diff --git a/homeassistant/components/prometheus/__init__.py b/homeassistant/components/prometheus/__init__.py
index 8eeb9325bc0..71d56cda18a 100644
--- a/homeassistant/components/prometheus/__init__.py
+++ b/homeassistant/components/prometheus/__init__.py
@@ -284,15 +284,6 @@ class PrometheusMetrics:
             )
             metric.labels(**self._labels(state)).set(current_temp)
 
-        metric = self._metric(
-            "climate_state", self.prometheus_cli.Gauge, "State of the thermostat (0/1)"
-        )
-        try:
-            value = self.state_as_number(state)
-            metric.labels(**self._labels(state)).set(value)
-        except ValueError:
-            pass
-
     def _handle_sensor(self, state):
         unit = self._unit_string(state.attributes.get(ATTR_UNIT_OF_MEASUREMENT))