diff --git a/keyboards/ergodox/keymaps/ordinary/keymap.c b/keyboards/ergodox/keymaps/ordinary/keymap.c
index 302c41cc8d4..5c01d967840 100644
--- a/keyboards/ergodox/keymaps/ordinary/keymap.c
+++ b/keyboards/ergodox/keymaps/ordinary/keymap.c
@@ -1,5 +1,6 @@
 #include "ergodox.h"
 #include "led.h"
+#include "mousekey.h"
 #include "debug.h"
 #include "action_layer.h"
 #include "action_util.h"
diff --git a/keyboards/ergodox/keymaps/robot_test_layout/keymap.c b/keyboards/ergodox/keymaps/robot_test_layout/keymap.c
index 480be177f09..e9e2597d7e0 100644
--- a/keyboards/ergodox/keymaps/robot_test_layout/keymap.c
+++ b/keyboards/ergodox/keymaps/robot_test_layout/keymap.c
@@ -68,7 +68,7 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
     case RGB_FF0000:
       if (record->event.pressed) {
         #ifdef RGBLIGHT_ENABLE
-          EZ_RGB(0xff0000);
+          EZ_RGB(0xff0000UL);
           register_code(KC_1); unregister_code(KC_1);
         #endif
       }
@@ -77,7 +77,7 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
     case RGB_00FF00:
       if (record->event.pressed) {
         #ifdef RGBLIGHT_ENABLE
-          EZ_RGB(0x00ff00);
+          EZ_RGB(0x00ff00UL);
           register_code(KC_2); unregister_code(KC_2);
         #endif
       }
@@ -86,7 +86,7 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
     case RGB_0000FF:
       if (record->event.pressed) {
         #ifdef RGBLIGHT_ENABLE
-          EZ_RGB(0x0000ff);
+          EZ_RGB(0x0000ffUL);
           register_code(KC_3); unregister_code(KC_3);
         #endif
       }
@@ -95,7 +95,7 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
     case RGB_FFFFFF:
       if (record->event.pressed) {
         #ifdef RGBLIGHT_ENABLE
-          EZ_RGB(0xffffff);
+          EZ_RGB(0xffffffUL);
           register_code(KC_4); unregister_code(KC_4);
         #endif
       }
diff --git a/quantum/config_common.h b/quantum/config_common.h
index 4bdb2065d94..28f68b9c700 100644
--- a/quantum/config_common.h
+++ b/quantum/config_common.h
@@ -2,8 +2,10 @@
 #define CONFIG_DEFINITIONS_H
 
 /* diode directions */
-#define COL2ROW 0
-#define ROW2COL 1
+#define COL2ROW       0
+#define ROW2COL       1
+#define CUSTOM_MATRIX 2 /* Disables built-in matrix scanning code */
+
 /* I/O pins */
 #ifndef F0
     #define B0 0x30
diff --git a/quantum/light_ws2812.c b/quantum/light_ws2812.c
index a883b138848..55bdd9cd819 100755
--- a/quantum/light_ws2812.c
+++ b/quantum/light_ws2812.c
@@ -70,7 +70,7 @@ void I2C_WriteBit(unsigned char c)
 
 // Inits bitbanging port, must be called before using the functions below
 //
-void I2C_Init()
+void I2C_Init(void)
 {
     I2C_PORT &= ~ ((1 << I2C_DAT) | (1 << I2C_CLK));
 
@@ -82,7 +82,7 @@ void I2C_Init()
 
 // Send a START Condition
 //
-void I2C_Start()
+void I2C_Start(void)
 {
     // set both to high at the same time
     I2C_DDR &= ~ ((1 << I2C_DAT) | (1 << I2C_CLK));
@@ -97,7 +97,7 @@ void I2C_Start()
 
 // Send a STOP Condition
 //
-void I2C_Stop()
+void I2C_Stop(void)
 {
     I2C_CLOCK_HI();
     _delay_us(I2C_DELAY);
diff --git a/quantum/matrix.c b/quantum/matrix.c
index 07eb87bc362..ac523482ad1 100644
--- a/quantum/matrix.c
+++ b/quantum/matrix.c
@@ -60,13 +60,14 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
     extern const matrix_row_t matrix_mask[];
 #endif
 
+#if (DIODE_DIRECTION == ROW2COL) || (DIODE_DIRECTION == COL2ROW)
 static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
 static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
+#endif
 
 /* matrix state(1:on, 0:off) */
 static matrix_row_t matrix[MATRIX_ROWS];
 
-static matrix_row_t matrix_raw[MATRIX_ROWS];
 static matrix_row_t matrix_debouncing[MATRIX_ROWS];
 
 
@@ -76,7 +77,7 @@ static matrix_row_t matrix_debouncing[MATRIX_ROWS];
     static void unselect_rows(void);
     static void select_row(uint8_t row);
     static void unselect_row(uint8_t row);
-#else // ROW2COL
+#elif (DIODE_DIRECTION == ROW2COL)
     static void init_rows(void);
     static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col);
     static void unselect_cols(void);
@@ -133,7 +134,7 @@ uint8_t matrix_cols(void) {
 //         /* PORTxn */
 //         _SFR_IO8((col_pins[c] >> 4) + 2) |= _BV(col_pins[c] & 0xF);
 //     }
-// #else
+// #elif (DIODE_DIRECTION == ROW2COL)
 //     for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
 //         /* DDRxn */
 //         _SFR_IO8((col_pins[c] >> 4) + 1) |= _BV(col_pins[c] & 0xF);
@@ -158,7 +159,7 @@ void matrix_init(void) {
 #if (DIODE_DIRECTION == COL2ROW)
     unselect_rows();
     init_cols();
-#else // ROW2COL
+#elif (DIODE_DIRECTION == ROW2COL)
     unselect_cols();
     init_rows();
 #endif
@@ -166,7 +167,6 @@ void matrix_init(void) {
     // initialize matrix state: all keys off
     for (uint8_t i=0; i < MATRIX_ROWS; i++) {
         matrix[i] = 0;
-        matrix_raw[i] = 0;
         matrix_debouncing[i] = 0;
     }
 
@@ -194,7 +194,7 @@ uint8_t matrix_scan(void)
 
     }
 
-#else // ROW2COL
+#elif (DIODE_DIRECTION == ROW2COL)
 
     // Set col, read rows
     for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
@@ -336,7 +336,7 @@ static void unselect_rows(void)
     }
 }
 
-#else // ROW2COL
+#elif (DIODE_DIRECTION == ROW2COL)
 
 static void init_rows(void)
 {
diff --git a/quantum/template/config.h b/quantum/template/config.h
index b02f0c7ebc8..c61c4a61812 100644
--- a/quantum/template/config.h
+++ b/quantum/template/config.h
@@ -46,7 +46,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MATRIX_COL_PINS { F1, F0, B0 }
 #define UNUSED_PINS
 
-/* COL2ROW or ROW2COL */
+/* COL2ROW, ROW2COL, or CUSTOM_MATRIX */
 #define DIODE_DIRECTION COL2ROW
  
 // #define BACKLIGHT_PIN B7
diff --git a/tmk_core/common/keyboard.c b/tmk_core/common/keyboard.c
index 7653507928b..3aa82231b08 100644
--- a/tmk_core/common/keyboard.c
+++ b/tmk_core/common/keyboard.c
@@ -14,6 +14,7 @@ GNU General Public License for more details.
 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 <stdint.h>
 #include "keyboard.h"
 #include "matrix.h"
diff --git a/tmk_core/common/matrix.h b/tmk_core/common/matrix.h
index cee3593eee4..2543f5abce7 100644
--- a/tmk_core/common/matrix.h
+++ b/tmk_core/common/matrix.h
@@ -50,7 +50,7 @@ void matrix_init(void);
 uint8_t matrix_scan(void);
 /* whether modified from previous scan. used after matrix_scan. */
 bool matrix_is_modified(void) __attribute__ ((deprecated));
-/* whether a swtich is on */
+/* whether a switch is on */
 bool matrix_is_on(uint8_t row, uint8_t col);
 /* matrix state on row */
 matrix_row_t matrix_get_row(uint8_t row);
diff --git a/tmk_core/common/report.h b/tmk_core/common/report.h
index 0c799eca39a..8fb28b6ce35 100644
--- a/tmk_core/common/report.h
+++ b/tmk_core/common/report.h
@@ -134,13 +134,6 @@ typedef union {
     } nkro;
 #endif
 } __attribute__ ((packed)) report_keyboard_t;
-/*
-typedef struct {
-    uint8_t mods;
-    uint8_t reserved;
-    uint8_t keys[REPORT_KEYS];
-} __attribute__ ((packed)) report_keyboard_t;
-*/
 
 typedef struct {
     uint8_t buttons;