diff --git a/homeassistant/components/concord232/alarm_control_panel.py b/homeassistant/components/concord232/alarm_control_panel.py
index 661a2beacc0002af176c3a93f720b4a423d8aed7..12981880cdfae576054f72583dac48b76ef76138 100644
--- a/homeassistant/components/concord232/alarm_control_panel.py
+++ b/homeassistant/components/concord232/alarm_control_panel.py
@@ -138,10 +138,7 @@ class Concord232Alarm(AlarmControlPanelEntity):
         """Validate given code."""
         if self._code is None:
             return True
-        if isinstance(self._code, str):
-            alarm_code = self._code
-        else:
-            alarm_code = self._code.render(from_state=self._attr_state, to_state=state)
+        alarm_code = self._code
         check = not alarm_code or code == alarm_code
         if not check:
             _LOGGER.warning("Invalid code given for %s", state)