10 files changed, 4 insertions, 36 deletions
diff --git a/keyboards/rgbkb/pan/pan.c b/keyboards/rgbkb/pan/pan.c
index c367550e49..6a17456390 100644
--- a/keyboards/rgbkb/pan/pan.c
+++ b/keyboards/rgbkb/pan/pan.c
@@ -51,7 +51,7 @@ static inline void setled(int i, uint8_t r, uint8_t g, uint8_t b) {
 }
 
 static void setled_all(uint8_t r, uint8_t g, uint8_t b) {
-    for (int i = 0; i < sizeof(rgb_matrix_ws2812_array) / sizeof(rgb_matrix_ws2812_array[0]); i++) {
+    for (int i = 0; i < ARRAY_SIZE(rgb_matrix_ws2812_array); i++) {
         setled(i, r, g, b);
     }
 }
diff --git a/keyboards/rgbkb/sol/keymaps/default/keymap.c b/keyboards/rgbkb/sol/keymaps/default/keymap.c
index 1ce18bc1ab..87241521ae 100644
--- a/keyboards/rgbkb/sol/keymaps/default/keymap.c
+++ b/keyboards/rgbkb/sol/keymaps/default/keymap.c
@@ -202,7 +202,7 @@ const rgb_matrix_f rgb_matrix_functions[6][2] = {
 #ifdef ENCODER_ENABLE
 
 static pin_t encoders_pad_a[] = ENCODERS_PAD_A;
-#define NUMBER_OF_ENCODERS (sizeof(encoders_pad_a)/sizeof(pin_t))
+#define NUMBER_OF_ENCODERS ARRAY_SIZE(encoders_pad_a)
 
 const uint16_t PROGMEM encoders[][NUMBER_OF_ENCODERS * 2][2]  = {
     [_QWERTY] = ENCODER_LAYOUT(
diff --git a/keyboards/rgbkb/sol/keymaps/xyverz/keymap.c b/keyboards/rgbkb/sol/keymaps/xyverz/keymap.c
index cdd0c6620a..d042a4fe27 100644
--- a/keyboards/rgbkb/sol/keymaps/xyverz/keymap.c
+++ b/keyboards/rgbkb/sol/keymaps/xyverz/keymap.c
@@ -232,7 +232,7 @@ const rgb_matrix_f rgb_matrix_functions[6][2] = {
 #ifdef ENCODER_ENABLE
 
 static pin_t encoders_pad_a[] = ENCODERS_PAD_A;
-#define NUMBER_OF_ENCODERS (sizeof(encoders_pad_a)/sizeof(pin_t))
+#define NUMBER_OF_ENCODERS ARRAY_SIZE(encoders_pad_a)
 
 const uint16_t PROGMEM encoders[][NUMBER_OF_ENCODERS * 2][2]  = {
     [_QWERTY] = ENCODER_LAYOUT( \
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/333fred/config.h b/keyboards/rgbkb/zen/rev1/keymaps/333fred/config.h
index 38e5590d38..3d3186342f 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/333fred/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/333fred/config.h
@@ -24,10 +24,6 @@
 
 #include "config_common.h"
 
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-
 /* Select hand configuration */
 //#define MASTER_LEFT
 #define EE_HANDS
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/cwebster2/config.h b/keyboards/rgbkb/zen/rev1/keymaps/cwebster2/config.h
index cdffe6fd50..c150da1cdd 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/cwebster2/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/cwebster2/config.h
@@ -19,10 +19,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "config_common.h"
 
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-
 #define EE_HANDS
 
 #ifdef COMBO_ENABLE
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/default/config.h b/keyboards/rgbkb/zen/rev1/keymaps/default/config.h
index 4a549c5b1f..76598a3ee5 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/default/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/default/config.h
@@ -19,11 +19,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "config_common.h"
 
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
 /* Select hand configuration */
 
 #define MASTER_LEFT
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/jwlawrence/config.h b/keyboards/rgbkb/zen/rev1/keymaps/jwlawrence/config.h
index d813085e46..fa8d58e6c4 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/jwlawrence/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/jwlawrence/config.h
@@ -19,11 +19,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 // place overrides here
 
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
 /* Select hand configuration */
 
 #define MASTER_LEFT
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/samae/config.h b/keyboards/rgbkb/zen/rev1/keymaps/samae/config.h
index d7b37d5252..debae6aeb8 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/samae/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/samae/config.h
@@ -19,11 +19,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "config_common.h"
 
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
 /* Select hand configuration */
 
 // #define MASTER_LEFT
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/starcalleramethyst/config.h b/keyboards/rgbkb/zen/rev1/keymaps/starcalleramethyst/config.h
index d3d1a60ca9..91f63a55ba 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/starcalleramethyst/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/starcalleramethyst/config.h
@@ -1,5 +1,5 @@
 /*
-Copyright 2019 starcalleramethyst 
+Copyright 2019 starcalleramethyst
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -17,12 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
-// #define USE_I2C
-
 /* Select hand configuration */
 
 #define MASTER_LEFT
diff --git a/keyboards/rgbkb/zen/rev1/keymaps/xyverz/config.h b/keyboards/rgbkb/zen/rev1/keymaps/xyverz/config.h
index d3e21ea172..f0ded5f66f 100644
--- a/keyboards/rgbkb/zen/rev1/keymaps/xyverz/config.h
+++ b/keyboards/rgbkb/zen/rev1/keymaps/xyverz/config.h
@@ -19,9 +19,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "config_common.h"
 
-/* Use I2C or Serial, not both */
-
-#define USE_SERIAL
 #define EE_HANDS
 
 #undef RGBLED_NUM