diff --git a/keyboards/jacky_studio/piggy60/rev2/info.json b/keyboards/jacky_studio/piggy60/rev2/info.json
index 50f2849e7382..6d5db8874f73 100644
--- a/keyboards/jacky_studio/piggy60/rev2/info.json
+++ b/keyboards/jacky_studio/piggy60/rev2/info.json
@@ -1,5 +1,4 @@
 {
-    "board": "STM32_F103_STM32DUINO",
     "bootloader": "uf2boot",
     "diode_direction": "ROW2COL",
     "community_layouts": ["60_hhkb", "60_tsangan_hhkb"],
diff --git a/keyboards/ymdk/id75/info.json b/keyboards/ymdk/id75/info.json
index 692ef7e8b754..e30afaf717f8 100644
--- a/keyboards/ymdk/id75/info.json
+++ b/keyboards/ymdk/id75/info.json
@@ -3,7 +3,6 @@
     "keyboard_name": "Idobao x YMDK ID75",
     "maintainer": "qmk",
     "bootloader": "uf2boot",
-    "board": "STM32_F103_STM32DUINO",
     "diode_direction": "ROW2COL",
     "features": {
         "bootmagic": true,
diff --git a/platforms/chibios/bootloader.mk b/platforms/chibios/bootloader.mk
index fc898e769936..5b6edd73ad34 100644
--- a/platforms/chibios/bootloader.mk
+++ b/platforms/chibios/bootloader.mk
@@ -107,6 +107,7 @@ ifeq ($(strip $(BOOTLOADER)), tinyuf2)
 endif
 ifeq ($(strip $(BOOTLOADER)), uf2boot)
     OPT_DEFS += -DBOOTLOADER_UF2BOOT
+    BOARD = STM32_F103_STM32DUINO
     BOOTLOADER_TYPE = uf2boot
     FIRMWARE_FORMAT = uf2
 endif