2 files changed, 3 insertions, 3 deletions
diff --git a/keyboards/bastardkb/charybdis/4x6/v2/splinky_3/config.h b/keyboards/bastardkb/charybdis/4x6/v2/splinky_3/config.h
index 8fd108a506..827267d2cf 100644
--- a/keyboards/bastardkb/charybdis/4x6/v2/splinky_3/config.h
+++ b/keyboards/bastardkb/charybdis/4x6/v2/splinky_3/config.h
@@ -31,9 +31,6 @@
 // #define SPLIT_HAND_PIN GP15
 // #define SPLIT_HAND_PIN_LOW_IS_LEFT  // High -> right, Low -> left.
 
-/* serial.c configuration (for split keyboard). */
-#define SOFT_SERIAL_PIN GP1
-
 /* RGB settings. */
 #define RGB_DI_PIN GP0
 
diff --git a/keyboards/bastardkb/charybdis/4x6/v2/splinky_3/info.json b/keyboards/bastardkb/charybdis/4x6/v2/splinky_3/info.json
index a9a58400e9..6931f9e876 100644
--- a/keyboards/bastardkb/charybdis/4x6/v2/splinky_3/info.json
+++ b/keyboards/bastardkb/charybdis/4x6/v2/splinky_3/info.json
@@ -3,6 +3,9 @@
     "usb": {
         "device_version": "2.0.0"
     },
+    "split": {
+        "soft_serial_pin": "GP1"
+    },
     "processor": "RP2040",
     "bootloader": "rp2040"
 }