9 files changed, 11 insertions, 36 deletions
diff --git a/quantum/visualizer/common_gfxconf.h b/quantum/visualizer/common_gfxconf.h
index e5bbddbb02..e0735b37d0 100644
--- a/quantum/visualizer/common_gfxconf.h
+++ b/quantum/visualizer/common_gfxconf.h
@@ -19,8 +19,7 @@
  * Please use spaces instead of tabs in this file.
  */
 
-#ifndef COMMON_GFXCONF_H
-#define COMMON_GFXCONF_H
+#pragma once
 
 ///////////////////////////////////////////////////////////////////////////
 // GFX - Compatibility options                                           //
@@ -353,5 +352,3 @@
 #define GMISC_NEED_MATRIXFLOAT2D GFXON
 #define GMISC_NEED_MATRIXFIXED2D GFXOFF
 //#define GMISC_NEED_HITTEST_POLY                      GFXOFF
-
-#endif /* COMMON_GFXCONF_H */
diff --git a/quantum/visualizer/default_animations.h b/quantum/visualizer/default_animations.h
index 51320b8b8a..9accd89774 100644
--- a/quantum/visualizer/default_animations.h
+++ b/quantum/visualizer/default_animations.h
@@ -14,8 +14,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef DEFAULT_ANIMATIONS_H_
-#define DEFAULT_ANIMATIONS_H_
+#pragma once
 
 #include "visualizer.h"
 
@@ -26,5 +25,3 @@ extern keyframe_animation_t default_suspend_animation;
 // An animation for testing and demonstrating the led support, should probably not be used for real world
 // cases
 extern keyframe_animation_t led_test_animation;
-
-#endif /* DEFAULT_ANIMATIONS_H_ */
diff --git a/quantum/visualizer/lcd_backlight.h b/quantum/visualizer/lcd_backlight.h
index 0a1535edf5..4ea5b14639 100644
--- a/quantum/visualizer/lcd_backlight.h
+++ b/quantum/visualizer/lcd_backlight.h
@@ -22,8 +22,8 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 */
 
-#ifndef LCD_BACKLIGHT_H_
-#define LCD_BACKLIGHT_H_
+#pragma once
+
 #include <stdint.h>
 
 // Helper macros for storing hue, staturation and intensity as unsigned integers
@@ -41,5 +41,3 @@ uint8_t lcd_get_backlight_brightness(void);
 
 void lcd_backlight_hal_init(void);
 void lcd_backlight_hal_color(uint16_t r, uint16_t g, uint16_t b);
-
-#endif /* LCD_BACKLIGHT_H_ */
diff --git a/quantum/visualizer/lcd_backlight_keyframes.h b/quantum/visualizer/lcd_backlight_keyframes.h
index bde118449b..88768dd4a5 100644
--- a/quantum/visualizer/lcd_backlight_keyframes.h
+++ b/quantum/visualizer/lcd_backlight_keyframes.h
@@ -14,8 +14,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef QUANTUM_VISUALIZER_LCD_BACKLIGHT_KEYFRAMES_H_
-#define QUANTUM_VISUALIZER_LCD_BACKLIGHT_KEYFRAMES_H_
+#pragma once
 
 #include "visualizer.h"
 
@@ -26,5 +25,3 @@ bool lcd_backlight_keyframe_set_color(keyframe_animation_t* animation, visualize
 
 bool lcd_backlight_keyframe_disable(keyframe_animation_t* animation, visualizer_state_t* state);
 bool lcd_backlight_keyframe_enable(keyframe_animation_t* animation, visualizer_state_t* state);
-
-#endif /* QUANTUM_VISUALIZER_LCD_BACKLIGHT_KEYFRAMES_H_ */
diff --git a/quantum/visualizer/lcd_keyframes.h b/quantum/visualizer/lcd_keyframes.h
index 6346c8643b..b7125e8323 100644
--- a/quantum/visualizer/lcd_keyframes.h
+++ b/quantum/visualizer/lcd_keyframes.h
@@ -14,8 +14,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef QUANTUM_VISUALIZER_LCD_KEYFRAMES_H_
-#define QUANTUM_VISUALIZER_LCD_KEYFRAMES_H_
+#pragma once
 
 #include "visualizer.h"
 
@@ -34,5 +33,3 @@ bool lcd_keyframe_draw_logo(keyframe_animation_t* animation, visualizer_state_t*
 
 bool lcd_keyframe_disable(keyframe_animation_t* animation, visualizer_state_t* state);
 bool lcd_keyframe_enable(keyframe_animation_t* animation, visualizer_state_t* state);
-
-#endif /* QUANTUM_VISUALIZER_LCD_KEYFRAMES_H_ */
diff --git a/quantum/visualizer/led_backlight_keyframes.h b/quantum/visualizer/led_backlight_keyframes.h
index 648f92b915..90153be5eb 100644
--- a/quantum/visualizer/led_backlight_keyframes.h
+++ b/quantum/visualizer/led_backlight_keyframes.h
@@ -22,8 +22,7 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 */
 
-#ifndef LED_BACKLIGHT_KEYFRAMES_H
-#define LED_BACKLIGHT_KEYFRAMES_H
+#pragma once
 
 #include "visualizer.h"
 
@@ -39,5 +38,3 @@ bool led_backlight_keyframe_disable(keyframe_animation_t* animation, visualizer_
 bool led_backlight_keyframe_enable(keyframe_animation_t* animation, visualizer_state_t* state);
 
 extern keyframe_animation_t led_test_animation;
-
-#endif /* LED_KEYFRAMES_H */
diff --git a/quantum/visualizer/resources/resources.h b/quantum/visualizer/resources/resources.h
index 74fd8d2f65..5178fbe55a 100644
--- a/quantum/visualizer/resources/resources.h
+++ b/quantum/visualizer/resources/resources.h
@@ -14,13 +14,10 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef QUANTUM_VISUALIZER_RESOURCES_RESOURCES_H_
-#define QUANTUM_VISUALIZER_RESOURCES_RESOURCES_H_
+#pragma once
 
 #include <stdint.h>
 
 #ifdef LCD_ENABLE
 extern const uint8_t resource_lcd_logo[];
 #endif
-
-#endif /* QUANTUM_VISUALIZER_RESOURCES_RESOURCES_H_ */
diff --git a/quantum/visualizer/visualizer.h b/quantum/visualizer/visualizer.h
index 488d130dec..627c80a305 100644
--- a/quantum/visualizer/visualizer.h
+++ b/quantum/visualizer/visualizer.h
@@ -22,8 +22,8 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 */
 
-#ifndef VISUALIZER_H
-#define VISUALIZER_H
+#pragma once
+
 #include <stdlib.h>
 #include <stdint.h>
 #include <stdbool.h>
@@ -152,5 +152,3 @@ void user_visualizer_suspend(visualizer_state_t* state);
 void initialize_user_visualizer(visualizer_state_t* state);
 // Called when the computer resumes from a suspend
 void user_visualizer_resume(visualizer_state_t* state);
-
-#endif /* VISUALIZER_H */
diff --git a/quantum/visualizer/visualizer_keyframes.h b/quantum/visualizer/visualizer_keyframes.h
index 9ef7653c5e..c92ff16113 100644
--- a/quantum/visualizer/visualizer_keyframes.h
+++ b/quantum/visualizer/visualizer_keyframes.h
@@ -14,13 +14,10 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef QUANTUM_VISUALIZER_VISUALIZER_KEYFRAMES_H_
-#define QUANTUM_VISUALIZER_VISUALIZER_KEYFRAMES_H_
+#pragma once
 
 #include "visualizer.h"
 
 // Some predefined keyframe functions that can be used by the user code
 // Does nothing, useful for adding delays
 bool keyframe_no_operation(keyframe_animation_t* animation, visualizer_state_t* state);
-
-#endif /* QUANTUM_VISUALIZER_VISUALIZER_KEYFRAMES_H_ */