diff --git a/ampel-firmware/co2_sensor.cpp b/ampel-firmware/co2_sensor.cpp
index cac1c780ca60e84685335b4a8fe70dfed09cb0f7..51cfa3dcb3d07926889fdce6e64deeb6e88b4203 100644
--- a/ampel-firmware/co2_sensor.cpp
+++ b/ampel-firmware/co2_sensor.cpp
@@ -114,16 +114,6 @@ namespace sensor {
         F(" 0/1 (Disables/enables autocalibration)"));
   }
 
-  //NOTE: should timer deviation be used to adjust measurement_timestep?
-  void checkTimerDeviation() {
-    static int32_t previous_measurement_at = 0;
-    int32_t now = millis();
-    Serial.print(F("Measurement time offset : "));
-    Serial.print(now - previous_measurement_at - config::measurement_timestep * 1000);
-    Serial.println(F(" ms."));
-    previous_measurement_at = now;
-  }
-
   bool hasSensorSettled() {
     static uint16_t last_co2 = 0;
     uint16_t delta;
@@ -266,7 +256,6 @@ namespace sensor {
     bool freshData = scd30.dataAvailable();
 
     if (freshData) {
-      // checkTimerDeviation();
       ntp::getLocalTime(timestamp);
       co2 = scd30.getCO2();
       temperature = scd30.getTemperature();