diff --git a/keyboard/i75_TeensyLC/keymap_common.c b/keyboard/i75_TeensyLC/keymap_common.c
index fdb1769e..339a8a59 100644
--- a/keyboard/i75_TeensyLC/keymap_common.c
+++ b/keyboard/i75_TeensyLC/keymap_common.c
@@ -15,16 +15,3 @@ 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 "keymap_common.h"
-
-
-/* translates key to keycode */
-uint8_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
-{
-    return pgm_read_byte(&keymaps[(layer)][(key.row)][(key.col)]);
-}
-
-/* translates Fn keycode to action */
-action_t keymap_fn_to_action(uint8_t keycode)
-{
-    return (action_t){ .code = pgm_read_word(&fn_actions[FN_INDEX(keycode)]) };
-}
diff --git a/keyboard/i75_TeensyLC/keymap_common.h b/keyboard/i75_TeensyLC/keymap_common.h
index 7fa71021..72ebc879 100644
--- a/keyboard/i75_TeensyLC/keymap_common.h
+++ b/keyboard/i75_TeensyLC/keymap_common.h
@@ -29,11 +29,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "debug.h"
 #include "keymap.h"
 
-
-extern const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
-extern const uint16_t fn_actions[];
-
-
 /* i75 keymap definition macro
  */
 #define KEYMAP( \
diff --git a/keyboard/i75_TeensyLC/keymap_i75.c b/keyboard/i75_TeensyLC/keymap_i75.c
index c36c470b..e5646104 100644
--- a/keyboard/i75_TeensyLC/keymap_i75.c
+++ b/keyboard/i75_TeensyLC/keymap_i75.c
@@ -21,7 +21,3 @@ KEYMAP(
 const action_t PROGMEM fn_actions[] = {
     [0]  = ACTION_LAYER_MOMENTARY(1),
 };
-
-void action_function(keyrecord_t *record, uint8_t id, uint8_t opt) {
-
-}
diff --git a/keyboard/stm32_f103_planck/keymap_common.c b/keyboard/stm32_f103_planck/keymap_common.c
index fdb1769e..339a8a59 100644
--- a/keyboard/stm32_f103_planck/keymap_common.c
+++ b/keyboard/stm32_f103_planck/keymap_common.c
@@ -15,16 +15,3 @@ 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 "keymap_common.h"
-
-
-/* translates key to keycode */
-uint8_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
-{
-    return pgm_read_byte(&keymaps[(layer)][(key.row)][(key.col)]);
-}
-
-/* translates Fn keycode to action */
-action_t keymap_fn_to_action(uint8_t keycode)
-{
-    return (action_t){ .code = pgm_read_word(&fn_actions[FN_INDEX(keycode)]) };
-}
diff --git a/keyboard/stm32_f103_planck/keymap_common.h b/keyboard/stm32_f103_planck/keymap_common.h
index ae2d84ae..bdf0b1b7 100644
--- a/keyboard/stm32_f103_planck/keymap_common.h
+++ b/keyboard/stm32_f103_planck/keymap_common.h
@@ -29,11 +29,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "debug.h"
 #include "keymap.h"
 
-
-extern const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
-extern const uint16_t fn_actions[];
-
-
 /* TV44 keymap definition macro
  */
 #define KEYMAP( \
diff --git a/keyboard/stm32_f103_planck/keymap_planck.c b/keyboard/stm32_f103_planck/keymap_planck.c
index 8ccf98ae..cf7a8ba5 100644
--- a/keyboard/stm32_f103_planck/keymap_planck.c
+++ b/keyboard/stm32_f103_planck/keymap_planck.c
@@ -26,7 +26,7 @@ const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
            TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,HOME,PGDN,PGUP, END),
 };
 
-const uint16_t PROGMEM fn_actions[] = {
+const action_t PROGMEM fn_actions[] = {
     [0]  = ACTION_LAYER_TAP_KEY(3, KC_TAB),
     [1]  = ACTION_LAYER_TAP_KEY(1, KC_SPC),
     [2]  = ACTION_LAYER_TAP_KEY(2, KC_SPC),
diff --git a/keyboard/teensy_lc_planck/keymap_common.c b/keyboard/teensy_lc_planck/keymap_common.c
index fdb1769e..339a8a59 100644
--- a/keyboard/teensy_lc_planck/keymap_common.c
+++ b/keyboard/teensy_lc_planck/keymap_common.c
@@ -15,16 +15,3 @@ 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 "keymap_common.h"
-
-
-/* translates key to keycode */
-uint8_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
-{
-    return pgm_read_byte(&keymaps[(layer)][(key.row)][(key.col)]);
-}
-
-/* translates Fn keycode to action */
-action_t keymap_fn_to_action(uint8_t keycode)
-{
-    return (action_t){ .code = pgm_read_word(&fn_actions[FN_INDEX(keycode)]) };
-}
diff --git a/keyboard/teensy_lc_planck/keymap_planck.c b/keyboard/teensy_lc_planck/keymap_planck.c
index 2250fd71..cee18091 100644
--- a/keyboard/teensy_lc_planck/keymap_planck.c
+++ b/keyboard/teensy_lc_planck/keymap_planck.c
@@ -26,7 +26,7 @@ const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
            TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,HOME,PGDN,PGUP, END),
 };
 
-const uint16_t PROGMEM fn_actions[] = {
+const action_t PROGMEM fn_actions[] = {
     [0]  = ACTION_LAYER_TAP_KEY(3, KC_TAB),
     [1]  = ACTION_LAYER_TAP_KEY(1, KC_SPC),
     [2]  = ACTION_LAYER_TAP_KEY(2, KC_SPC),
diff --git a/keyboard/teensy_lc_tv44/keymap_common.c b/keyboard/teensy_lc_tv44/keymap_common.c
index fdb1769e..339a8a59 100644
--- a/keyboard/teensy_lc_tv44/keymap_common.c
+++ b/keyboard/teensy_lc_tv44/keymap_common.c
@@ -15,16 +15,3 @@ 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 "keymap_common.h"
-
-
-/* translates key to keycode */
-uint8_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
-{
-    return pgm_read_byte(&keymaps[(layer)][(key.row)][(key.col)]);
-}
-
-/* translates Fn keycode to action */
-action_t keymap_fn_to_action(uint8_t keycode)
-{
-    return (action_t){ .code = pgm_read_word(&fn_actions[FN_INDEX(keycode)]) };
-}
diff --git a/keyboard/teensy_lc_tv44/keymap_common.h b/keyboard/teensy_lc_tv44/keymap_common.h
index 9fa9b455..54666d48 100644
--- a/keyboard/teensy_lc_tv44/keymap_common.h
+++ b/keyboard/teensy_lc_tv44/keymap_common.h
@@ -29,11 +29,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "debug.h"
 #include "keymap.h"
 
-
-extern const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
-extern const uint16_t fn_actions[];
-
-
 /* TV44 keymap definition macro
  */
 #define KEYMAP( \
diff --git a/keyboard/teensy_lc_tv44/keymap_tv44.c b/keyboard/teensy_lc_tv44/keymap_tv44.c
index a0143c45..2eae39c7 100644
--- a/keyboard/teensy_lc_tv44/keymap_tv44.c
+++ b/keyboard/teensy_lc_tv44/keymap_tv44.c
@@ -26,7 +26,7 @@ const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
            TRNS, TRNS,  TRNS,      TRNS,    TRNS,      LEFT, DOWN, RGHT),
 };
 
-const uint16_t PROGMEM fn_actions[] = {
+const action_t PROGMEM fn_actions[] = {
     [0]  = ACTION_LAYER_TAP_KEY(3, KC_TAB),
     [1]  = ACTION_LAYER_TAP_KEY(1, KC_SPC),
     [2]  = ACTION_LAYER_TAP_KEY(2, KC_SPC),