diff --git a/keyboards/redox/keymaps/default/config.h b/keyboards/redox/keymaps/default/config.h
index 0670bf294fb6..a3ef209a05d9 100644
--- a/keyboards/redox/keymaps/default/config.h
+++ b/keyboards/redox/keymaps/default/config.h
@@ -18,12 +18,10 @@ along with this program. If not, see .
#pragma once
/* Use I2C or Serial, not both */
-
-// #define USE_SERIAL
-#define USE_I2C
+#define USE_SERIAL
+// #define USE_I2C
/* Select hand configuration */
-
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
diff --git a/keyboards/redox/keymaps/finex/config.h b/keyboards/redox/keymaps/finex/config.h
index 9adbcedf49eb..b23342ce0fa0 100644
--- a/keyboards/redox/keymaps/finex/config.h
+++ b/keyboards/redox/keymaps/finex/config.h
@@ -18,12 +18,10 @@ along with this program. If not, see .
#pragma once
/* Use I2C or Serial, not both */
-
#define USE_SERIAL
// #define USE_I2C
/* Select hand configuration */
-
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
diff --git a/keyboards/redox/keymaps/german/config.h b/keyboards/redox/keymaps/german/config.h
index 0eb19ab1ef35..a3ef209a05d9 100644
--- a/keyboards/redox/keymaps/german/config.h
+++ b/keyboards/redox/keymaps/german/config.h
@@ -18,14 +18,12 @@ along with this program. If not, see .
#pragma once
/* Use I2C or Serial, not both */
-
-// #define USE_SERIAL
-#define USE_I2C
+#define USE_SERIAL
+// #define USE_I2C
/* Select hand configuration */
-
-// #define MASTER_LEFT
#define MASTER_LEFT
+// #define MASTER_RIGHT
// #define EE_HANDS
#undef RGBLED_NUM
diff --git a/keyboards/redox/keymaps/italian/config.h b/keyboards/redox/keymaps/italian/config.h
index 0670bf294fb6..a3ef209a05d9 100644
--- a/keyboards/redox/keymaps/italian/config.h
+++ b/keyboards/redox/keymaps/italian/config.h
@@ -18,12 +18,10 @@ along with this program. If not, see .
#pragma once
/* Use I2C or Serial, not both */
-
-// #define USE_SERIAL
-#define USE_I2C
+#define USE_SERIAL
+// #define USE_I2C
/* Select hand configuration */
-
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
diff --git a/keyboards/redox/keymaps/jeherve/config.h b/keyboards/redox/keymaps/jeherve/config.h
index 939d0c8d83d7..b9b67c999f64 100644
--- a/keyboards/redox/keymaps/jeherve/config.h
+++ b/keyboards/redox/keymaps/jeherve/config.h
@@ -17,16 +17,14 @@ along with this program. If not, see .
#pragma once
-/* Use I2C or Serial, not both */
-
/* Change the default tapping toggle value (normally 5) */
#define TAPPING_TOGGLE 2
+/* Use I2C or Serial, not both */
#define USE_SERIAL
//#define USE_I2C
/* Select hand configuration */
-
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
diff --git a/keyboards/redox/rules.mk b/keyboards/redox/rules.mk
index 748d89dcfbd0..c0edb5428b40 100644
--- a/keyboards/redox/rules.mk
+++ b/keyboards/redox/rules.mk
@@ -66,9 +66,7 @@ UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
-RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight.
-SUBPROJECT_rev1 = yes
-USE_I2C = yes
+RGBLIGHT_ENABLE = yes # Enable WS2812 RGB underlight.
SPLIT_KEYBOARD = yes