2 files changed, 3 insertions, 7 deletions
diff --git a/keyboards/25keys/aleth42/rev0/info.json b/keyboards/25keys/aleth42/rev0/info.json
index 5baab67dba..acb5cc5855 100644
--- a/keyboards/25keys/aleth42/rev0/info.json
+++ b/keyboards/25keys/aleth42/rev0/info.json
@@ -1,5 +1,7 @@
 {
     "usb": {
         "device_version": "0.0.0"
-    }
+    },
+    "processor": "atmega32u2",
+    "bootloader": "atmel-dfu"
 }
diff --git a/keyboards/25keys/aleth42/rev0/rules.mk b/keyboards/25keys/aleth42/rev0/rules.mk
index fd5789116d..e0954e7355 100644
--- a/keyboards/25keys/aleth42/rev0/rules.mk
+++ b/keyboards/25keys/aleth42/rev0/rules.mk
@@ -1,9 +1,3 @@
-# MCU name
-MCU = atmega32u2
-
-# Bootloader selection
-BOOTLOADER = atmel-dfu
-
 # Build Options
 #   change yes to no to disable
 #