diff --git a/tasmota/my_user_config.h b/tasmota/my_user_config.h
index 45345c771..e1e75e4b1 100644
--- a/tasmota/my_user_config.h
+++ b/tasmota/my_user_config.h
@@ -741,6 +741,9 @@
   #define THERMOSTAT_TEMP_BAND_NO_PEAK_DET      1         // Default temperature band in thenths of degrees celsius within no peak will be detected
   #define THERMOSTAT_TIME_STD_DEV_PEAK_DET_OK   10        // Default standard deviation in minutes of the oscillation periods within the peak detection is successful
 
+// -- Prometheus exporter ---------------------------
+//#define USE_PROMETHEUS                           // Add support for https://prometheus.io/ metrics exporting over HTTP /metrics endpoint
+
 // -- End of general directives -------------------
 
 /*********************************************************************************************\
diff --git a/tasmota/xsns_91_prometheus.ino b/tasmota/xsns_91_prometheus.ino
index 9e29afe75..aa4d02ad4 100644
--- a/tasmota/xsns_91_prometheus.ino
+++ b/tasmota/xsns_91_prometheus.ino
@@ -17,8 +17,6 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-//#define USE_PROMETHEUS                         // Enable retrieval of metrics
-
 #ifdef USE_PROMETHEUS
 /*********************************************************************************************\
  * Prometheus support