diff --git a/ampel-firmware/co2_sensor.cpp b/ampel-firmware/co2_sensor.cpp
index 51abd95078c04a57a3159842f13a06366769d166..05a391e7d97816626773489c8617a07fd131b793 100644
--- a/ampel-firmware/co2_sensor.cpp
+++ b/ampel-firmware/co2_sensor.cpp
@@ -304,8 +304,6 @@ namespace sensor {
       sensor_S8->set_ABC_period(autoCalibration ? 180 : 0);
       delay(500);
       Serial.println(F(". Done!"));
-    } else {
-
     }
   }