diff --git a/lcd.cpp b/lcd.cpp
index bbc7380..686ef5d 100644
--- a/lcd.cpp
+++ b/lcd.cpp
@@ -29,23 +29,22 @@ constexpr int LCD_ENABLE_BIT = 0x04;
 
 LCD::LCD(i2c_inst_t *i2c, const uint gpio_sda, const uint gpio_scl,
          const uint8_t i2c_addr, uint8_t num_cols, uint8_t num_lines)
-    : i2c{i2c}, i2c_addr{i2c_addr}, num_cols{num_cols}, num_lines{num_lines}
-{
-  i2c_init(i2c1, 100 * 1000);
-  gpio_set_function(gpio_sda, GPIO_FUNC_I2C);
-  gpio_set_function(gpio_scl, GPIO_FUNC_I2C);
-  gpio_pull_up(gpio_sda);
-  gpio_pull_up(gpio_scl);
+    : i2c{i2c}, i2c_addr{i2c_addr}, num_cols{num_cols}, num_lines{num_lines} {
+    i2c_init(i2c1, 100 * 1000);
+    gpio_set_function(gpio_sda, GPIO_FUNC_I2C);
+    gpio_set_function(gpio_scl, GPIO_FUNC_I2C);
+    gpio_pull_up(gpio_sda);
+    gpio_pull_up(gpio_scl);
 
-  sendByte(0x03, Mode::COMMAND);
-  sendByte(0x03, Mode::COMMAND);
-  sendByte(0x03, Mode::COMMAND);
-  sendByte(0x02, Mode::COMMAND);
+    sendByte(0x03, Mode::COMMAND);
+    sendByte(0x03, Mode::COMMAND);
+    sendByte(0x03, Mode::COMMAND);
+    sendByte(0x02, Mode::COMMAND);
 
-  sendByte(LCD_ENTRYMODESET | LCD_ENTRYLEFT, Mode::COMMAND);
-  sendByte(LCD_FUNCTIONSET | LCD_2LINE, Mode::COMMAND);
-  sendByte(LCD_DISPLAYCONTROL | LCD_DISPLAYON, Mode::COMMAND);
-  clear();
+    sendByte(LCD_ENTRYMODESET | LCD_ENTRYLEFT, Mode::COMMAND);
+    sendByte(LCD_FUNCTIONSET | LCD_2LINE, Mode::COMMAND);
+    sendByte(LCD_DISPLAYCONTROL | LCD_DISPLAYON, Mode::COMMAND);
+    clear();
 }
 
 // go to location on LCD
@@ -54,65 +53,38 @@ void LCD::setCursor(int line, int position) {
     sendByte(val, Mode::COMMAND);
 }
 
-void LCD::sendChar(char val) {
-    sendByte(val, Mode::CHARACTER);
-}
+void LCD::sendChar(char val) { sendByte(val, Mode::CHARACTER); }
 
 void LCD::sendString(const std::string &str) {
-  for (const char &c : str)  {
-    sendChar(c);
-  }
+    for (const char &c : str) {
+        sendChar(c);
+    }
 }
 
-void LCD::clear() {
-    sendByte(LCD_CLEARDISPLAY, Mode::COMMAND);
+void LCD::clear() { sendByte(LCD_CLEARDISPLAY, Mode::COMMAND); }
+
+void LCD::i2cWriteByte(uint8_t val) {
+    i2c_write_blocking(i2c, i2c_addr, &val, 1, false);
 }
 
-void LCD::i2cWriteByte(uint8_t val)
-{
-  i2c_write_blocking(i2c, i2c_addr, &val, 1, false);
-}
-
-void LCD::toggleEnable(uint8_t val)
-{
-  // Toggle enable pin on LCD display
-  // We cannot do this too quickly or things don't work
-  constexpr uint64_t DELAY_US = 600;
-  sleep_us(DELAY_US);
-  i2cWriteByte(val | LCD_ENABLE_BIT);
-  sleep_us(DELAY_US);
-  i2cWriteByte(val & ~LCD_ENABLE_BIT);
-  sleep_us(DELAY_US);
+void LCD::toggleEnable(uint8_t val) {
+    // Toggle enable pin on LCD display
+    // We cannot do this too quickly or things don't work
+    constexpr uint64_t DELAY_US = 600;
+    sleep_us(DELAY_US);
+    i2cWriteByte(val | LCD_ENABLE_BIT);
+    sleep_us(DELAY_US);
+    i2cWriteByte(val & ~LCD_ENABLE_BIT);
+    sleep_us(DELAY_US);
 }
 
 // The display is sent a byte as two separate nibble transfers
-void LCD::sendByte(uint8_t val, Mode mode)
-{
-  uint8_t high = static_cast<int>(mode) | (val & 0xF0) | LCD_BACKLIGHT;
-  uint8_t low = static_cast<int>(mode) | ((val << 4) & 0xF0) | LCD_BACKLIGHT;
+void LCD::sendByte(uint8_t val, Mode mode) {
+    uint8_t high = static_cast<int>(mode) | (val & 0xF0) | LCD_BACKLIGHT;
+    uint8_t low = static_cast<int>(mode) | ((val << 4) & 0xF0) | LCD_BACKLIGHT;
 
-  i2cWriteByte(high);
-  toggleEnable(high);
-  i2cWriteByte(low);
-  toggleEnable(low);
+    i2cWriteByte(high);
+    toggleEnable(high);
+    i2cWriteByte(low);
+    toggleEnable(low);
 }
-
-int LCD::backlight_off()
-{
-  uint8_t data = 0;
-  int ret{0};
-
-  ret = i2c_write_blocking(i2c1, i2c_addr, &data, 1, false);
-
-  return ret;
-}
-
-int LCD::backlight_on()
-{
-  int ret{0};
-  /*uint8_t data = 1 << SHIFT_BACKLIGHT;
-
-  ret = i2c_write_blocking(i2c1, i2c_addr, &data, 1, false);*/
-
-  return ret;
-}
\ No newline at end of file
diff --git a/lcd.h b/lcd.h
index f6c3875..aca2d96 100644
--- a/lcd.h
+++ b/lcd.h
@@ -6,19 +6,14 @@
 #include "hardware/i2c.h"
 #include "pico/stdlib.h"
 
-enum class Mode
-{
-  COMMAND,
-  CHARACTER
-};
+enum class Mode { COMMAND, CHARACTER };
 
-class LCD
-{
+class LCD {
 public:
   LCD(i2c_inst_t *i2c, const uint gpio_sda, const uint gpio_scl,
-      const uint8_t i2c_addr = 0x27, uint8_t num_cols = 16, uint8_t num_lines = 2);
-  int backlight_off();
-  int backlight_on();
+      const uint8_t i2c_addr = 0x27, uint8_t num_cols = 16,
+      uint8_t num_lines = 2);
+
   void sendString(const std::string &str);
   void setCursor(int line, int position);
   void clear();