3 files changed, 6 insertions, 10 deletions
diff --git a/keyboards/bastardkb/charybdis/3x5/v2/stemcell/config.h b/keyboards/bastardkb/charybdis/3x5/v2/stemcell/config.h
index a06859b215..0138b9656f 100644
--- a/keyboards/bastardkb/charybdis/3x5/v2/stemcell/config.h
+++ b/keyboards/bastardkb/charybdis/3x5/v2/stemcell/config.h
@@ -32,9 +32,6 @@
 // #define SPLIT_HAND_PIN A0
 // #define SPLIT_HAND_PIN_LOW_IS_LEFT  // High -> right, Low -> left.
 
-/* serial.c configuration (for split keyboard). */
-#define SOFT_SERIAL_PIN D2
-
 /* RGB settings. */
 #define RGB_DI_PIN D3
 #define WS2812_PWM_DRIVER PWMD2
diff --git a/keyboards/bastardkb/charybdis/3x5/v2/stemcell/info.json b/keyboards/bastardkb/charybdis/3x5/v2/stemcell/info.json
index b344c1cbfc..9e1c778cc3 100644
--- a/keyboards/bastardkb/charybdis/3x5/v2/stemcell/info.json
+++ b/keyboards/bastardkb/charybdis/3x5/v2/stemcell/info.json
@@ -2,5 +2,10 @@
     "keyboard_name": "Charybdis Nano (3x5) STeMCell",
     "usb": {
         "device_version": "2.0.0"
-    }
+    },
+    "split": {
+        "soft_serial_pin": "D2"
+    },
+    "processor": "STM32F411",
+    "bootloader": "stm32-dfu"
 }
diff --git a/keyboards/bastardkb/charybdis/3x5/v2/stemcell/rules.mk b/keyboards/bastardkb/charybdis/3x5/v2/stemcell/rules.mk
index e4a9ce289c..3895209c6a 100644
--- a/keyboards/bastardkb/charybdis/3x5/v2/stemcell/rules.mk
+++ b/keyboards/bastardkb/charybdis/3x5/v2/stemcell/rules.mk
@@ -1,8 +1,3 @@
-# MCU name
-MCU = STM32F411
-
-# Bootloader selection
-BOOTLOADER = stm32-dfu
 CONVERT_TO = stemcell
 
 # Build Options
@@ -25,7 +20,6 @@ RGB_MATRIX_ENABLE = yes     # Enable keyboard RGB matrix functionality
 RGB_MATRIX_DRIVER = WS2812
 
 SPLIT_KEYBOARD = yes
-LAYOUTS = split_3x5_3
 
 POINTING_DEVICE_ENABLE = yes # Enable trackball
 POINTING_DEVICE_DRIVER = pmw3360