diff --git a/firmware/config/boards/prometheus/board.c b/firmware/config/boards/prometheus/board.c
index 36f4d0cdd7..0f87f8007a 100644
--- a/firmware/config/boards/prometheus/board.c
+++ b/firmware/config/boards/prometheus/board.c
@@ -264,28 +264,3 @@ bool mmc_lld_is_write_protected(MMCDriver *mmcp) {
 void boardInit(void) {
 }
 
-/**
- * @brief   Board-specific ADC channel configuration code overrides.
- * @todo    Add your board-specific code, if any.
- */
-void setAdcChannelOverrides(void) {
-}
-
-
-#define PROMETHEUS_LED 13
-
-// BLIIINK!!!!!!!!!!
-void BLIIINK(int t) {
-	int i, j;
-	palSetPadMode(GPIOA, PROMETHEUS_LED, PAL_MODE_OUTPUT_PUSHPULL);
-	//while (true) {
-	for (j = 0; j < 2; j++) {
-		palClearPad(GPIOA, PROMETHEUS_LED);
-    	for (i = 0; i < 2*t; i++) {
-	    	palTogglePad(GPIOA, PROMETHEUS_LED);
-    		chThdSleepMilliseconds(250);
-    	}
-    	chThdSleepMilliseconds(1000);
-    }
-}
-
diff --git a/firmware/config/boards/prometheus/board.mk b/firmware/config/boards/prometheus/board.mk
index 4f39cbf190..f78c85ddec 100644
--- a/firmware/config/boards/prometheus/board.mk
+++ b/firmware/config/boards/prometheus/board.mk
@@ -1,5 +1,7 @@
 # List of all the board related files.
-BOARDSRC = $(PROJECT_DIR)/config/boards/prometheus/board.c
+BOARDSRC = $(PROJECT_DIR)/config/boards/prometheus/board.c \
+    $(PROJECT_DIR)/config/boards/prometheus/board_extra.c
+
 BOARDSRC_CPP = $(PROJECT_DIR)/config/boards/Prometheus/board_configuration.cpp
 
 # Required include directories
diff --git a/firmware/config/boards/prometheus/board_extra.c b/firmware/config/boards/prometheus/board_extra.c
new file mode 100644
index 0000000000..b1c5e4c492
--- /dev/null
+++ b/firmware/config/boards/prometheus/board_extra.c
@@ -0,0 +1,28 @@
+#include "hal.h"
+#include "stm32_gpio.h"
+
+/**
+ * @brief   Board-specific ADC channel configuration code overrides.
+ * @todo    Add your board-specific code, if any.
+ */
+void setAdcChannelOverrides(void) {
+}
+
+
+#define PROMETHEUS_LED 13
+
+// BLIIINK!!!!!!!!!!
+void BLIIINK(int t) {
+	int i, j;
+	palSetPadMode(GPIOA, PROMETHEUS_LED, PAL_MODE_OUTPUT_PUSHPULL);
+	//while (true) {
+	for (j = 0; j < 2; j++) {
+		palClearPad(GPIOA, PROMETHEUS_LED);
+    	for (i = 0; i < 2*t; i++) {
+	    	palTogglePad(GPIOA, PROMETHEUS_LED);
+    		chThdSleepMilliseconds(250);
+    	}
+    	chThdSleepMilliseconds(1000);
+    }
+}
+