diff --git a/cpu/esp32/include/adc_arch.h b/cpu/esp32/include/adc_arch.h
index f361c8264ffea09d0066b39467442f6f40ea3bdd..6d9c6c25cccc08a2bff74027a4a242c749cdfbda 100644
--- a/cpu/esp32/include/adc_arch.h
+++ b/cpu/esp32/include/adc_arch.h
@@ -8,11 +8,10 @@
 
 /**
  * @ingroup     cpu_esp32
- * @ingroup     drivers_periph_gpio
  * @{
  *
  * @file
- * @brief       Architecture specific ADC functions ESP32
+ * @brief       Architecture specific ADC functions for ESP32
  *
  * @author      Gunar Schorcht <gunar@schorcht.net>
  * @}
diff --git a/cpu/esp32/include/gpio_arch.h b/cpu/esp32/include/gpio_arch.h
index a170a483c2e0f4866e33de52c7ea270f189ddc30..6867e990cada27db73f55a7935e623d18e24e49d 100644
--- a/cpu/esp32/include/gpio_arch.h
+++ b/cpu/esp32/include/gpio_arch.h
@@ -8,11 +8,10 @@
 
 /**
  * @ingroup     cpu_esp32
- * @ingroup     drivers_periph_gpio
  * @{
  *
  * @file
- * @brief       Architecture specific GPIO functions ESP32
+ * @brief       Architecture specific GPIO functions for ESP32
  *
  * @author      Gunar Schorcht <gunar@schorcht.net>
  * @}