5 files changed, 21 insertions, 36 deletions
diff --git a/keyboards/handwired/not_so_minidox/config.h b/keyboards/handwired/not_so_minidox/config.h
index 9d2174b532..de9286eda5 100644
--- a/keyboards/handwired/not_so_minidox/config.h
+++ b/keyboards/handwired/not_so_minidox/config.h
@@ -15,8 +15,7 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef CONFIG_H
-#define CONFIG_H
+#pragma once
 
 #include "config_common.h"
 
@@ -72,5 +71,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_ONESHOT
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
-
-#endif
diff --git a/keyboards/handwired/not_so_minidox/i2c.h b/keyboards/handwired/not_so_minidox/i2c.h
index c15b6bc506..8910e70f10 100644
--- a/keyboards/handwired/not_so_minidox/i2c.h
+++ b/keyboards/handwired/not_so_minidox/i2c.h
@@ -1,5 +1,4 @@
-#ifndef I2C_H
-#define I2C_H
+#pragma once
 
 #include <stdint.h>
 
@@ -45,5 +44,3 @@ extern unsigned char i2c_readNak(void);
 extern unsigned char i2c_read(unsigned char ack);
 
 #define i2c_read(ack)  (ack) ? i2c_readAck() : i2c_readNak();
-
-#endif
diff --git a/keyboards/handwired/not_so_minidox/not_so_minidox.h b/keyboards/handwired/not_so_minidox/not_so_minidox.h
index c24a515e43..7c80dc9b3b 100644
--- a/keyboards/handwired/not_so_minidox/not_so_minidox.h
+++ b/keyboards/handwired/not_so_minidox/not_so_minidox.h
@@ -1,24 +1,21 @@
-#ifndef NOSOTMINIDOX_H
-#define NOSOTMINIDOX_H
-
+#pragma once
 
 #include "quantum.h"
 
-#define LAYOUT( \
-	L00, L01, L02, L03, L04, L05,           R05, R04, R03, R02, R01, R00, \
-	L10, L11, L12, L13, L14, L15,           R15, R14, R13, R12, R11, R10, \
-	L20, L21, L22, L23, L24, L25,           R25, R24, R23, R22, R21, R20, \
-											LT1, LT2, LT3, RT3, RT2, RT1 \
-	) \
-	{ \
-		{ L00, L01, L02, L03, L04, L05 }, \
-		{ L10, L11, L12, L13, L14, L15 }, \
-		{ L20, L21, L22, L23, L24, L25 }, \
-		{ KC_NO, KC_NO, KC_NO, LT1, LT2, LT3 }, \
-		{ R00, R01, R02, R03, R04, R05 }, \
-		{ R10, R11, R12, R13, R14, R15 }, \
-		{ R20, R21, R22, R23, R24, R25 }, \
-		{ KC_NO, KC_NO, KC_NO, RT1, RT2, RT3 }, \
-	}
+#define XXX KC_NO
 
-#endif
+#define LAYOUT( \
+    L00, L01, L02, L03, L04, L05,     R05, R04, R03, R02, R01, R00, \
+    L10, L11, L12, L13, L14, L15,     R15, R14, R13, R12, R11, R10, \
+    L20, L21, L22, L23, L24, L25,     R25, R24, R23, R22, R21, R20, \
+                   LT1, LT2, LT3,     RT3, RT2, RT1 \
+) { \
+    { L00, L01, L02, L03, L04, L05 }, \
+    { L10, L11, L12, L13, L14, L15 }, \
+    { L20, L21, L22, L23, L24, L25 }, \
+    { XXX, XXX, XXX, LT1, LT2, LT3 }, \
+    { R00, R01, R02, R03, R04, R05 }, \
+    { R10, R11, R12, R13, R14, R15 }, \
+    { R20, R21, R22, R23, R24, R25 }, \
+    { XXX, XXX, XXX, RT1, RT2, RT3 } \
+}
diff --git a/keyboards/handwired/not_so_minidox/serial.h b/keyboards/handwired/not_so_minidox/serial.h
index 15fe4db7b4..28fcc56ce7 100644
--- a/keyboards/handwired/not_so_minidox/serial.h
+++ b/keyboards/handwired/not_so_minidox/serial.h
@@ -1,5 +1,4 @@
-#ifndef MY_SERIAL_H
-#define MY_SERIAL_H
+#pragma once
 
 #include "config.h"
 #include <stdbool.h>
@@ -22,5 +21,3 @@ void serial_master_init(void);
 void serial_slave_init(void);
 int serial_update_buffers(void);
 bool serial_slave_data_corrupt(void);
-
-#endif
diff --git a/keyboards/handwired/not_so_minidox/split_util.h b/keyboards/handwired/not_so_minidox/split_util.h
index 595a0659e1..807412cd38 100644
--- a/keyboards/handwired/not_so_minidox/split_util.h
+++ b/keyboards/handwired/not_so_minidox/split_util.h
@@ -1,5 +1,4 @@
-#ifndef SPLIT_KEYBOARD_UTIL_H
-#define SPLIT_KEYBOARD_UTIL_H
+#pragma once
 
 #include <stdbool.h>
 #include "eeconfig.h"
@@ -16,5 +15,3 @@ bool has_usb(void);
 void keyboard_slave_loop(void);
 
 void matrix_master_OLED_init (void);
-
-#endif