diff --git a/quantum/action_layer.h b/quantum/action_layer.h
index ff783bb3e7f..a2410d49a5e 100644
--- a/quantum/action_layer.h
+++ b/quantum/action_layer.h
@@ -20,6 +20,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <stdint.h>
 #include "keyboard.h"
 #include "action.h"
+#include "bitwise.h"
 
 #ifdef DYNAMIC_KEYMAP_ENABLE
 #    ifndef DYNAMIC_KEYMAP_LAYER_COUNT
diff --git a/quantum/midi/qmk_midi.c b/quantum/midi/qmk_midi.c
index f6a5d922812..688259784c4 100644
--- a/quantum/midi/qmk_midi.c
+++ b/quantum/midi/qmk_midi.c
@@ -5,6 +5,10 @@
 #include "usb_descriptor.h"
 #include "process_midi.h"
 
+#ifdef AUDIO_ENABLE
+#    include "audio.h"
+#endif
+
 /*******************************************************************************
  * MIDI
  ******************************************************************************/
diff --git a/quantum/process_keycode/process_audio.h b/quantum/process_keycode/process_audio.h
index 42cfab4af27..c80136f2c2d 100644
--- a/quantum/process_keycode/process_audio.h
+++ b/quantum/process_keycode/process_audio.h
@@ -1,5 +1,9 @@
 #pragma once
 
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
+
 float compute_freq_for_midi_note(uint8_t note);
 
 bool process_audio(uint16_t keycode, keyrecord_t *record);
diff --git a/quantum/process_keycode/process_auto_shift.c b/quantum/process_keycode/process_auto_shift.c
index 63e893fc187..9b78214e438 100644
--- a/quantum/process_keycode/process_auto_shift.c
+++ b/quantum/process_keycode/process_auto_shift.c
@@ -14,27 +14,28 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifdef AUTO_SHIFT_ENABLE
-
-#    include <stdbool.h>
-#    include "process_auto_shift.h"
-
-#    ifndef AUTO_SHIFT_DISABLED_AT_STARTUP
-#        define AUTO_SHIFT_STARTUP_STATE true /* enabled */
-#    else
-#        define AUTO_SHIFT_STARTUP_STATE false /* disabled */
-#    endif
+#include "process_auto_shift.h"
+#include "quantum.h"
+#include "action_util.h"
+#include "timer.h"
+#include "keycodes.h"
+
+#ifndef AUTO_SHIFT_DISABLED_AT_STARTUP
+#    define AUTO_SHIFT_STARTUP_STATE true /* enabled */
+#else
+#    define AUTO_SHIFT_STARTUP_STATE false /* disabled */
+#endif
 
 // Stores the last Auto Shift key's up or down time, for evaluation or keyrepeat.
 static uint16_t autoshift_time = 0;
-#    if defined(RETRO_SHIFT) && !defined(NO_ACTION_TAPPING)
+#if defined(RETRO_SHIFT) && !defined(NO_ACTION_TAPPING)
 // Stores the last key's up or down time, to replace autoshift_time so that Tap Hold times are accurate.
 static uint16_t retroshift_time = 0;
 // Stores a possibly Retro Shift key's up or down time, as retroshift_time needs
 // to be set before the Retro Shift key is evaluated if it is interrupted by an
 // Auto Shifted key.
 static uint16_t last_retroshift_time;
-#    endif
+#endif
 static uint16_t    autoshift_timeout = AUTO_SHIFT_TIMEOUT;
 static uint16_t    autoshift_lastkey = KC_NO;
 static keyrecord_t autoshift_lastrecord;
@@ -68,23 +69,23 @@ __attribute__((weak)) bool get_custom_auto_shifted_key(uint16_t keycode, keyreco
 /** \brief Called on physical press, returns whether is Auto Shift key */
 __attribute__((weak)) bool get_auto_shifted_key(uint16_t keycode, keyrecord_t *record) {
     switch (keycode) {
-#    ifndef NO_AUTO_SHIFT_ALPHA
+#ifndef NO_AUTO_SHIFT_ALPHA
         case AUTO_SHIFT_ALPHA:
-#    endif
-#    ifndef NO_AUTO_SHIFT_NUMERIC
+#endif
+#ifndef NO_AUTO_SHIFT_NUMERIC
         case AUTO_SHIFT_NUMERIC:
-#    endif
-#    ifndef NO_AUTO_SHIFT_SPECIAL
-#        ifndef NO_AUTO_SHIFT_TAB
+#endif
+#ifndef NO_AUTO_SHIFT_SPECIAL
+#    ifndef NO_AUTO_SHIFT_TAB
         case KC_TAB:
-#        endif
-#        ifndef NO_AUTO_SHIFT_SYMBOLS
+#    endif
+#    ifndef NO_AUTO_SHIFT_SYMBOLS
         case AUTO_SHIFT_SYMBOLS:
-#        endif
 #    endif
-#    ifdef AUTO_SHIFT_ENTER
+#endif
+#ifdef AUTO_SHIFT_ENTER
         case KC_ENT:
-#    endif
+#endif
             return true;
     }
     return get_custom_auto_shifted_key(keycode, record);
@@ -130,9 +131,9 @@ bool get_autoshift_shift_state(uint16_t keycode) {
 /** \brief Restores the shift key if it was cancelled by Auto Shift */
 static void autoshift_flush_shift(void) {
     autoshift_flags.holding_shift = false;
-#    ifdef CAPS_WORD_ENABLE
+#ifdef CAPS_WORD_ENABLE
     if (!is_caps_word_on())
-#    endif // CAPS_WORD_ENABLE
+#endif // CAPS_WORD_ENABLE
     {
         del_weak_mods(MOD_BIT(KC_LSFT));
     }
@@ -154,26 +155,26 @@ static void autoshift_flush_shift(void) {
 static bool autoshift_press(uint16_t keycode, uint16_t now, keyrecord_t *record) {
     // clang-format off
     if ((get_mods()
-#    if !defined(NO_ACTION_ONESHOT) && !defined(NO_ACTION_TAPPING)
+#if !defined(NO_ACTION_ONESHOT) && !defined(NO_ACTION_TAPPING)
             | get_oneshot_mods()
-#    endif
+#endif
         ) & (~MOD_BIT(KC_LSFT))
     ) {
         // clang-format on
         // Prevents keyrepeating unshifted value of key after using it in a key combo.
         autoshift_lastkey = KC_NO;
-#    ifndef AUTO_SHIFT_MODIFIERS
+#ifndef AUTO_SHIFT_MODIFIERS
         // We can't return true here anymore because custom unshifted values are
         // possible and there's no good way to tell whether the press returned
         // true upon release.
         set_autoshift_shift_state(keycode, false);
         autoshift_press_user(keycode, false, record);
-#        if !defined(NO_ACTION_ONESHOT) && !defined(NO_ACTION_TAPPING)
+#    if !defined(NO_ACTION_ONESHOT) && !defined(NO_ACTION_TAPPING)
         set_oneshot_mods(get_oneshot_mods() & (~MOD_BIT(KC_LSFT)));
         clear_oneshot_layer_state(ONESHOT_OTHER_KEY_PRESSED);
-#        endif
-        return false;
 #    endif
+        return false;
+#endif
     }
 
     // Store record to be sent to user functions if there's no release record then.
@@ -181,19 +182,19 @@ static bool autoshift_press(uint16_t keycode, uint16_t now, keyrecord_t *record)
     autoshift_lastrecord.event.pressed = false;
     autoshift_lastrecord.event.time    = 0;
     // clang-format off
-#    if defined(AUTO_SHIFT_REPEAT) || defined(AUTO_SHIFT_REPEAT_PER_KEY)
+#if defined(AUTO_SHIFT_REPEAT) || defined(AUTO_SHIFT_REPEAT_PER_KEY)
     if (keycode == autoshift_lastkey &&
-#        ifdef AUTO_SHIFT_REPEAT_PER_KEY
+#    ifdef AUTO_SHIFT_REPEAT_PER_KEY
         get_auto_shift_repeat(autoshift_lastkey, record) &&
-#        endif
-#        if !defined(AUTO_SHIFT_NO_AUTO_REPEAT) || defined(AUTO_SHIFT_NO_AUTO_REPEAT_PER_KEY)
+#    endif
+#    if !defined(AUTO_SHIFT_NO_AUTO_REPEAT) || defined(AUTO_SHIFT_NO_AUTO_REPEAT_PER_KEY)
         (
             !autoshift_flags.lastshifted
-#            ifdef AUTO_SHIFT_NO_AUTO_REPEAT_PER_KEY
+#        ifdef AUTO_SHIFT_NO_AUTO_REPEAT_PER_KEY
             || get_auto_shift_no_auto_repeat(autoshift_lastkey, record)
-#            endif
-        ) &&
 #        endif
+        ) &&
+#    endif
         TIMER_DIFF_16(now, autoshift_time) < GET_TAPPING_TERM(autoshift_lastkey, record)
     ) {
         // clang-format on
@@ -210,23 +211,23 @@ static bool autoshift_press(uint16_t keycode, uint16_t now, keyrecord_t *record)
         autoshift_press_user(autoshift_lastkey, autoshift_flags.lastshifted, record);
         return false;
     }
-#    endif
+#endif
 
     // Use physical shift state of press event to be more like normal typing.
-#    if !defined(NO_ACTION_ONESHOT) && !defined(NO_ACTION_TAPPING)
+#if !defined(NO_ACTION_ONESHOT) && !defined(NO_ACTION_TAPPING)
     autoshift_flags.lastshifted = (get_mods() | get_oneshot_mods()) & MOD_BIT(KC_LSFT);
     set_oneshot_mods(get_oneshot_mods() & (~MOD_BIT(KC_LSFT)));
-#    else
+#else
     autoshift_flags.lastshifted = get_mods() & MOD_BIT(KC_LSFT);
-#    endif
+#endif
     // Record the keycode so we can simulate it later.
     autoshift_lastkey           = keycode;
     autoshift_time              = now;
     autoshift_flags.in_progress = true;
 
-#    if !defined(NO_ACTION_ONESHOT) && !defined(NO_ACTION_TAPPING)
+#if !defined(NO_ACTION_ONESHOT) && !defined(NO_ACTION_TAPPING)
     clear_oneshot_layer_state(ONESHOT_OTHER_KEY_PRESSED);
-#    endif
+#endif
     return false;
 }
 
@@ -247,11 +248,11 @@ static void autoshift_end(uint16_t keycode, uint16_t now, bool matrix_trigger, k
         autoshift_flags.lastshifted =
             autoshift_flags.lastshifted
             || TIMER_DIFF_16(now, autoshift_time) >=
-#    ifdef AUTO_SHIFT_TIMEOUT_PER_KEY
+#ifdef AUTO_SHIFT_TIMEOUT_PER_KEY
                 get_autoshift_timeout(autoshift_lastkey, record)
-#    else
+#else
                 autoshift_timeout
-#    endif
+#endif
         ;
         // clang-format on
         set_autoshift_shift_state(autoshift_lastkey, autoshift_flags.lastshifted);
@@ -266,23 +267,23 @@ static void autoshift_end(uint16_t keycode, uint16_t now, bool matrix_trigger, k
         autoshift_press_user(autoshift_lastkey, autoshift_flags.lastshifted, record);
 
         // clang-format off
-#    if (defined(AUTO_SHIFT_REPEAT) || defined(AUTO_SHIFT_REPEAT_PER_KEY)) && (!defined(AUTO_SHIFT_NO_AUTO_REPEAT) || defined(AUTO_SHIFT_NO_AUTO_REPEAT_PER_KEY))
+#if (defined(AUTO_SHIFT_REPEAT) || defined(AUTO_SHIFT_REPEAT_PER_KEY)) && (!defined(AUTO_SHIFT_NO_AUTO_REPEAT) || defined(AUTO_SHIFT_NO_AUTO_REPEAT_PER_KEY))
         if (matrix_trigger
-#        ifdef AUTO_SHIFT_REPEAT_PER_KEY
+#    ifdef AUTO_SHIFT_REPEAT_PER_KEY
             && get_auto_shift_repeat(autoshift_lastkey, record)
-#        endif
-#        ifdef AUTO_SHIFT_NO_AUTO_REPEAT_PER_KEY
+#    endif
+#    ifdef AUTO_SHIFT_NO_AUTO_REPEAT_PER_KEY
             && !get_auto_shift_no_auto_repeat(autoshift_lastkey, record)
-#        endif
+#    endif
         ) {
             // Prevents release.
             return;
         }
-#    endif
+#endif
         // clang-format on
-#    if TAP_CODE_DELAY > 0
+#if TAP_CODE_DELAY > 0
         wait_ms(TAP_CODE_DELAY);
-#    endif
+#endif
 
         autoshift_release_user(autoshift_lastkey, autoshift_flags.lastshifted, record);
         autoshift_flush_shift();
@@ -310,11 +311,11 @@ void autoshift_matrix_scan(void) {
     if (autoshift_flags.in_progress) {
         const uint16_t now = timer_read();
         if (TIMER_DIFF_16(now, autoshift_time) >=
-#    ifdef AUTO_SHIFT_TIMEOUT_PER_KEY
+#ifdef AUTO_SHIFT_TIMEOUT_PER_KEY
             get_autoshift_timeout(autoshift_lastkey, &autoshift_lastrecord)
-#    else
+#else
             autoshift_timeout
-#    endif
+#endif
         ) {
             autoshift_end(autoshift_lastkey, now, true, &autoshift_lastrecord);
         }
@@ -335,18 +336,18 @@ void autoshift_disable(void) {
     autoshift_flush_shift();
 }
 
-#    ifndef AUTO_SHIFT_NO_SETUP
+#ifndef AUTO_SHIFT_NO_SETUP
 void autoshift_timer_report(void) {
-#        ifdef SEND_STRING_ENABLE
+#    ifdef SEND_STRING_ENABLE
     const char *autoshift_timeout_str = get_u16_str(autoshift_timeout, ' ');
     // Skip padding spaces
     while (*autoshift_timeout_str == ' ') {
         autoshift_timeout_str++;
     }
     send_string(autoshift_timeout_str);
-#        endif
-}
 #    endif
+}
+#endif
 
 bool get_autoshift_state(void) {
     return autoshift_flags.enabled;
@@ -368,11 +369,11 @@ bool process_auto_shift(uint16_t keycode, keyrecord_t *record) {
     // https://github.com/qmk/qmk_firmware/pull/9826#issuecomment-733559550
     // clang-format off
     const uint16_t now =
-#    if !defined(RETRO_SHIFT) || defined(NO_ACTION_TAPPING)
+#if !defined(RETRO_SHIFT) || defined(NO_ACTION_TAPPING)
         timer_read()
-#    else
+#else
         (record->event.pressed) ? retroshift_time : timer_read()
-#    endif
+#endif
     ;
     // clang-format on
 
@@ -393,7 +394,7 @@ bool process_auto_shift(uint16_t keycode, keyrecord_t *record) {
                 autoshift_disable();
                 break;
 
-#    ifndef AUTO_SHIFT_NO_SETUP
+#ifndef AUTO_SHIFT_NO_SETUP
             case AS_UP:
                 autoshift_timeout += 5;
                 break;
@@ -403,27 +404,27 @@ bool process_auto_shift(uint16_t keycode, keyrecord_t *record) {
             case AS_RPT:
                 autoshift_timer_report();
                 break;
-#    endif
+#endif
         }
             // If Retro Shift is disabled, possible custom actions shouldn't happen.
             // clang-format off
-#   if defined(RETRO_SHIFT) && !defined(NO_ACTION_TAPPING)
-#       ifdef HOLD_ON_OTHER_KEY_PRESS_PER_KEY
+#if defined(RETRO_SHIFT) && !defined(NO_ACTION_TAPPING)
+#    ifdef HOLD_ON_OTHER_KEY_PRESS_PER_KEY
             const bool is_hold_on_interrupt = get_hold_on_other_key_press(keycode, record);
-#       else
+#    else
             const bool is_hold_on_interrupt = false;
-#       endif
-#   endif
+#    endif
+#endif
         if (IS_RETRO(keycode)
-#    if defined(RETRO_SHIFT) && !defined(NO_ACTION_TAPPING)
+#if defined(RETRO_SHIFT) && !defined(NO_ACTION_TAPPING)
             // Not tapped or #defines mean that rolls should use hold action.
             && (
                 record->tap.count == 0
-#        ifdef RETRO_TAPPING_PER_KEY
+#    ifdef RETRO_TAPPING_PER_KEY
                 || !get_retro_tapping(keycode, record)
-#        endif
-                || (record->tap.interrupted && is_hold_on_interrupt))
 #    endif
+                || (record->tap.interrupted && is_hold_on_interrupt))
+#endif
         ) {
             // clang-format on
             autoshift_lastkey = KC_NO;
@@ -439,21 +440,21 @@ bool process_auto_shift(uint16_t keycode, keyrecord_t *record) {
         // tap.count gets set to 0 in process_action
         // clang-format off
         else if (IS_RETRO(keycode)
-#    if defined(RETRO_SHIFT) && !defined(NO_ACTION_TAPPING)
+#if defined(RETRO_SHIFT) && !defined(NO_ACTION_TAPPING)
             && (
                 record->tap.count == 0
-#        ifdef RETRO_TAPPING_PER_KEY
+#    ifdef RETRO_TAPPING_PER_KEY
                 || !get_retro_tapping(keycode, record)
-#        endif
-            )
 #    endif
+            )
+#endif
         ) {
             // Fixes modifiers not being applied to rolls with AUTO_SHIFT_MODIFIERS set.
-#    ifdef HOLD_ON_OTHER_KEY_PRESS_PER_KEY
+#ifdef HOLD_ON_OTHER_KEY_PRESS_PER_KEY
             if (autoshift_flags.in_progress && get_hold_on_other_key_press(keycode, record)) {
                 autoshift_end(KC_NO, now, false, &autoshift_lastrecord);
             }
-#    endif
+#endif
             // clang-format on
             return true;
         }
@@ -479,7 +480,7 @@ bool process_auto_shift(uint16_t keycode, keyrecord_t *record) {
     return true;
 }
 
-#    if defined(RETRO_SHIFT) && !defined(NO_ACTION_TAPPING)
+#if defined(RETRO_SHIFT) && !defined(NO_ACTION_TAPPING)
 // Called to record time before possible delays by action_tapping_process.
 void retroshift_poll_time(keyevent_t *event) {
     last_retroshift_time = retroshift_time;
@@ -493,6 +494,4 @@ void retroshift_swap_times(void) {
         last_retroshift_time = temp;
     }
 }
-#    endif
-
 #endif
diff --git a/quantum/process_keycode/process_auto_shift.h b/quantum/process_keycode/process_auto_shift.h
index 780177d2ffd..885a47b5339 100644
--- a/quantum/process_keycode/process_auto_shift.h
+++ b/quantum/process_keycode/process_auto_shift.h
@@ -16,7 +16,11 @@
 
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
+#include "keyboard.h"
+#include "keycodes.h"
 
 #ifndef AUTO_SHIFT_TIMEOUT
 #    define AUTO_SHIFT_TIMEOUT 175
diff --git a/quantum/process_keycode/process_autocorrect.c b/quantum/process_keycode/process_autocorrect.c
index cc1f19e4f97..edc47718f32 100644
--- a/quantum/process_keycode/process_autocorrect.c
+++ b/quantum/process_keycode/process_autocorrect.c
@@ -6,7 +6,11 @@
 
 #include "process_autocorrect.h"
 #include <string.h>
+#include "keycodes.h"
+#include "quantum_keycodes.h"
 #include "keycode_config.h"
+#include "send_string.h"
+#include "action_util.h"
 
 #if __has_include("autocorrect_data.h")
 #    include "autocorrect_data.h"
diff --git a/quantum/process_keycode/process_autocorrect.h b/quantum/process_keycode/process_autocorrect.h
index 9cc7d46a8b7..ea77d6f56f8 100644
--- a/quantum/process_keycode/process_autocorrect.h
+++ b/quantum/process_keycode/process_autocorrect.h
@@ -6,7 +6,9 @@
 
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 bool process_autocorrect(uint16_t keycode, keyrecord_t *record);
 bool process_autocorrect_user(uint16_t *keycode, keyrecord_t *record, uint8_t *typo_buffer_size, uint8_t *mods);
diff --git a/quantum/process_keycode/process_backlight.h b/quantum/process_keycode/process_backlight.h
index 7fe887ae675..e926833e79c 100644
--- a/quantum/process_keycode/process_backlight.h
+++ b/quantum/process_keycode/process_backlight.h
@@ -16,6 +16,8 @@
 
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 bool process_backlight(uint16_t keycode, keyrecord_t *record);
diff --git a/quantum/process_keycode/process_caps_word.c b/quantum/process_keycode/process_caps_word.c
index d4382680bf4..1088c8f76c1 100644
--- a/quantum/process_keycode/process_caps_word.c
+++ b/quantum/process_keycode/process_caps_word.c
@@ -13,6 +13,14 @@
 // limitations under the License.
 
 #include "process_caps_word.h"
+#include "process_auto_shift.h"
+#include "caps_word.h"
+#include "keycodes.h"
+#include "quantum_keycodes.h"
+#include "modifiers.h"
+#include "timer.h"
+#include "action_tapping.h"
+#include "action_util.h"
 
 #ifdef CAPS_WORD_INVERT_ON_SHIFT
 static uint8_t held_mods = 0;
diff --git a/quantum/process_keycode/process_caps_word.h b/quantum/process_keycode/process_caps_word.h
index f215bbc3a3d..f5eb140d321 100644
--- a/quantum/process_keycode/process_caps_word.h
+++ b/quantum/process_keycode/process_caps_word.h
@@ -14,8 +14,9 @@
 
 #pragma once
 
-#include "quantum.h"
-#include "caps_word.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 /**
  * @brief Process handler for Caps Word feature.
diff --git a/quantum/process_keycode/process_clicky.h b/quantum/process_keycode/process_clicky.h
index 67b6463c5d4..dfdba141315 100644
--- a/quantum/process_keycode/process_clicky.h
+++ b/quantum/process_keycode/process_clicky.h
@@ -1,5 +1,9 @@
 #pragma once
 
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
+
 void clicky_play(void);
 bool process_clicky(uint16_t keycode, keyrecord_t *record);
 
diff --git a/quantum/process_keycode/process_combo.c b/quantum/process_keycode/process_combo.c
index bbee560be9c..0d4f4f3dba2 100644
--- a/quantum/process_keycode/process_combo.c
+++ b/quantum/process_keycode/process_combo.c
@@ -14,11 +14,16 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "keymap_common.h"
-#include "print.h"
 #include "process_combo.h"
+#include <stddef.h>
+#include "process_auto_shift.h"
+#include "caps_word.h"
+#include "timer.h"
+#include "keyboard.h"
+#include "keymap_common.h"
+#include "action_layer.h"
 #include "action_tapping.h"
-#include "action.h"
+#include "action_util.h"
 #include "keymap_introspection.h"
 
 __attribute__((weak)) void process_combo_event(uint16_t combo_index, bool pressed) {}
diff --git a/quantum/process_keycode/process_combo.h b/quantum/process_keycode/process_combo.h
index bba5d5ee630..f1d534236e2 100644
--- a/quantum/process_keycode/process_combo.h
+++ b/quantum/process_keycode/process_combo.h
@@ -16,9 +16,11 @@
 
 #pragma once
 
-#include "progmem.h"
-#include "quantum.h"
 #include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
+#include "keycodes.h"
+#include "quantum_keycodes.h"
 
 #ifdef EXTRA_SHORT_COMBOS
 #    define MAX_COMBO_LENGTH 6
diff --git a/quantum/process_keycode/process_dynamic_macro.c b/quantum/process_keycode/process_dynamic_macro.c
index a022949d3d3..5e4a6fa3084 100644
--- a/quantum/process_keycode/process_dynamic_macro.c
+++ b/quantum/process_keycode/process_dynamic_macro.c
@@ -17,6 +17,15 @@
 
 /* Author: Wojciech Siewierski < wojciech dot siewierski at onet dot pl > */
 #include "process_dynamic_macro.h"
+#include <stddef.h>
+#include "action_layer.h"
+#include "keycodes.h"
+#include "debug.h"
+#include "wait.h"
+
+#ifdef BACKLIGHT_ENABLE
+#    include "backlight.h"
+#endif
 
 // default feedback method
 void dynamic_macro_led_blink(void) {
diff --git a/quantum/process_keycode/process_dynamic_macro.h b/quantum/process_keycode/process_dynamic_macro.h
index 9841254af4f..2f10733cae3 100644
--- a/quantum/process_keycode/process_dynamic_macro.h
+++ b/quantum/process_keycode/process_dynamic_macro.h
@@ -18,7 +18,9 @@
 /* Author: Wojciech Siewierski < wojciech dot siewierski at onet dot pl > */
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 /* May be overridden with a custom value. Be aware that the effective
  * macro length is half of this value: each keypress is recorded twice
diff --git a/quantum/process_keycode/process_dynamic_tapping_term.c b/quantum/process_keycode/process_dynamic_tapping_term.c
index 146b9fccd72..cf52626e428 100644
--- a/quantum/process_keycode/process_dynamic_tapping_term.c
+++ b/quantum/process_keycode/process_dynamic_tapping_term.c
@@ -14,8 +14,10 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "quantum.h"
 #include "process_dynamic_tapping_term.h"
+#include "quantum.h"
+#include "keycodes.h"
+#include "send_string.h"
 
 #ifndef DYNAMIC_TAPPING_TERM_INCREMENT
 #    define DYNAMIC_TAPPING_TERM_INCREMENT 5
diff --git a/quantum/process_keycode/process_dynamic_tapping_term.h b/quantum/process_keycode/process_dynamic_tapping_term.h
index 85e83ee73b0..fee29e18dfd 100644
--- a/quantum/process_keycode/process_dynamic_tapping_term.h
+++ b/quantum/process_keycode/process_dynamic_tapping_term.h
@@ -16,6 +16,7 @@
 
 #pragma once
 
+#include <stdint.h>
 #include <stdbool.h>
 #include "action.h"
 
diff --git a/quantum/process_keycode/process_grave_esc.c b/quantum/process_keycode/process_grave_esc.c
index ddf027391d5..d786f57a803 100644
--- a/quantum/process_keycode/process_grave_esc.c
+++ b/quantum/process_keycode/process_grave_esc.c
@@ -14,6 +14,9 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include "process_grave_esc.h"
+#include "keycodes.h"
+#include "modifiers.h"
+#include "action_util.h"
 
 /* true if the last press of QK_GRAVE_ESCAPE was shifted (i.e. GUI or SHIFT were pressed), false otherwise.
  * Used to ensure that the correct keycode is released if the key is released.
diff --git a/quantum/process_keycode/process_grave_esc.h b/quantum/process_keycode/process_grave_esc.h
index bbf44837631..358ff3c4e78 100644
--- a/quantum/process_keycode/process_grave_esc.h
+++ b/quantum/process_keycode/process_grave_esc.h
@@ -15,6 +15,8 @@
  */
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 bool process_grave_esc(uint16_t keycode, keyrecord_t *record);
diff --git a/quantum/process_keycode/process_haptic.h b/quantum/process_keycode/process_haptic.h
index 6dbb0f014d0..7e61f6c0d6a 100644
--- a/quantum/process_keycode/process_haptic.h
+++ b/quantum/process_keycode/process_haptic.h
@@ -15,6 +15,7 @@
  */
 #pragma once
 
+#include <stdint.h>
 #include <stdbool.h>
 #include "action.h"
 
diff --git a/quantum/process_keycode/process_joystick.h b/quantum/process_keycode/process_joystick.h
index 1fb8757708d..aa1a4432716 100644
--- a/quantum/process_keycode/process_joystick.h
+++ b/quantum/process_keycode/process_joystick.h
@@ -17,6 +17,7 @@
 #pragma once
 
 #include <stdint.h>
-#include "quantum.h"
+#include <stdbool.h>
+#include "action.h"
 
 bool process_joystick(uint16_t keycode, keyrecord_t *record);
diff --git a/quantum/process_keycode/process_key_lock.h b/quantum/process_keycode/process_key_lock.h
index 5159b0ba023..858945a8e44 100644
--- a/quantum/process_keycode/process_key_lock.h
+++ b/quantum/process_keycode/process_key_lock.h
@@ -16,7 +16,9 @@
 
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 void cancel_key_lock(void);
 bool process_key_lock(uint16_t *keycode, keyrecord_t *record);
diff --git a/quantum/process_keycode/process_key_override.c b/quantum/process_keycode/process_key_override.c
index de628d3fec7..6ce1e4d925a 100644
--- a/quantum/process_keycode/process_key_override.c
+++ b/quantum/process_keycode/process_key_override.c
@@ -15,12 +15,10 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "quantum.h"
+#include "process_key_override.h"
 #include "report.h"
 #include "timer.h"
-#include "process_key_override.h"
-
-#include <debug.h>
+#include "debug.h"
 
 #ifndef KEY_OVERRIDE_REPEAT_DELAY
 #    define KEY_OVERRIDE_REPEAT_DELAY 500
diff --git a/quantum/process_keycode/process_key_override.h b/quantum/process_keycode/process_key_override.h
index fd76f297a80..3e37c7e63a6 100644
--- a/quantum/process_keycode/process_key_override.h
+++ b/quantum/process_keycode/process_key_override.h
@@ -18,9 +18,8 @@
 #pragma once
 
 #include <stdbool.h>
-#include <stddef.h>
 #include <stdint.h>
-
+#include "action.h"
 #include "action_layer.h"
 
 /**
diff --git a/quantum/process_keycode/process_leader.c b/quantum/process_keycode/process_leader.c
index a9823b62850..ca017a577de 100644
--- a/quantum/process_keycode/process_leader.c
+++ b/quantum/process_keycode/process_leader.c
@@ -16,6 +16,7 @@
 
 #include "process_leader.h"
 #include "leader.h"
+#include "quantum_keycodes.h"
 
 bool process_leader(uint16_t keycode, keyrecord_t *record) {
     if (record->event.pressed) {
diff --git a/quantum/process_keycode/process_leader.h b/quantum/process_keycode/process_leader.h
index eb0f721f600..b78fbb94dff 100644
--- a/quantum/process_keycode/process_leader.h
+++ b/quantum/process_keycode/process_leader.h
@@ -16,6 +16,8 @@
 
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 bool process_leader(uint16_t keycode, keyrecord_t *record);
diff --git a/quantum/process_keycode/process_magic.c b/quantum/process_keycode/process_magic.c
index 5fafe8550fc..3b35884d68a 100644
--- a/quantum/process_keycode/process_magic.c
+++ b/quantum/process_keycode/process_magic.c
@@ -14,8 +14,13 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include "process_magic.h"
+#include "keycode_config.h"
+#include "keycodes.h"
+#include "eeconfig.h"
 
 #ifdef AUDIO_ENABLE
+#    include "audio.h"
+
 #    ifndef AG_NORM_SONG
 #        define AG_NORM_SONG SONG(AG_NORM_SOUND)
 #    endif
diff --git a/quantum/process_keycode/process_magic.h b/quantum/process_keycode/process_magic.h
index 1eb39f14557..aa65a43baed 100644
--- a/quantum/process_keycode/process_magic.h
+++ b/quantum/process_keycode/process_magic.h
@@ -15,6 +15,8 @@
  */
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 bool process_magic(uint16_t keycode, keyrecord_t *record);
diff --git a/quantum/process_keycode/process_midi.c b/quantum/process_keycode/process_midi.c
index ce62559849a..377fcb69e25 100644
--- a/quantum/process_keycode/process_midi.c
+++ b/quantum/process_keycode/process_midi.c
@@ -15,12 +15,13 @@
  */
 #include "process_midi.h"
 
-#ifdef MIDI_ENABLE
-#    include <LUFA/Drivers/USB/USB.h>
-#    include "midi.h"
-#    include "qmk_midi.h"
+#include <LUFA/Drivers/USB/USB.h>
+#include "midi.h"
+#include "qmk_midi.h"
+#include "timer.h"
+#include "debug.h"
 
-#    ifdef MIDI_BASIC
+#ifdef MIDI_BASIC
 
 void process_midi_basic_noteon(uint8_t note) {
     midi_send_noteon(&midi_device, 0, note, 127);
@@ -34,12 +35,9 @@ void process_midi_all_notes_off(void) {
     midi_send_cc(&midi_device, 0, 0x7B, 0);
 }
 
-#    endif // MIDI_BASIC
-
-#    ifdef MIDI_ADVANCED
-
-#        include "timer.h"
+#endif // MIDI_BASIC
 
+#ifdef MIDI_ADVANCED
 static uint8_t tone_status[2][MIDI_TONE_COUNT];
 
 static uint8_t  midi_modulation;
@@ -248,11 +246,11 @@ bool process_midi(uint16_t keycode, keyrecord_t *record) {
     return true;
 }
 
-#    endif // MIDI_ADVANCED
+#endif // MIDI_ADVANCED
 
 void midi_task(void) {
     midi_device_process(&midi_device);
-#    ifdef MIDI_ADVANCED
+#ifdef MIDI_ADVANCED
     if (timer_elapsed(midi_modulation_timer) < midi_config.modulation_interval) return;
     midi_modulation_timer = timer_read();
 
@@ -270,7 +268,5 @@ void midi_task(void) {
 
         if (midi_modulation > 127) midi_modulation = 127;
     }
-#    endif
+#endif
 }
-
-#endif // MIDI_ENABLE
diff --git a/quantum/process_keycode/process_midi.h b/quantum/process_keycode/process_midi.h
index e528c6ec0ca..64ccc610f90 100644
--- a/quantum/process_keycode/process_midi.h
+++ b/quantum/process_keycode/process_midi.h
@@ -16,7 +16,10 @@
 
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
+#include "quantum_keycodes.h"
 
 #ifdef MIDI_ENABLE
 
diff --git a/quantum/process_keycode/process_music.c b/quantum/process_keycode/process_music.c
index 7c572079a71..f047668504c 100644
--- a/quantum/process_keycode/process_music.c
+++ b/quantum/process_keycode/process_music.c
@@ -14,8 +14,10 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include "process_music.h"
+#include "timer.h"
 
 #ifdef AUDIO_ENABLE
+#    include "audio.h"
 #    include "process_audio.h"
 #endif
 #if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
diff --git a/quantum/process_keycode/process_music.h b/quantum/process_keycode/process_music.h
index 83726a05ba9..ed39d3cda52 100644
--- a/quantum/process_keycode/process_music.h
+++ b/quantum/process_keycode/process_music.h
@@ -16,7 +16,9 @@
 
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 #if defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
 
diff --git a/quantum/process_keycode/process_programmable_button.h b/quantum/process_keycode/process_programmable_button.h
index 47c6ce56144..ef818af4ca6 100644
--- a/quantum/process_keycode/process_programmable_button.h
+++ b/quantum/process_keycode/process_programmable_button.h
@@ -18,6 +18,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #pragma once
 
 #include <stdint.h>
-#include "quantum.h"
+#include <stdbool.h>
+#include "action.h"
 
 bool process_programmable_button(uint16_t keycode, keyrecord_t *record);
diff --git a/quantum/process_keycode/process_repeat_key.c b/quantum/process_keycode/process_repeat_key.c
index f819aa226e9..73f4ddedcf1 100644
--- a/quantum/process_keycode/process_repeat_key.c
+++ b/quantum/process_keycode/process_repeat_key.c
@@ -13,6 +13,10 @@
 // limitations under the License.
 
 #include "process_repeat_key.h"
+#include "repeat_key.h"
+#include "keycodes.h"
+#include "quantum_keycodes.h"
+#include "action_util.h"
 
 // Default implementation of remember_last_key_user().
 __attribute__((weak)) bool remember_last_key_user(uint16_t keycode, keyrecord_t* record, uint8_t* remembered_mods) {
diff --git a/quantum/process_keycode/process_repeat_key.h b/quantum/process_keycode/process_repeat_key.h
index eddc50f254c..c3b200c6322 100644
--- a/quantum/process_keycode/process_repeat_key.h
+++ b/quantum/process_keycode/process_repeat_key.h
@@ -14,7 +14,9 @@
 
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 /**
  * @brief Process handler for remembering the last key.
diff --git a/quantum/process_keycode/process_rgb.c b/quantum/process_keycode/process_rgb.c
index dae129786e2..4e63bf3ca84 100644
--- a/quantum/process_keycode/process_rgb.c
+++ b/quantum/process_keycode/process_rgb.c
@@ -14,6 +14,14 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include "process_rgb.h"
+#include "action_util.h"
+
+#ifdef RGB_MATRIX_ENABLE
+#    include "rgb_matrix.h"
+#endif
+#ifdef RGBLIGHT_ENABLE
+#    include "rgblight.h"
+#endif
 
 typedef void (*rgb_func_pointer)(void);
 
diff --git a/quantum/process_keycode/process_rgb.h b/quantum/process_keycode/process_rgb.h
index 26aca46896b..b1069d4bb6f 100644
--- a/quantum/process_keycode/process_rgb.h
+++ b/quantum/process_keycode/process_rgb.h
@@ -15,6 +15,8 @@
  */
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 bool process_rgb(const uint16_t keycode, const keyrecord_t *record);
diff --git a/quantum/process_keycode/process_secure.h b/quantum/process_keycode/process_secure.h
index 2814264b92f..78d793f0f66 100644
--- a/quantum/process_keycode/process_secure.h
+++ b/quantum/process_keycode/process_secure.h
@@ -3,6 +3,7 @@
 
 #pragma once
 
+#include <stdint.h>
 #include <stdbool.h>
 #include "action.h"
 
diff --git a/quantum/process_keycode/process_sequencer.h b/quantum/process_keycode/process_sequencer.h
index 2b85f24299e..3a9bdc2b240 100644
--- a/quantum/process_keycode/process_sequencer.h
+++ b/quantum/process_keycode/process_sequencer.h
@@ -16,6 +16,8 @@
 
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 bool process_sequencer(uint16_t keycode, keyrecord_t *record);
diff --git a/quantum/process_keycode/process_space_cadet.c b/quantum/process_keycode/process_space_cadet.c
index 3109ea17114..4d9f01077e6 100644
--- a/quantum/process_keycode/process_space_cadet.c
+++ b/quantum/process_keycode/process_space_cadet.c
@@ -14,6 +14,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include "process_space_cadet.h"
+#include "keycodes.h"
+#include "timer.h"
 #include "action_tapping.h"
 
 // ********** OBSOLETE DEFINES, STOP USING! (pls?) **********
diff --git a/quantum/process_keycode/process_space_cadet.h b/quantum/process_keycode/process_space_cadet.h
index fcb70f3b436..6d10051532c 100644
--- a/quantum/process_keycode/process_space_cadet.h
+++ b/quantum/process_keycode/process_space_cadet.h
@@ -15,7 +15,9 @@
  */
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 void perform_space_cadet(keyrecord_t *record, uint16_t sc_keycode, uint8_t holdMod, uint8_t tapMod, uint8_t keycode);
 bool process_space_cadet(uint16_t keycode, keyrecord_t *record);
diff --git a/quantum/process_keycode/process_steno.c b/quantum/process_keycode/process_steno.c
index d5ad61ba858..af26d4ca86c 100644
--- a/quantum/process_keycode/process_steno.c
+++ b/quantum/process_keycode/process_steno.c
@@ -15,6 +15,7 @@
  */
 #include "process_steno.h"
 #include "quantum_keycodes.h"
+#include "eeconfig.h"
 #include "keymap_steno.h"
 #include <string.h>
 #ifdef VIRTSER_ENABLE
diff --git a/quantum/process_keycode/process_steno.h b/quantum/process_keycode/process_steno.h
index 68d6097b9b7..0dd2103218e 100644
--- a/quantum/process_keycode/process_steno.h
+++ b/quantum/process_keycode/process_steno.h
@@ -16,7 +16,9 @@
 
 #pragma once
 
-#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 #define BOLT_STROKE_SIZE 4
 #define GEMINI_STROKE_SIZE 6
diff --git a/quantum/process_keycode/process_tap_dance.c b/quantum/process_keycode/process_tap_dance.c
index 706f5cddbb1..1b2c6c8a448 100644
--- a/quantum/process_keycode/process_tap_dance.c
+++ b/quantum/process_keycode/process_tap_dance.c
@@ -13,7 +13,14 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+
+#include "process_tap_dance.h"
 #include "quantum.h"
+#include "action_layer.h"
+#include "action_tapping.h"
+#include "action_util.h"
+#include "timer.h"
+#include "wait.h"
 
 static uint16_t active_td;
 static uint16_t last_tap_time;
diff --git a/quantum/process_keycode/process_tap_dance.h b/quantum/process_keycode/process_tap_dance.h
index 5cb6d9202c6..386f5046192 100644
--- a/quantum/process_keycode/process_tap_dance.h
+++ b/quantum/process_keycode/process_tap_dance.h
@@ -16,18 +16,17 @@
 
 #pragma once
 
-#ifdef TAP_DANCE_ENABLE
-
-#    include <stdbool.h>
-#    include <inttypes.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include "action.h"
 
 typedef struct {
     uint16_t interrupting_keycode;
     uint8_t  count;
     uint8_t  weak_mods;
-#    ifndef NO_ACTION_ONESHOT
+#ifndef NO_ACTION_ONESHOT
     uint8_t oneshot_mods;
-#    endif
+#endif
     bool pressed : 1;
     bool finished : 1;
     bool interrupted : 1;
@@ -56,24 +55,24 @@ typedef struct {
     void (*layer_function)(uint8_t);
 } tap_dance_dual_role_t;
 
-#    define ACTION_TAP_DANCE_DOUBLE(kc1, kc2) \
-        { .fn = {tap_dance_pair_on_each_tap, tap_dance_pair_finished, tap_dance_pair_reset}, .user_data = (void *)&((tap_dance_pair_t){kc1, kc2}), }
+#define ACTION_TAP_DANCE_DOUBLE(kc1, kc2) \
+    { .fn = {tap_dance_pair_on_each_tap, tap_dance_pair_finished, tap_dance_pair_reset}, .user_data = (void *)&((tap_dance_pair_t){kc1, kc2}), }
 
-#    define ACTION_TAP_DANCE_LAYER_MOVE(kc, layer) \
-        { .fn = {tap_dance_dual_role_on_each_tap, tap_dance_dual_role_finished, tap_dance_dual_role_reset}, .user_data = (void *)&((tap_dance_dual_role_t){kc, layer, layer_move}), }
+#define ACTION_TAP_DANCE_LAYER_MOVE(kc, layer) \
+    { .fn = {tap_dance_dual_role_on_each_tap, tap_dance_dual_role_finished, tap_dance_dual_role_reset}, .user_data = (void *)&((tap_dance_dual_role_t){kc, layer, layer_move}), }
 
-#    define ACTION_TAP_DANCE_LAYER_TOGGLE(kc, layer) \
-        { .fn = {NULL, tap_dance_dual_role_finished, tap_dance_dual_role_reset}, .user_data = (void *)&((tap_dance_dual_role_t){kc, layer, layer_invert}), }
+#define ACTION_TAP_DANCE_LAYER_TOGGLE(kc, layer) \
+    { .fn = {NULL, tap_dance_dual_role_finished, tap_dance_dual_role_reset}, .user_data = (void *)&((tap_dance_dual_role_t){kc, layer, layer_invert}), }
 
-#    define ACTION_TAP_DANCE_FN(user_fn) \
-        { .fn = {NULL, user_fn, NULL}, .user_data = NULL, }
+#define ACTION_TAP_DANCE_FN(user_fn) \
+    { .fn = {NULL, user_fn, NULL}, .user_data = NULL, }
 
-#    define ACTION_TAP_DANCE_FN_ADVANCED(user_fn_on_each_tap, user_fn_on_dance_finished, user_fn_on_dance_reset) \
-        { .fn = {user_fn_on_each_tap, user_fn_on_dance_finished, user_fn_on_dance_reset}, .user_data = NULL, }
+#define ACTION_TAP_DANCE_FN_ADVANCED(user_fn_on_each_tap, user_fn_on_dance_finished, user_fn_on_dance_reset) \
+    { .fn = {user_fn_on_each_tap, user_fn_on_dance_finished, user_fn_on_dance_reset}, .user_data = NULL, }
 
-#    define TD(n) (QK_TAP_DANCE | TD_INDEX(n))
-#    define TD_INDEX(code) ((code)&0xFF)
-#    define TAP_DANCE_KEYCODE(state) TD(((tap_dance_action_t *)state) - tap_dance_actions)
+#define TD(n) (QK_TAP_DANCE | TD_INDEX(n))
+#define TD_INDEX(code) ((code)&0xFF)
+#define TAP_DANCE_KEYCODE(state) TD(((tap_dance_action_t *)state) - tap_dance_actions)
 
 extern tap_dance_action_t tap_dance_actions[];
 
@@ -92,9 +91,3 @@ void tap_dance_pair_reset(tap_dance_state_t *state, void *user_data);
 void tap_dance_dual_role_on_each_tap(tap_dance_state_t *state, void *user_data);
 void tap_dance_dual_role_finished(tap_dance_state_t *state, void *user_data);
 void tap_dance_dual_role_reset(tap_dance_state_t *state, void *user_data);
-
-#else
-
-#    define TD(n) KC_NO
-
-#endif
diff --git a/quantum/process_keycode/process_tri_layer.h b/quantum/process_keycode/process_tri_layer.h
index 9c4e3df1c2f..5e6e4ff94db 100644
--- a/quantum/process_keycode/process_tri_layer.h
+++ b/quantum/process_keycode/process_tri_layer.h
@@ -3,6 +3,8 @@
 
 #pragma once
 
+#include <stdint.h>
+#include <stdbool.h>
 #include "action.h"
 
 /**