12 files changed, 64 insertions, 62 deletions

diff --git a/docs/feature_advanced_keycodes.md b/docs/feature_advanced_keycodes.md
index 98c7f8451..37a3d43fc 100644
--- a/docs/feature_advanced_keycodes.md
+++ b/docs/feature_advanced_keycodes.md
@@ -60,21 +60,21 @@ Sometimes, you might want to switch between layers in a macro or as part of a ta
 
 These allow you to combine a modifier with a keycode. When pressed, the keydown event for the modifier, then `kc` will be sent. On release, the keyup event for `kc`, then the modifier will be sent.
 
-|Key       |Aliases               |Description                                         |
-|----------|----------------------|----------------------------------------------------|
-|`LCTL(kc)`|                      |Hold Left Control and press `kc`                    |
-|`LSFT(kc)`|`S(kc)`               |Hold Left Shift and press `kc`                      |
-|`LALT(kc)`|                      |Hold Left Alt and press `kc`                        |
-|`LGUI(kc)`|`LCMD(kc)`, `LWIN(kc)`|Hold Left GUI and press `kc`                        |
-|`RCTL(kc)`|                      |Hold Right Control and press `kc`                   |
-|`RSFT(kc)`|                      |Hold Right Shift and press `kc`                     |
-|`RALT(kc)`|`ALGR(kc)`            |Hold Right Alt and press `kc`                       |
-|`RGUI(kc)`|`RCMD(kc)`, `LWIN(kc)`|Hold Right GUI and press `kc`                       |
-|`HYPR(kc)`|                      |Hold Left Control, Shift, Alt and GUI and press `kc`|
-|`MEH(kc)` |                      |Hold Left Control, Shift and Alt and press `kc`     |
-|`LCAG(kc)`|                      |Hold Left Control, Alt and GUI and press `kc`       |
-|`SGUI(kc)`|`SCMD(kc)`, `SWIN(kc)`|Hold Left Shift and GUI and press `kc`              |
-|`LCA(kc)` |                      |Hold Left Control and Alt and press `kc`            |
+|Key       |Aliases                        |Description                                         |
+|----------|-------------------------------|----------------------------------------------------|
+|`LCTL(kc)`|`C(kc)`                        |Hold Left Control and press `kc`                    |
+|`LSFT(kc)`|`S(kc)`                        |Hold Left Shift and press `kc`                      |
+|`LALT(kc)`|`A(kc)`                        |Hold Left Alt and press `kc`                        |
+|`LGUI(kc)`|`G(kc)`, `LCMD(kc)`, `LWIN(kc)`|Hold Left GUI and press `kc`                        |
+|`RCTL(kc)`|                               |Hold Right Control and press `kc`                   |
+|`RSFT(kc)`|                               |Hold Right Shift and press `kc`                     |
+|`RALT(kc)`|`ALGR(kc)`                     |Hold Right Alt and press `kc`                       |
+|`RGUI(kc)`|`RCMD(kc)`, `LWIN(kc)`         |Hold Right GUI and press `kc`                       |
+|`SGUI(kc)`|`SCMD(kc)`, `SWIN(kc)`         |Hold Left Shift and GUI and press `kc`              |
+|`LCA(kc)` |                               |Hold Left Control and Alt and press `kc`            |
+|`LCAG(kc)`|                               |Hold Left Control, Alt and GUI and press `kc`       |
+|`MEH(kc)` |                               |Hold Left Control, Shift and Alt and press `kc`     |
+|`HYPR(kc)`|                               |Hold Left Control, Shift, Alt and GUI and press `kc`|
 
 You can also chain them, for example `LCTL(LALT(KC_DEL))` makes a key that sends Control+Alt+Delete with a single keypress.
 
@@ -110,20 +110,20 @@ For convenience, QMK includes some Mod-Tap shortcuts to make common combinations
 |Key         |Aliases                                                          |Description                                            |
 |------------|-----------------------------------------------------------------|-------------------------------------------------------|
 |`LCTL_T(kc)`|`CTL_T(kc)`                                                      |Left Control when held, `kc` when tapped               |
-|`RCTL_T(kc)`|                                                                 |Right Control when held, `kc` when tapped              |
 |`LSFT_T(kc)`|`SFT_T(kc)`                                                      |Left Shift when held, `kc` when tapped                 |
-|`RSFT_T(kc)`|                                                                 |Right Shift when held, `kc` when tapped                |
 |`LALT_T(kc)`|`ALT_T(kc)`                                                      |Left Alt when held, `kc` when tapped                   |
-|`RALT_T(kc)`|`ALGR_T(kc)`                                                     |Right Alt when held, `kc` when tapped                  |
 |`LGUI_T(kc)`|`LCMD_T(kc)`, `LWIN_T(kc)`, `GUI_T(kc)`, `CMD_T(kc)`, `WIN_T(kc)`|Left GUI when held, `kc` when tapped                   |
+|`RCTL_T(kc)`|                                                                 |Right Control when held, `kc` when tapped              |
+|`RSFT_T(kc)`|                                                                 |Right Shift when held, `kc` when tapped                |
+|`RALT_T(kc)`|`ALGR_T(kc)`                                                     |Right Alt when held, `kc` when tapped                  |
 |`RGUI_T(kc)`|`RCMD_T(kc)`, `RWIN_T(kc)`                                       |Right GUI when held, `kc` when tapped                  |
-|`C_S_T(kc)` |                                                                 |Left Control and Shift when held, `kc` when tapped     |
-|`MEH_T(kc)` |                                                                 |Left Control, Shift and Alt when held, `kc` when tapped|
+|`SGUI_T(kc)`|`SCMD_T(kc)`, `SWIN_T(kc)`                                       |Left Shift and GUI when held, `kc` when tapped         |
+|`LCA_T(kc)` |                                                                 |Left Control and Alt when held, `kc` when tapped       |
 |`LCAG_T(kc)`|                                                                 |Left Control, Alt and GUI when held, `kc` when tapped  |
 |`RCAG_T(kc)`|                                                                 |Right Control, Alt and GUI when held, `kc` when tapped |
+|`C_S_T(kc)` |                                                                 |Left Control and Shift when held, `kc` when tapped     |
+|`MEH_T(kc)` |                                                                 |Left Control, Shift and Alt when held, `kc` when tapped|
 |`HYPR_T(kc)`|`ALL_T(kc)`                                                      |Left Control, Shift, Alt and GUI when held, `kc` when tapped - more info [here](http://brettterpstra.com/2012/12/08/a-useful-caps-lock-key/)|
-|`SGUI_T(kc)`|`SCMD_T(kc)`, `SWIN_T(kc)`                                       |Left Shift and GUI when held, `kc` when tapped         |
-|`LCA_T(kc)` |                                                                 |Left Control and Alt when held, `kc` when tapped       |
 
 ## Caveats
 
diff --git a/docs/keycodes.md b/docs/keycodes.md
index 7fd772091..91578414d 100644
--- a/docs/keycodes.md
+++ b/docs/keycodes.md
@@ -319,43 +319,43 @@ This is a reference only. Each group of keys links to the page documenting their
 
 ## [Modifiers](feature_advanced_keycodes.md#modifier-keys)
 
-|Key       |Aliases               |Description                                         |
-|----------|----------------------|----------------------------------------------------|
-|`KC_HYPR` |                      |Hold Left Control, Shift, Alt and GUI               |
-|`KC_MEH`  |                      |Hold Left Control, Shift and Alt                    |
-|`LCTL(kc)`|                      |Hold Left Control and press `kc`                    |
-|`LSFT(kc)`|`S(kc)`               |Hold Left Shift and press `kc`                      |
-|`LALT(kc)`|                      |Hold Left Alt and press `kc`                        |
-|`LGUI(kc)`|`LCMD(kc)`, `LWIN(kc)`|Hold Left GUI and press `kc`                        |
-|`RCTL(kc)`|                      |Hold Right Control and press `kc`                   |
-|`RSFT(kc)`|                      |Hold Right Shift and press `kc`                     |
-|`RALT(kc)`|`ALGR(kc)`            |Hold Right Alt and press `kc`                       |
-|`RGUI(kc)`|`RCMD(kc)`, `LWIN(kc)`|Hold Right GUI and press `kc`                       |
-|`HYPR(kc)`|                      |Hold Left Control, Shift, Alt and GUI and press `kc`|
-|`MEH(kc)` |                      |Hold Left Control, Shift and Alt and press `kc`     |
-|`LCAG(kc)`|                      |Hold Left Control, Alt and GUI and press `kc`       |
-|`SGUI(kc)`|`SCMD(kc)`, `SWIN(kc)`|Hold Left Shift and GUI and press `kc`              |
-|`LCA(kc)` |                      |Hold Left Control and Alt and press `kc`            |
+|Key       |Aliases                        |Description                                         |
+|----------|-------------------------------|----------------------------------------------------|
+|`LCTL(kc)`|`C(kc)`                        |Hold Left Control and press `kc`                    |
+|`LSFT(kc)`|`S(kc)`                        |Hold Left Shift and press `kc`                      |
+|`LALT(kc)`|`A(kc)`                        |Hold Left Alt and press `kc`                        |
+|`LGUI(kc)`|`G(kc)`, `LCMD(kc)`, `LWIN(kc)`|Hold Left GUI and press `kc`                        |
+|`RCTL(kc)`|                               |Hold Right Control and press `kc`                   |
+|`RSFT(kc)`|                               |Hold Right Shift and press `kc`                     |
+|`RALT(kc)`|`ALGR(kc)`                     |Hold Right Alt and press `kc`                       |
+|`RGUI(kc)`|`RCMD(kc)`, `LWIN(kc)`         |Hold Right GUI and press `kc`                       |
+|`SGUI(kc)`|`SCMD(kc)`, `SWIN(kc)`         |Hold Left Shift and GUI and press `kc`              |
+|`LCA(kc)` |                               |Hold Left Control and Alt and press `kc`            |
+|`LCAG(kc)`|                               |Hold Left Control, Alt and GUI and press `kc`       |
+|`MEH(kc)` |                               |Hold Left Control, Shift and Alt and press `kc`     |
+|`HYPR(kc)`|                               |Hold Left Control, Shift, Alt and GUI and press `kc`|
+|`KC_MEH`  |                               |Left Control, Shift and Alt                         |
+|`KC_HYPR` |                               |Left Control, Shift, Alt and GUI                    |
 
 ## [Mod-Tap Keys](feature_advanced_keycodes.md#mod-tap)
 
 |Key         |Aliases                                                          |Description                                            |
 |------------|-----------------------------------------------------------------|-------------------------------------------------------|
 |`LCTL_T(kc)`|`CTL_T(kc)`                                                      |Left Control when held, `kc` when tapped               |
-|`RCTL_T(kc)`|                                                                 |Right Control when held, `kc` when tapped              |
 |`LSFT_T(kc)`|`SFT_T(kc)`                                                      |Left Shift when held, `kc` when tapped                 |
-|`RSFT_T(kc)`|                                                                 |Right Shift when held, `kc` when tapped                |
 |`LALT_T(kc)`|`ALT_T(kc)`                                                      |Left Alt when held, `kc` when tapped                   |
-|`RALT_T(kc)`|`ALGR_T(kc)`                                                     |Right Alt when held, `kc` when tapped                  |
 |`LGUI_T(kc)`|`LCMD_T(kc)`, `LWIN_T(kc)`, `GUI_T(kc)`, `CMD_T(kc)`, `WIN_T(kc)`|Left GUI when held, `kc` when tapped                   |
+|`RCTL_T(kc)`|                                                                 |Right Control when held, `kc` when tapped              |
+|`RSFT_T(kc)`|                                                                 |Right Shift when held, `kc` when tapped                |
+|`RALT_T(kc)`|`ALGR_T(kc)`                                                     |Right Alt when held, `kc` when tapped                  |
 |`RGUI_T(kc)`|`RCMD_T(kc)`, `RWIN_T(kc)`                                       |Right GUI when held, `kc` when tapped                  |
-|`C_S_T(kc)` |                                                                 |Left Control and Shift when held, `kc` when tapped     |
-|`MEH_T(kc)` |                                                                 |Left Control, Shift and Alt when held, `kc` when tapped|
+|`SGUI_T(kc)`|`SCMD_T(kc)`, `SWIN_T(kc)`                                       |Left Shift and GUI when held, `kc` when tapped         |
+|`LCA_T(kc)` |                                                                 |Left Control and Alt when held, `kc` when tapped       |
 |`LCAG_T(kc)`|                                                                 |Left Control, Alt and GUI when held, `kc` when tapped  |
 |`RCAG_T(kc)`|                                                                 |Right Control, Alt and GUI when held, `kc` when tapped |
+|`C_S_T(kc)` |                                                                 |Left Control and Shift when held, `kc` when tapped     |
+|`MEH_T(kc)` |                                                                 |Left Control, Shift and Alt when held, `kc` when tapped|
 |`HYPR_T(kc)`|`ALL_T(kc)`                                                      |Left Control, Shift, Alt and GUI when held, `kc` when tapped - more info [here](http://brettterpstra.com/2012/12/08/a-useful-caps-lock-key/)|
-|`SGUI_T(kc)`|`SCMD_T(kc)`, `SWIN_T(kc)`                                       |Left Shift and GUI when held, `kc` when tapped         |
-|`LCA_T(kc)` |                                                                 |Left Control and Alt when held, `kc` when tapped       |
 
 ## [RGB Lighting](feature_rgblight.md)
 
diff --git a/keyboards/bpiphany/kitten_paw/keymaps/ickerwx/keymap.c b/keyboards/bpiphany/kitten_paw/keymaps/ickerwx/keymap.c
index 856cef9cc..c0549c424 100644
--- a/keyboards/bpiphany/kitten_paw/keymaps/ickerwx/keymap.c
+++ b/keyboards/bpiphany/kitten_paw/keymaps/ickerwx/keymap.c
@@ -3,12 +3,13 @@
 
 #define _______ KC_TRNS
 #define XXXXXXX KC_NO
-#define  C(kc) LCTL(KC_##kc)
+#undef C
+#undef S
+#define C(kc) LCTL(KC_##kc)
+#define S(kc) LSFT(KC_##kc)
 #define RA(kc) RALT(KC_##kc)
 #define KC_SLCT KC_SELECT
 #define MEDAPP LT(MEDIA, KC_APP)
-#undef S
-#define S(kc) LSFT(KC_##kc)
 
 uint8_t current_layer_global = 255;
 
diff --git a/keyboards/bpiphany/pegasushoof/keymaps/citadel/keymap.c b/keyboards/bpiphany/pegasushoof/keymaps/citadel/keymap.c
index 79f07d3bb..5036bcb3f 100644
--- a/keyboards/bpiphany/pegasushoof/keymaps/citadel/keymap.c
+++ b/keyboards/bpiphany/pegasushoof/keymaps/citadel/keymap.c
@@ -17,11 +17,15 @@
 #include QMK_KEYBOARD_H
 
 /* Allow shortcuts for combos like RALT(KC_RBRC) that don't take up more than 7 characters: */
-#define G(kc) RALT(KC_##kc)
-#define A(kc) LALT(KC_##kc)
+/* Original shortcuts (quantum_keycodes.h) take full-sized keycodes: too long! */
+#undef C
+#undef S
+#undef A
+#undef G
 #define C(kc) LCTL(KC_##kc)
-#undef S /* Original shortcut (quantum_keycodes.h) takes full-sized keycodes: too long! */
 #define S(kc) LSFT(KC_##kc)
+#define A(kc) LALT(KC_##kc)
+#define G(kc) RALT(KC_##kc)
 #define CTALDEL LCTL(LALT(KC_DEL))
 
 enum layers {
diff --git a/keyboards/handwired/promethium/keymaps/default/keymap.c b/keyboards/handwired/promethium/keymaps/default/keymap.c
index a1ca79f9a..faae89f93 100644
--- a/keyboards/handwired/promethium/keymaps/default/keymap.c
+++ b/keyboards/handwired/promethium/keymaps/default/keymap.c
@@ -60,7 +60,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Fillers to make layering clearer
 #define _______ KC_TRNS
 #define XXXXXXX KC_NO
-#define G(x) LGUI(x)
 #define KC_WWWB KC_WWW_BACK
 #define KC_WWWF KC_WWW_FORWARD
 
diff --git a/keyboards/handwired/promethium/keymaps/priyadi/keymap.c b/keyboards/handwired/promethium/keymaps/priyadi/keymap.c
index a1ca79f9a..faae89f93 100644
--- a/keyboards/handwired/promethium/keymaps/priyadi/keymap.c
+++ b/keyboards/handwired/promethium/keymaps/priyadi/keymap.c
@@ -60,7 +60,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Fillers to make layering clearer
 #define _______ KC_TRNS
 #define XXXXXXX KC_NO
-#define G(x) LGUI(x)
 #define KC_WWWB KC_WWW_BACK
 #define KC_WWWF KC_WWW_FORWARD
 
diff --git a/keyboards/handwired/pteron/keymaps/FSund/keymap.c b/keyboards/handwired/pteron/keymaps/FSund/keymap.c
index f34beae06..a52e84297 100644
--- a/keyboards/handwired/pteron/keymaps/FSund/keymap.c
+++ b/keyboards/handwired/pteron/keymaps/FSund/keymap.c
@@ -10,10 +10,8 @@ enum pteron_layers {
 #define LOWER MO(_LOWER)
 #define RAISE MO(_RAISE)
 
-// use S() to produce shifted versions of keys
-// #define S(kc) LSFT(kc) // defined by default
-
 // alt gr
+#undef G
 #define G(kc) RALT(kc)
 
 // custom keycodes
diff --git a/keyboards/planck/keymaps/callum/keymap.c b/keyboards/planck/keymaps/callum/keymap.c
index 1cffe15d4..039e80248 100644
--- a/keyboards/planck/keymaps/callum/keymap.c
+++ b/keyboards/planck/keymaps/callum/keymap.c
@@ -4,9 +4,6 @@
 
 extern keymap_config_t keymap_config;
 
-#define G(X) LGUI(X)
-#define A(X) LALT(X)
-#define C(X) LCTL(X)
 #define AC(X) A(C(X))
 #define SC(X) S(C(X))
 #define _______ KC_TRNS
diff --git a/keyboards/planck/keymaps/rai-suta/keymap.c b/keyboards/planck/keymaps/rai-suta/keymap.c
index 59fe34b1e..97da0e806 100644
--- a/keyboards/planck/keymaps/rai-suta/keymap.c
+++ b/keyboards/planck/keymaps/rai-suta/keymap.c
@@ -9,7 +9,6 @@
 // Keycode defines
 #define _______ KC_TRNS
 #define XXXXXXX KC_NO
-#define C(kc)   LCTL(kc)
 // JIS keyboard
 #define JK_CIRC KC_EQL      // ^
 #define JK_AT   KC_LBRC     // @
diff --git a/keyboards/planck/keymaps/zach/zach_common_functions.c b/keyboards/planck/keymaps/zach/zach_common_functions.c
index e6aeaa50a..e9866883b 100644
--- a/keyboards/planck/keymaps/zach/zach_common_functions.c
+++ b/keyboards/planck/keymaps/zach/zach_common_functions.c
@@ -8,6 +8,7 @@ extern keymap_config_t keymap_config;
 // Fillers to make layering more clear
 #define _______ KC_TRNS
 #define XXXXXXX KC_NO
+#undef C
 #define C(n)    RCTL(n)
 #define CADKEY  RCTL(RALT(KC_DEL))
 
diff --git a/keyboards/preonic/keymaps/zach/zach_common_functions.c b/keyboards/preonic/keymaps/zach/zach_common_functions.c
index e6aeaa50a..e9866883b 100644
--- a/keyboards/preonic/keymaps/zach/zach_common_functions.c
+++ b/keyboards/preonic/keymaps/zach/zach_common_functions.c
@@ -8,6 +8,7 @@ extern keymap_config_t keymap_config;
 // Fillers to make layering more clear
 #define _______ KC_TRNS
 #define XXXXXXX KC_NO
+#undef C
 #define C(n)    RCTL(n)
 #define CADKEY  RCTL(RALT(KC_DEL))
 
diff --git a/quantum/quantum_keycodes.h b/quantum/quantum_keycodes.h
index 9f9d35b1c..0462291c2 100644
--- a/quantum/quantum_keycodes.h
+++ b/quantum/quantum_keycodes.h
@@ -567,9 +567,12 @@ enum quantum_keycodes {
 #define FUNC(kc) (QK_FUNCTION | (kc))
 
 // Aliases
+#define C(kc) LCTL(kc)
 #define S(kc) LSFT(kc)
-#define F(kc) FUNC(kc)
+#define A(kc) LALT(kc)
+#define G(kc) LGUI(kc)
 
+#define F(kc) FUNC(kc)
 #define M(kc) (QK_MACRO | (kc))
 
 #define MACROTAP(kc) (QK_MACRO | (FUNC_TAP << 8) | (kc))