diff --git a/homeassistant/components/concord232/alarm_control_panel.py b/homeassistant/components/concord232/alarm_control_panel.py
index 661a2beacc000..12981880cdfae 100644
--- a/homeassistant/components/concord232/alarm_control_panel.py
+++ b/homeassistant/components/concord232/alarm_control_panel.py
@@ -138,10 +138,7 @@ def _validate_code(self, code, state):
         """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)