diff --git a/builddefs/common_features.mk b/builddefs/common_features.mk
index c20c8be8bd..8be4e40d33 100644
--- a/builddefs/common_features.mk
+++ b/builddefs/common_features.mk
@@ -354,8 +354,8 @@ LED_MATRIX_DRIVER := aw20216s
 endif
 
 LED_MATRIX_ENABLE ?= no
-VALID_LED_MATRIX_TYPES := is31fl3218 is31fl3731 is31fl3736 is31fl3742a is31fl3743a is31fl3745 is31fl3746a ckled2001 custom
-# TODO: is31fl3733 is31fl3737 is31fl3741
+VALID_LED_MATRIX_TYPES := is31fl3218 is31fl3731 is31fl3733 is31fl3736 is31fl3742a is31fl3743a is31fl3745 is31fl3746a ckled2001 custom
+# TODO: is31fl3737 is31fl3741
 
 ifeq ($(strip $(LED_MATRIX_ENABLE)), yes)
     ifeq ($(filter $(LED_MATRIX_DRIVER),$(VALID_LED_MATRIX_TYPES)),)
@@ -391,6 +391,13 @@ endif
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
+    ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3733)
+        OPT_DEFS += -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31fl3733-simple.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
     ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3736)
         OPT_DEFS += -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
@@ -398,35 +405,35 @@ endif
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3742a)
+    ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3742a)
         OPT_DEFS += -DIS31FLCOMMON -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31flcommon.c
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3743a)
+    ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3743a)
         OPT_DEFS += -DIS31FLCOMMON -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31flcommon.c
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3745)
+    ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3745)
         OPT_DEFS += -DIS31FLCOMMON -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31flcommon.c
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3746a)
+    ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3746a)
         OPT_DEFS += -DIS31FLCOMMON -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31flcommon.c
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(LED_MATRIX_DRIVER)), ckled2001)
+    ifeq ($(strip $(LED_MATRIX_DRIVER)), ckled2001)
         OPT_DEFS += -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led
         SRC += ckled2001-simple.c
@@ -513,28 +520,28 @@ endif
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3742a)
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3742a)
         OPT_DEFS += -DIS31FLCOMMON -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31flcommon.c
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3743a)
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3743a)
         OPT_DEFS += -DIS31FLCOMMON -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31flcommon.c
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3745)
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3745)
         OPT_DEFS += -DIS31FLCOMMON -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31flcommon.c
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3746a)
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3746a)
         OPT_DEFS += -DIS31FLCOMMON -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31flcommon.c
diff --git a/docs/reference_info_json.md b/docs/reference_info_json.md
index 55de09f3c7..6a79b11b34 100644
--- a/docs/reference_info_json.md
+++ b/docs/reference_info_json.md
@@ -329,7 +329,7 @@ Configures the [LED Matrix](feature_led_matrix.md) feature.
         * The centroid (geometric center) of the LEDs. Used for certain effects.
         * Default: `[112, 32]`
     * `driver` (Required)
-        * The driver to use. Must be one of `ckled2001`, `custom`, `is31fl3218`, `is31fl3731`, `is31fl3736`, `is31fl3742a`, `is31fl3743a`, `is31fl3745`, `is31fl3746a`.
+        * The driver to use. Must be one of `ckled2001`, `custom`, `is31fl3218`, `is31fl3731`, `is31fl3733`, `is31fl3736`, `is31fl3742a`, `is31fl3743a`, `is31fl3745`, `is31fl3746a`.
     * `layout` (Required)
         * List of LED configuration dictionaries. Each dictionary contains:
             * `flags` (Required)
diff --git a/drivers/led/issi/is31fl3731-simple.c b/drivers/led/issi/is31fl3731-simple.c
index 19bbc73d12..5ea4613845 100644
--- a/drivers/led/issi/is31fl3731-simple.c
+++ b/drivers/led/issi/is31fl3731-simple.c
@@ -61,31 +61,8 @@ uint8_t g_twi_transfer_buffer[20];
 uint8_t g_pwm_buffer[IS31FL3731_DRIVER_COUNT][144];
 bool    g_pwm_buffer_update_required[IS31FL3731_DRIVER_COUNT] = {false};
 
-/* There's probably a better way to init this... */
-#if IS31FL3731_DRIVER_COUNT == 1
-uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {{0}};
-#elif IS31FL3731_DRIVER_COUNT == 2
-uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {{0}, {0}};
-#elif IS31FL3731_DRIVER_COUNT == 3
-uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {{0}, {0}, {0}};
-#elif IS31FL3731_DRIVER_COUNT == 4
-uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18] = {{0}, {0}, {0}, {0}};
-#endif
-bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};
-
-// This is the bit pattern in the LED control registers
-// (for matrix A, add one to register for matrix B)
-//
-//  reg -  b7  b6  b5  b4  b3  b2  b1  b0
-// 0x00 - R08,R07,R06,R05,R04,R03,R02,R01
-// 0x02 - G08,G07,G06,G05,G04,G03,G02,R00
-// 0x04 - B08,B07,B06,B05,B04,B03,G01,G00
-// 0x06 -  - , - , - , - , - ,B02,B01,B00
-// 0x08 -  - , - , - , - , - , - , - , -
-// 0x0A - B17,B16,B15, - , - , - , - , -
-// 0x0C - G17,G16,B14,B13,B12,B11,B10,B09
-// 0x0E - R17,G15,G14,G13,G12,G11,G10,G09
-// 0x10 - R16,R15,R14,R13,R12,R11,R10,R09
+uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18]             = {0};
+bool    g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};
 
 void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
     g_twi_transfer_buffer[0] = reg;
diff --git a/drivers/led/issi/is31fl3731.c b/drivers/led/issi/is31fl3731.c
index 2123438a5f..d6ee5cdd94 100644
--- a/drivers/led/issi/is31fl3731.c
+++ b/drivers/led/issi/is31fl3731.c
@@ -60,23 +60,9 @@ uint8_t g_twi_transfer_buffer[20];
 uint8_t g_pwm_buffer[IS31FL3731_DRIVER_COUNT][144];
 bool    g_pwm_buffer_update_required[IS31FL3731_DRIVER_COUNT] = {false};
 
-uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18]             = {{0}};
+uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][18]             = {0};
 bool    g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};
 
-// This is the bit pattern in the LED control registers
-// (for matrix A, add one to register for matrix B)
-//
-//  reg -  b7  b6  b5  b4  b3  b2  b1  b0
-// 0x00 - R08,R07,R06,R05,R04,R03,R02,R01
-// 0x02 - G08,G07,G06,G05,G04,G03,G02,R00
-// 0x04 - B08,B07,B06,B05,B04,B03,G01,G00
-// 0x06 -  - , - , - , - , - ,B02,B01,B00
-// 0x08 -  - , - , - , - , - , - , - , -
-// 0x0A - B17,B16,B15, - , - , - , - , -
-// 0x0C - G17,G16,B14,B13,B12,B11,B10,B09
-// 0x0E - R17,G15,G14,G13,G12,G11,G10,G09
-// 0x10 - R16,R15,R14,R13,R12,R11,R10,R09
-
 void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
     g_twi_transfer_buffer[0] = reg;
     g_twi_transfer_buffer[1] = data;
diff --git a/drivers/led/issi/is31fl3733-simple.c b/drivers/led/issi/is31fl3733-simple.c
index 514d9e366d..6f7a8af79c 100644
--- a/drivers/led/issi/is31fl3733-simple.c
+++ b/drivers/led/issi/is31fl3733-simple.c
@@ -75,17 +75,8 @@ uint8_t g_twi_transfer_buffer[20];
 uint8_t g_pwm_buffer[IS31FL3733_DRIVER_COUNT][192];
 bool    g_pwm_buffer_update_required[IS31FL3733_DRIVER_COUNT] = {false};
 
-/* There's probably a better way to init this... */
-#if IS31FL3733_DRIVER_COUNT == 1
-uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {{0}};
-#elif IS31FL3733_DRIVER_COUNT == 2
-uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {{0}, {0}};
-#elif IS31FL3733_DRIVER_COUNT == 3
-uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {{0}, {0}, {0}};
-#elif IS31FL3733_DRIVER_COUNT == 4
-uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24] = {{0}, {0}, {0}, {0}};
-#endif
-bool g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] = {false};
+uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][24]             = {0};
+bool    g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT] = {false};
 
 bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
     // If the transaction fails function returns false.