4 files changed, 22 insertions, 37 deletions
diff --git a/keyboards/hadron/hadron.h b/keyboards/hadron/hadron.h
index c11774729f..349311270e 100644
--- a/keyboards/hadron/hadron.h
+++ b/keyboards/hadron/hadron.h
@@ -1,33 +1,27 @@
-#ifndef HADRON_H
-#define HADRON_H
+#pragma once
 
 #include "quantum.h"
 
-#ifdef KEYBOARD_hadron_ver0
-    #include "ver0.h"
-#endif
-#ifdef KEYBOARD_hadron_ver2
-    #include "ver2.h"
-#endif
-#ifdef KEYBOARD_hadron_ver3
-    #include "ver3.h"
+#if defined(KEYBOARD_hadron_ver0)
+#    include "ver0.h"
+#elif defined(KEYBOARD_hadron_ver2)
+#    include "ver2.h"
+#elif defined(KEYBOARD_hadron_ver3)
+#    include "ver3.h"
 #endif
 
+#define XXX KC_NO
 
 #define LAYOUT( \
-    K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, \
-    K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, K1C, K1D, K1E, \
-    K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, K2C, K2D, K2E, \
-    K30, K31, K32, K33, K34, K35, K36, K37, K38, K39, K3A, K3B, K3C, K3D, K3E, \
-    K40, K41, K42, K43, K44, K45, K46, K47, K48, K49, K4A, K4B, K4C, K4D, K4E \
-  ) \
-{ \
-  {  K00,  K01,  K02,  K03,  K04,  K05,  K06,   K07,   K08,   K09,   K0A,   K0B, KC_NO, KC_NO, KC_NO  },  \
-  {  K10,  K11,  K12,  K13,  K14,  K15,  K16,   K17,   K18,   K19,   K1A,   K1B,   K1C,   K1D,   K1E  },  \
-  {  K20,  K21,  K22,  K23,  K24,  K25,  K26,   K27,   K28,   K29,   K2A,   K2B,   K2C,   K2D,   K2E  },  \
-  {  K30,  K31,  K32,  K33,  K34,  K35,  K36,   K37,   K38,   K39,   K3A,   K3B,   K3C,   K3D,   K3E  },  \
-  {  K40,  K41,  K42,  K43,  K44,  K45,  K46,   K47,   K48,   K49,   K4A,   K4B,   K4C,   K4D,   K4E  }   \
+    k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0A, k0B, \
+    k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1A, k1B, k1C, k1D, k1E, \
+    k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2A, k2B, k2C, k2D, k2E, \
+    k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3A, k3B, k3C, k3D, k3E, \
+    k40, k41, k42, k43, k44, k45, k46, k47, k48, k49, k4A, k4B, k4C, k4D, k4E \
+) { \
+    { k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0A, k0B, XXX, XXX, XXX }, \
+    { k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1A, k1B, k1C, k1D, k1E }, \
+    { k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2A, k2B, k2C, k2D, k2E }, \
+    { k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3A, k3B, k3C, k3D, k3E }, \
+    { k40, k41, k42, k43, k44, k45, k46, k47, k48, k49, k4A, k4B, k4C, k4D, k4E } \
 }
-
-
-#endif
diff --git a/keyboards/hadron/i2c.h b/keyboards/hadron/i2c.h
index 2bd7f40968..7ecf6eb278 100644
--- a/keyboards/hadron/i2c.h
+++ b/keyboards/hadron/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/hadron/ver2/ver2.h b/keyboards/hadron/ver2/ver2.h
index 54e141ffac..e7577d2684 100644
--- a/keyboards/hadron/ver2/ver2.h
+++ b/keyboards/hadron/ver2/ver2.h
@@ -1,6 +1,3 @@
-#ifndef VER2_H
-#define VER2_H
+#pragma once
 
 #include "../hadron.h"
-
-#endif
-\ No newline at end of file
diff --git a/keyboards/hadron/ver3/config.h b/keyboards/hadron/ver3/config.h
index 574dc6b016..87d01726f5 100644
--- a/keyboards/hadron/ver3/config.h
+++ b/keyboards/hadron/ver3/config.h
@@ -15,8 +15,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef REV3_CONFIG_H
-#define REV3_CONFIG_H
+#pragma once
 
 /* USB Device descriptor parameter */
 #define DEVICE_VER 0x0003
@@ -186,5 +185,3 @@
 // #define RGB_MATRIX_KEYPRESSES
 
 #define SOLENOID_PIN A14
-
-#endif