6 files changed, 10 insertions, 19 deletions
diff --git a/keyboards/smithrune/iron165r2/f072/info.json b/keyboards/smithrune/iron165r2/f072/info.json
new file mode 100644
index 0000000000..8bba6f5d5d
--- /dev/null
+++ b/keyboards/smithrune/iron165r2/f072/info.json
@@ -0,0 +1,4 @@
+{
+    "processor": "STM32F072",
+    "bootloader": "stm32-dfu"
+}
diff --git a/keyboards/smithrune/iron165r2/f072/rules.mk b/keyboards/smithrune/iron165r2/f072/rules.mk
index 016b8c2c1e..1b6ec31817 100644
--- a/keyboards/smithrune/iron165r2/f072/rules.mk
+++ b/keyboards/smithrune/iron165r2/f072/rules.mk
@@ -1,9 +1,3 @@
-# MCU name
-MCU = STM32F072
-
-# Bootloader selection
-BOOTLOADER = stm32-dfu
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/smithrune/iron165r2/f411/info.json b/keyboards/smithrune/iron165r2/f411/info.json
new file mode 100644
index 0000000000..8610c8de5f
--- /dev/null
+++ b/keyboards/smithrune/iron165r2/f411/info.json
@@ -0,0 +1,4 @@
+{
+    "processor": "STM32F411",
+    "bootloader": "stm32-dfu"
+}
diff --git a/keyboards/smithrune/iron165r2/f411/rules.mk b/keyboards/smithrune/iron165r2/f411/rules.mk
index 6305fc5a14..3fcdaacb60 100644
--- a/keyboards/smithrune/iron165r2/f411/rules.mk
+++ b/keyboards/smithrune/iron165r2/f411/rules.mk
@@ -1,10 +1,3 @@
-# MCU name
-MCU = STM32F411
-BOARD = GENERIC_STM32_F411XE
-
-# Bootloader selection
-BOOTLOADER = stm32-dfu
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/smithrune/iron180/info.json b/keyboards/smithrune/iron180/info.json
index cd68970641..3092b2021f 100644
--- a/keyboards/smithrune/iron180/info.json
+++ b/keyboards/smithrune/iron180/info.json
@@ -8,6 +8,8 @@
         "pid": "0x1180",
         "device_version": "0.0.1"
     },
+    "processor": "STM32F072",
+    "bootloader": "stm32-dfu",
     "layouts": {
         "LAYOUT_all": {
             "layout": [
diff --git a/keyboards/smithrune/iron180/rules.mk b/keyboards/smithrune/iron180/rules.mk
index da310926f3..837bececdc 100644
--- a/keyboards/smithrune/iron180/rules.mk
+++ b/keyboards/smithrune/iron180/rules.mk
@@ -1,9 +1,3 @@
-# MCU name
-MCU = STM32F072
-
-# Bootloader selection
-BOOTLOADER = stm32-dfu
-
 # Build Options
 #   change yes to no to disable
 #