4 files changed, 6 insertions, 10 deletions
diff --git a/keyboards/marksard/rhymestone/rev1/config.h b/keyboards/marksard/rhymestone/rev1/config.h
index 6d66754590..9cc003be13 100644
--- a/keyboards/marksard/rhymestone/rev1/config.h
+++ b/keyboards/marksard/rhymestone/rev1/config.h
@@ -34,11 +34,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW, ROW2COL*/
 #define DIODE_DIRECTION COL2ROW
 
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
- */
-#define SOFT_SERIAL_PIN D2  // or D1, D2, D3, E6
-
 #define RGB_DI_PIN D3
 
 #ifdef RGBLIGHT_ENABLE
diff --git a/keyboards/marksard/rhymestone/rev1/info.json b/keyboards/marksard/rhymestone/rev1/info.json
index a8b3c790ed..6d68519512 100644
--- a/keyboards/marksard/rhymestone/rev1/info.json
+++ b/keyboards/marksard/rhymestone/rev1/info.json
@@ -8,6 +8,9 @@
         "pid": "0xDFA1",
         "device_version": "0.2.0"
     },
+    "split": {
+        "soft_serial_pin": "D2"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "community_layouts": ["ortho_4x10"],
diff --git a/keyboards/marksard/treadstone48/rev1/config.h b/keyboards/marksard/treadstone48/rev1/config.h
index 5a9dd3d748..505548a75d 100644
--- a/keyboards/marksard/treadstone48/rev1/config.h
+++ b/keyboards/marksard/treadstone48/rev1/config.h
@@ -34,11 +34,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW, ROW2COL*/
 #define DIODE_DIRECTION COL2ROW
 
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
- */
-#define SOFT_SERIAL_PIN D2  // or D1, D2, D3, E6
-
 #define RGB_DI_PIN D3
 #ifdef RGB_DI_PIN
   #ifndef RS_EXTRA_LED
diff --git a/keyboards/marksard/treadstone48/rev1/info.json b/keyboards/marksard/treadstone48/rev1/info.json
index a17d9ab0a2..2c589cac51 100644
--- a/keyboards/marksard/treadstone48/rev1/info.json
+++ b/keyboards/marksard/treadstone48/rev1/info.json
@@ -8,6 +8,9 @@
     "pid": "0xDFA3",
     "device_version": "0.1.0"
   },
+  "split": {
+    "soft_serial_pin": "D2"
+  },
   "processor": "atmega32u4",
   "bootloader": "caterina",
   "layouts": {