diff --git a/keyboards/peranekofactory/tone/rev1/config.h b/keyboards/peranekofactory/tone/rev1/config.h
index 22658c9c78..54a59ed551 100644
--- a/keyboards/peranekofactory/tone/rev1/config.h
+++ b/keyboards/peranekofactory/tone/rev1/config.h
@@ -28,7 +28,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* key matrix size */
 #define MATRIX_ROWS 1
-#define MATRIX_COLS 10
+#define MATRIX_COLS 8
 
 /*
  * Keyboard Matrix Assignments
@@ -42,19 +42,13 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #define DIRECT_PINS { \
-	{ D4, C6, D7, E6, F6, F7, B1, B3 } \
+    { D4, C6, D7, E6, F6, F7, B1, B3 } \
 }
 #define UNUSED_PINS
 
-/*
-#define MATRIX_ROW_PINS { NO_PIN }
-#define MATRIX_COL_PINS { F6,F7,B1,B3,D4,C6,D7,E6 }
-#define UNUSED_PINS
-*/
-
 /* COL2ROW, ROW2COL */
 #define DIODE_DIRECTION COL2ROW
-    
+
 /* Rotary encoder define*/
 #define ENCODERS_PAD_A { B5 }
 #define ENCODERS_PAD_B { B4 }
diff --git a/keyboards/peranekofactory/tone/rev2/config.h b/keyboards/peranekofactory/tone/rev2/config.h
index f49c38e4b8..54a59ed551 100644
--- a/keyboards/peranekofactory/tone/rev2/config.h
+++ b/keyboards/peranekofactory/tone/rev2/config.h
@@ -28,7 +28,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* key matrix size */
 #define MATRIX_ROWS 1
-#define MATRIX_COLS 10
+#define MATRIX_COLS 8
 
 /*
  * Keyboard Matrix Assignments
@@ -42,13 +42,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #define DIRECT_PINS { \
-	{ D4,C6,D7,E6,F6,F7,B1,B3 } \
+    { D4, C6, D7, E6, F6, F7, B1, B3 } \
 }
-
-/*
-#define MATRIX_ROW_PINS { NO_PIN }
-#define MATRIX_COL_PINS { D4,C6,D7,E6,F6,F7,B1,B3 }
-*/
 #define UNUSED_PINS
 
 /* COL2ROW, ROW2COL */
diff --git a/keyboards/sekigon/grs_70ec/config.h b/keyboards/sekigon/grs_70ec/config.h
index aa740e7775..b1559fcc2f 100644
--- a/keyboards/sekigon/grs_70ec/config.h
+++ b/keyboards/sekigon/grs_70ec/config.h
@@ -45,7 +45,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 #define MATRIX_ROW_PINS { C6, D7, E6, B4, B5 }
-#define MATRIX_COL_PINS { S2, S1, S0, S3, S5, S7, S6, S4 }
+#define MATRIX_COL_CHANNELS { 2, 1, 0, 3, 5, 7, 6, 4 }
 #define UNUSED_PINS
 #define DISCHARGE_PIN B1
 #define ANALOG_PORT F6
diff --git a/keyboards/sekigon/grs_70ec/ec_switch_matrix.c b/keyboards/sekigon/grs_70ec/ec_switch_matrix.c
index 88e9bdabdb..d1c2d85ac8 100644
--- a/keyboards/sekigon/grs_70ec/ec_switch_matrix.c
+++ b/keyboards/sekigon/grs_70ec/ec_switch_matrix.c
@@ -20,19 +20,9 @@
 #include "analog.h"
 #include "print.h"
 
-// sensing channel definitions
-#define S0 0
-#define S1 1
-#define S2 2
-#define S3 3
-#define S4 4
-#define S5 5
-#define S6 6
-#define S7 7
-
 // pin connections
 const uint8_t row_pins[]     = MATRIX_ROW_PINS;
-const uint8_t col_channels[] = MATRIX_COL_PINS;
+const uint8_t col_channels[] = MATRIX_COL_CHANNELS;
 const uint8_t mux_sel_pins[] = MUX_SEL_PINS;
 
 _Static_assert(sizeof(mux_sel_pins) == 3, "invalid MUX_SEL_PINS");