diff --git a/drivers/led/issi/is31fl3733-mono.c b/drivers/led/issi/is31fl3733-mono.c
index 21cd65a154c1..bd3d15c5166f 100644
--- a/drivers/led/issi/is31fl3733-mono.c
+++ b/drivers/led/issi/is31fl3733-mono.c
@@ -77,23 +77,17 @@ bool    g_pwm_buffer_update_required[IS31FL3733_DRIVER_COUNT] = {false};
 uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][IS31FL3733_LED_CONTROL_REGISTER_COUNT] = {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.
+void is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
     i2c_transfer_buffer[0] = reg;
     i2c_transfer_buffer[1] = data;
 
 #if IS31FL3733_I2C_PERSISTENCE > 0
     for (uint8_t i = 0; i < IS31FL3733_I2C_PERSISTENCE; i++) {
-        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) != 0) {
-            return false;
-        }
+        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) == 0) break;
     }
 #else
-    if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) != 0) {
-        return false;
-    }
+    i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT);
 #endif
-    return true;
 }
 
 void is31fl3733_select_page(uint8_t addr, uint8_t page) {
diff --git a/drivers/led/issi/is31fl3733-mono.h b/drivers/led/issi/is31fl3733-mono.h
index dcb33e448f66..5a588834b8df 100644
--- a/drivers/led/issi/is31fl3733-mono.h
+++ b/drivers/led/issi/is31fl3733-mono.h
@@ -116,7 +116,7 @@ extern const is31fl3733_led_t PROGMEM g_is31fl3733_leds[IS31FL3733_LED_COUNT];
 
 void is31fl3733_init_drivers(void);
 void is31fl3733_init(uint8_t addr, uint8_t sync);
-bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
+void is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
 void is31fl3733_select_page(uint8_t addr, uint8_t page);
 bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
 
diff --git a/drivers/led/issi/is31fl3733.c b/drivers/led/issi/is31fl3733.c
index 06de119c6901..ad98bd3cec2b 100644
--- a/drivers/led/issi/is31fl3733.c
+++ b/drivers/led/issi/is31fl3733.c
@@ -76,23 +76,17 @@ bool    g_pwm_buffer_update_required[IS31FL3733_DRIVER_COUNT] = {false};
 uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][IS31FL3733_LED_CONTROL_REGISTER_COUNT] = {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.
+void is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
     i2c_transfer_buffer[0] = reg;
     i2c_transfer_buffer[1] = data;
 
 #if IS31FL3733_I2C_PERSISTENCE > 0
     for (uint8_t i = 0; i < IS31FL3733_I2C_PERSISTENCE; i++) {
-        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) != 0) {
-            return false;
-        }
+        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) == 0) break;
     }
 #else
-    if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) != 0) {
-        return false;
-    }
+    i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT);
 #endif
-    return true;
 }
 
 void is31fl3733_select_page(uint8_t addr, uint8_t page) {
diff --git a/drivers/led/issi/is31fl3733.h b/drivers/led/issi/is31fl3733.h
index a90325a6e911..f273f1f0032a 100644
--- a/drivers/led/issi/is31fl3733.h
+++ b/drivers/led/issi/is31fl3733.h
@@ -141,7 +141,7 @@ extern const is31fl3733_led_t PROGMEM g_is31fl3733_leds[IS31FL3733_LED_COUNT];
 
 void is31fl3733_init_drivers(void);
 void is31fl3733_init(uint8_t addr, uint8_t sync);
-bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
+void is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
 void is31fl3733_select_page(uint8_t addr, uint8_t page);
 bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
 
diff --git a/keyboards/input_club/k_type/is31fl3733-dual.c b/keyboards/input_club/k_type/is31fl3733-dual.c
index 385416439a8f..33734001e027 100644
--- a/keyboards/input_club/k_type/is31fl3733-dual.c
+++ b/keyboards/input_club/k_type/is31fl3733-dual.c
@@ -74,23 +74,17 @@ bool    g_pwm_buffer_update_required[IS31FL3733_DRIVER_COUNT] = {false};
 uint8_t g_led_control_registers[IS31FL3733_DRIVER_COUNT][IS31FL3733_LED_CONTROL_REGISTER_COUNT] = {0};
 bool    g_led_control_registers_update_required[IS31FL3733_DRIVER_COUNT]                        = {false};
 
-bool is31fl3733_write_register(uint8_t index, uint8_t addr, uint8_t reg, uint8_t data) {
-    // If the transaction fails function returns false.
+void is31fl3733_write_register(uint8_t index, uint8_t addr, uint8_t reg, uint8_t data) {
     i2c_transfer_buffer[0] = reg;
     i2c_transfer_buffer[1] = data;
 
 #if IS31FL3733_I2C_PERSISTENCE > 0
     for (uint8_t i = 0; i < IS31FL3733_I2C_PERSISTENCE; i++) {
-        if (i2c_transmit(index, addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) != 0) {
-            return false;
-        }
+        if (i2c_transmit(index, addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) == 0) break;
     }
 #else
-    if (i2c_transmit(index, addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT) != 0) {
-        return false;
-    }
+    i2c_transmit(index, addr << 1, i2c_transfer_buffer, 2, IS31FL3733_I2C_TIMEOUT);
 #endif
-    return true;
 }
 
 void is31fl3733_select_page(uint8_t index, uint8_t addr, uint8_t page) {
diff --git a/keyboards/input_club/k_type/is31fl3733-dual.h b/keyboards/input_club/k_type/is31fl3733-dual.h
index 99a5ebbb8291..3368794cbac3 100644
--- a/keyboards/input_club/k_type/is31fl3733-dual.h
+++ b/keyboards/input_club/k_type/is31fl3733-dual.h
@@ -83,7 +83,7 @@ extern const is31fl3733_led_t PROGMEM g_is31fl3733_leds[IS31FL3733_LED_COUNT];
 
 void is31fl3733_init_drivers(void);
 void is31fl3733_init(uint8_t bus, uint8_t addr, uint8_t sync);
-bool is31fl3733_write_register(uint8_t index, uint8_t addr, uint8_t reg, uint8_t data);
+void is31fl3733_write_register(uint8_t index, uint8_t addr, uint8_t reg, uint8_t data);
 void is31fl3733_select_page(uint8_t index, uint8_t addr, uint8_t page);
 bool is31fl3733_write_pwm_buffer(uint8_t index, uint8_t addr, uint8_t *pwm_buffer);