5 files changed, 6 insertions, 5 deletions
diff --git a/keyboards/smithrune/iron165r2/f072/config.h b/keyboards/smithrune/iron165r2/f072/config.h
index 502f5d6add..28ab38b25e 100644
--- a/keyboards/smithrune/iron165r2/f072/config.h
+++ b/keyboards/smithrune/iron165r2/f072/config.h
@@ -23,8 +23,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define BACKLIGHT_PAL_MODE      1
 #define BACKLIGHT_LEVELS 20
 #define BACKLIGHT_BREATHING
-#define BREATHING_PERIOD 5
-#define BACKLIGHT_ON_STATE 1
 
 #define RGB_DI_PIN B15
 #define RGBLED_NUM 22
diff --git a/keyboards/smithrune/iron165r2/f072/info.json b/keyboards/smithrune/iron165r2/f072/info.json
index 8bba6f5d5d..46539afa5c 100644
--- a/keyboards/smithrune/iron165r2/f072/info.json
+++ b/keyboards/smithrune/iron165r2/f072/info.json
@@ -1,4 +1,7 @@
 {
+    "backlight": {
+        "breathing_period": 5
+    },
     "processor": "STM32F072",
     "bootloader": "stm32-dfu"
 }
diff --git a/keyboards/smithrune/iron165r2/f411/config.h b/keyboards/smithrune/iron165r2/f411/config.h
index af8b46531c..832c40e1cc 100644
--- a/keyboards/smithrune/iron165r2/f411/config.h
+++ b/keyboards/smithrune/iron165r2/f411/config.h
@@ -23,8 +23,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define BACKLIGHT_PAL_MODE      2
 #define BACKLIGHT_LEVELS 20
 #define BACKLIGHT_BREATHING
-#define BREATHING_PERIOD 5
-#define BACKLIGHT_ON_STATE 1
 
 #define RGB_DI_PIN B15
 #define RGBLED_NUM 22
diff --git a/keyboards/smithrune/iron165r2/f411/info.json b/keyboards/smithrune/iron165r2/f411/info.json
index 8610c8de5f..3a92574123 100644
--- a/keyboards/smithrune/iron165r2/f411/info.json
+++ b/keyboards/smithrune/iron165r2/f411/info.json
@@ -1,4 +1,7 @@
 {
+    "backlight": {
+        "breathing_period": 5
+    },
     "processor": "STM32F411",
     "bootloader": "stm32-dfu"
 }
diff --git a/keyboards/smithrune/iron180/config.h b/keyboards/smithrune/iron180/config.h
index 67763babba..bec408edc8 100644
--- a/keyboards/smithrune/iron180/config.h
+++ b/keyboards/smithrune/iron180/config.h
@@ -27,7 +27,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define BACKLIGHT_PAL_MODE      1
 #define BACKLIGHT_LEVELS 6
 #define BACKLIGHT_BREATHING
-#define BREATHING_PERIOD 6
 
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE