diff --git a/firmware/hw_layer/io_pins.cpp b/firmware/hw_layer/io_pins.cpp
index 50130968e8..106941d30e 100644
--- a/firmware/hw_layer/io_pins.cpp
+++ b/firmware/hw_layer/io_pins.cpp
@@ -90,7 +90,7 @@ iomode_t getInputMode(pin_input_mode_e mode) {
 	}
 }
 
-#if HAL_USE_ICU
+#if HAL_USE_ICU || defined(__DOXYGEN__)
 void efiIcuStart(ICUDriver *icup, const ICUConfig *config) {
 	  efiAssertVoid((icup->state == ICU_STOP) || (icup->state == ICU_READY),
 	              "input already used?");
diff --git a/firmware/hw_layer/io_pins.h b/firmware/hw_layer/io_pins.h
index f128fbd351..ab84f47fb7 100644
--- a/firmware/hw_layer/io_pins.h
+++ b/firmware/hw_layer/io_pins.h
@@ -58,7 +58,7 @@ void efiSetPadMode(const char *msg, brain_pin_e pin, iomode_t mode);
 bool efiReadPin(brain_pin_e pin);
 
 iomode_t getInputMode(pin_input_mode_e mode);
-#if HAL_USE_ICU
+#if HAL_USE_ICU || defined(__DOXYGEN__)
 void efiIcuStart(ICUDriver *icup, const ICUConfig *config);
 #endif /* HAL_USE_ICU */
 #endif /* EFI_GPIO_HARDWARE */