      # Remove inactive users
+      # remove if they don't have a lastCron (older accounts didn't)
+      unless userObj.lastCron?
+        model.del(userPath)
+        return
+             
+      # Remove all users who haven't logged in for a month
+      daysOld = require('./helpers').daysBetween(userObj.lastCron, new Date())
+      if daysOld > 30
+        # and who have mostly the default tasks
+        sameTasks = _.filter require('./content').defaultTasks, (defaultTask) ->
+          foundSame = _.find userObj.tasks, (userTask) ->
+            userTask.text == defaultTask.text
+          return foundSame?
+        if _.size(sameTasks)>5
+          model.del(userPath)
+          return
+      
+      # Reset all history
+      user.set 'history', {exp:[], todos:[]}
+      _.each userObj.tasks, (taskObj) ->
+        task = user.at "tasks.#{taskObj.id}"
+        if task.get("history")
+          task.set "history", []
\ No newline at end of file