diff --git a/keyboards/clueboard/66_hotswap/66_hotswap.h b/keyboards/clueboard/66_hotswap/66_hotswap.h
index 61c6fe359..9367c2633 100644
--- a/keyboards/clueboard/66_hotswap/66_hotswap.h
+++ b/keyboards/clueboard/66_hotswap/66_hotswap.h
@@ -1,10 +1,5 @@
-#ifndef CLUEBOARD_H
-#define CLUEBOARD_H
-
-#include "quantum.h"
+#pragma once
 
 #ifdef KEYBOARD_clueboard_66_hotswap_gen1
     #include "gen1.h"
 #endif
-
-#endif
diff --git a/keyboards/clueboard/66_hotswap/config.h b/keyboards/clueboard/66_hotswap/config.h
index 59a0abc7f..97da92cfd 100644
--- a/keyboards/clueboard/66_hotswap/config.h
+++ b/keyboards/clueboard/66_hotswap/config.h
@@ -15,9 +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 CLUEBOARD_66_CONFIG_H
-#define CLUEBOARD_66_CONFIG_H
-
+#pragma once
 #include "config_common.h"
 
 /* USB Device descriptor parameter */
@@ -47,17 +45,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *  These options are also useful to firmware size reduction.
  */
 
-/* disable debug print */
 //#define NO_DEBUG
-
-/* disable print */
 //#define NO_PRINT
-
-/* disable action features */
 //#define NO_ACTION_LAYER
 //#define NO_ACTION_TAPPING
-//#define NO_ACTION_ONESHOT
-//#define NO_ACTION_MACRO
+#define NO_ACTION_ONESHOT
+#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
-
-#endif
diff --git a/keyboards/clueboard/66_hotswap/gen1/config.h b/keyboards/clueboard/66_hotswap/gen1/config.h
index d8163f538..14188634b 100644
--- a/keyboards/clueboard/66_hotswap/gen1/config.h
+++ b/keyboards/clueboard/66_hotswap/gen1/config.h
@@ -1,6 +1,4 @@
-#ifndef CLUEBOARD_66_REV3_CONFIG_H
-#define CLUEBOARD_66_REV3_CONFIG_H
-
+#pragma once
 #include "config_common.h"
 
 #define PRODUCT_ID      0x2390
@@ -26,7 +24,9 @@
 
 /* Speaker configuration
  */
-//#define SPEAKER_PIN B7 // FIXME: find the correct name for this define
+#define B7_AUDIO
+#define NO_MUSIC_MODE
+#define AUDIO_CLICKY
 
 /* Backlight configuration
  */
@@ -49,5 +49,3 @@
 #define RGBLIGHT_EFFECT_KNIGHT_OFFSET 16   // The led to start at
 #define RGBLIGHT_EFFECT_KNIGHT_LED_NUM 8  // How many LEDs to travel
 #define RGBLIGHT_EFFECT_SNAKE_LENGTH 4    // How many LEDs wide to light up
-
-#endif
diff --git a/keyboards/clueboard/66_hotswap/gen1/gen1.h b/keyboards/clueboard/66_hotswap/gen1/gen1.h
index 293620ac0..2d0a9d397 100644
--- a/keyboards/clueboard/66_hotswap/gen1/gen1.h
+++ b/keyboards/clueboard/66_hotswap/gen1/gen1.h
@@ -1,7 +1,5 @@
-#ifndef gen1_H
-#define gen1_H
-
-#include "66_hotswap.h"
+#pragma once
+#include "quantum.h"
 
 /* Clueboard matrix layout
  * ,-----------------------------------------------------------.  ,---.
@@ -67,5 +65,3 @@
     { k80, k81, k82, k83, KC_NO, k85, k86, KC_NO }, \
     { KC_NO, KC_NO, k92, k93, k94, k95, k96, k97 }  \
 }
-
-#endif
diff --git a/keyboards/clueboard/66_hotswap/gen1/rules.mk b/keyboards/clueboard/66_hotswap/gen1/rules.mk
index 54a2685bf..887592b37 100644
--- a/keyboards/clueboard/66_hotswap/gen1/rules.mk
+++ b/keyboards/clueboard/66_hotswap/gen1/rules.mk
@@ -1 +1,24 @@
-BACKLIGHT_ENABLE = yes
\ No newline at end of file
+EXTRAFLAGS += -flto
+LAYOUTS = 66_ansi
+MCU = atmega32u4
+F_CPU = 16000000
+ARCH = AVR8
+F_USB = $(F_CPU)
+OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
+OPT_DEFS += -DBOOTLOADER_SIZE=4096
+
+# Build Options
+#   comment out to disable the options.
+#
+BACKLIGHT_ENABLE = yes
+BOOTMAGIC_ENABLE = no
+MOUSEKEY_ENABLE = no
+EXTRAKEY_ENABLE = yes
+CONSOLE_ENABLE = yes
+COMMAND_ENABLE = no
+NKRO_ENABLE = yes
+AUDIO_ENABLE = yes
+RGBLIGHT_ENABLE = yes
+MIDI_ENABLE = no
+UNICODE_ENABLE = no
+BLUETOOTH_ENABLE = no
diff --git a/keyboards/clueboard/66_hotswap/readme.md b/keyboards/clueboard/66_hotswap/readme.md
index 2ae46b84c..014c761b0 100644
--- a/keyboards/clueboard/66_hotswap/readme.md
+++ b/keyboards/clueboard/66_hotswap/readme.md
@@ -4,10 +4,10 @@
 
 A fully customizable 66% keyboard with Hot Swap sockets.
 
-* Keyboard Maintainer: [Zach White](https://github.com/skullydazed)   
+* Keyboard Maintainer: [Zach White](https://github.com/skullydazed)
 * Hardware Supported: Clueboard 66% HotSwap PCB
   * 2.9
-* Hardware Availability: [clueboard.co](https://clueboard.co/)   
+* Hardware Availability: [clueboard.co](https://clueboard.co/)
 
 Make example for this keyboard (after setting up your build environment):
 
diff --git a/keyboards/clueboard/66_hotswap/rules.mk b/keyboards/clueboard/66_hotswap/rules.mk
deleted file mode 100644
index 1fc5f89fa..000000000
--- a/keyboards/clueboard/66_hotswap/rules.mk
+++ /dev/null
@@ -1,25 +0,0 @@
-DEFAULT_FOLDER = clueboard/66_hotswap/gen1
-LAYOUTS = 66_ansi
-MCU = atmega32u4
-F_CPU = 16000000
-ARCH = AVR8
-F_USB = $(F_CPU)
-OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
-OPT_DEFS += -DBOOTLOADER_SIZE=4096
-
-# Build Options
-#   comment out to disable the options.
-#
-BOOTMAGIC_ENABLE = no 	# Virtual DIP switch configuration(+1000)
-MOUSEKEY_ENABLE = no	# Mouse keys(+4700)
-EXTRAKEY_ENABLE = yes 	# Audio control and System control(+450)
-CONSOLE_ENABLE = yes	# Console for debug(+400)
-COMMAND_ENABLE = yes	# Commands for debug and configuration
-NKRO_ENABLE = yes	# USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
-AUDIO_ENABLE = no
-RGBLIGHT_ENABLE = yes	# Enable keyboard underlight functionality
-MIDI_ENABLE = no 	# MIDI controls
-UNICODE_ENABLE = no 	# Unicode
-BLUETOOTH_ENABLE = no	# Enable Bluetooth with the Adafruit EZ-Key HID
-
-LAYOUTS = 66_ansi