3 files changed, 3 insertions, 7 deletions
diff --git a/keyboards/dumbpad/v3x/info.json b/keyboards/dumbpad/v3x/info.json
index f29108fb39..5aaf2a9564 100644
--- a/keyboards/dumbpad/v3x/info.json
+++ b/keyboards/dumbpad/v3x/info.json
@@ -5,6 +5,8 @@
     "usb": {
         "device_version": "0.1.0"
     },
+    "processor": "atmega32u4",
+    "bootloader": "caterina",
     "layouts": {
         "LAYOUT": {
             "layout": [
diff --git a/keyboards/dumbpad/v3x/rules.mk b/keyboards/dumbpad/v3x/rules.mk
index 832bd6d67f..fb6e41a9c5 100644
--- a/keyboards/dumbpad/v3x/rules.mk
+++ b/keyboards/dumbpad/v3x/rules.mk
@@ -1,9 +1,3 @@
-# MCU name
-MCU = atmega32u4
-
-# Bootloader selection
-BOOTLOADER = caterina
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/dumbpad/v3x/v3x.c b/keyboards/dumbpad/v3x/v3x.c
index 4a8ba12c47..7af3c4e838 100644
--- a/keyboards/dumbpad/v3x/v3x.c
+++ b/keyboards/dumbpad/v3x/v3x.c
@@ -54,7 +54,7 @@ void keyboard_pre_init_kb(void) {
     keyboard_pre_init_user();
 }
 
-void shutdown_user() {
+void shutdown_user(void) {
     // Shutdown LEDs
     writePinLow(LED_00);
     writePinLow(LED_01);