diff --git a/migrations/20130307_remove_duff_histories.js b/migrations/20130307_remove_duff_histories.js
new file mode 100644
index 0000000000..a8475f6adb
--- /dev/null
+++ b/migrations/20130307_remove_duff_histories.js
@@ -0,0 +1,29 @@
+// mongo habitrpg ./node_modules/underscore/underscore.js ./migrations/20130307_normalize_algo_values.js
+
+/**
+ * Remove duff histories for dailies
+ */
+db.users.find().forEach(function(user){
+
+
+    _.each(user.tasks, function(task, key){
+        // remove task history 
+        if (task.type === "daily") {
+            task.history = []
+        }
+    });
+
+    try {
+        db.users.update(
+            {_id:user._id},
+            {$set:
+                {
+                'tasks' : user.tasks
+                }
+            },
+            {multi:true}
+        );
+    } catch(e) {
+        print(e);
+    }
+})
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