diff --git a/extras/calculatedVariablesUpdate.py b/extras/calculatedVariablesUpdate.py
deleted file mode 100644
index b5758297..00000000
--- a/extras/calculatedVariablesUpdate.py
+++ /dev/null
@@ -1,42 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-
-from pyscada.models import CalculatedVariable
-
-from time import time
-import logging
-
-logger = logging.getLogger(__name__)
-
-
-def startup(self):
-    """
-    write your code startup code here, don't change the name of this function
-    :return:
-    """
-    pass
-
-
-def shutdown(self):
-    """
-    write your code shutdown code here, don't change the name of this function
-    :return:
-    """
-    pass
-
-
-def script(self):
-    """
-    write your code loop code here, don't change the name of this function
-
-    :return:
-    """
-
-    cvs = CalculatedVariable.objects.all()
-    for cv in cvs:
-        if (
-            cv.variable_calculated_fields.active
-            and cv.period in cv.variable_calculated_fields.period_fields.all()
-            and cv.store_variable.active
-        ):
-            cv.check_to_now()