diff --git a/ampel-firmware/ampel-firmware.h b/ampel-firmware/ampel-firmware.h
index 670c91d3eed7f9d96b38345a0941fc631182c90a..5c47dec1cc21cbb38963d9f31fe2a08743ea851a 100644
--- a/ampel-firmware/ampel-firmware.h
+++ b/ampel-firmware/ampel-firmware.h
@@ -3,7 +3,6 @@
 /*****************************************************************
  * Libraries                                                     *
  *****************************************************************/
-//TODO: check header dependencies, and simplify if possible.
 #include "config.h"
 #ifndef MEASUREMENT_TIMESTEP
 #  error Missing config.h file. Please copy config.public.h to config.h.
@@ -29,7 +28,6 @@
 
 #include "util.h"
 #include "co2_sensor.h"
-
 #include "led_effects.h"
 
 #if defined(ESP8266)