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|
-|`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 |
-|`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 |
+|`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/)|
## 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|
-|`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 |
-|`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 |
+|`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/)|
## [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 .
// 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 .
// 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))