diff --git a/CMakeLists.txt b/CMakeLists.txt
index d30234b..1c1c705 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,7 +49,10 @@ target_compile_options(${PROJECT} PRIVATE ) #-Wall -Wextra
 target_compile_definitions(${PROJECT} PRIVATE PIO_USB_USE_TINYUSB)
 
 # needed so tinyusb can find tusb_config.h
-target_include_directories(${PROJECT} PRIVATE ${CMAKE_CURRENT_LIST_DIR} ${TUSB_NETWORKING_PATH})
+target_include_directories(${PROJECT} PRIVATE
+	${CMAKE_CURRENT_LIST_DIR}
+	${TUSB_NETWORKING_PATH}
+)
 
 target_link_libraries(${PROJECT} PRIVATE
 	pico_lwip
diff --git a/aw410k.c b/aw410k.c
index 1284023..ccae4d9 100644
--- a/aw410k.c
+++ b/aw410k.c
@@ -29,7 +29,6 @@ static void send_color(uint8_t dev_addr);
 static void send_initial(uint8_t dev_addr);
 static struct key * find_key(char * name);
 static void set_color(char * name, uint8_t red, uint8_t green, uint8_t blue, uint8_t mode);
-static void set_color_all(uint8_t red, uint8_t green, uint8_t blue, uint8_t mode);
 
 static struct key key_list[NUM_KEYS] =
 {
@@ -144,7 +143,6 @@ static struct key key_list[NUM_KEYS] =
 
 void get_light() {
 	// get ADC reading from LDR every 500ms
-	// if above threshold, set backlight to off
 	if ( absolute_time_diff_us(lastRead, get_absolute_time()) >= 500000) {
 		adc_value = adc_read();
 	}
@@ -316,20 +314,6 @@ static void set_color(char * name, uint8_t red, uint8_t green, uint8_t blue, uin
 	}
 }
 
-// set RGB color for all keys
-static void set_color_all(uint8_t red, uint8_t green, uint8_t blue, uint8_t mode) {
-	for (uint8_t i=0; i<NUM_KEYS; i++) {
-		key_list[i].red = red;
-		key_list[i].green = green;
-		key_list[i].blue = blue;
-		// don't change modes on MUTE only to preserve toggling behavior
-		// user can set manually from GUI if desired
-		if (key_list[i].val != KEY_MUTE) {
-			key_list[i].mode = mode;
-		}
-	}
-}
-
 // parse color request from webpage and update keyboard colors
 void parse_colors(char * data, uint16_t len) {
 	(void) len;
@@ -341,7 +325,7 @@ void parse_colors(char * data, uint16_t len) {
 	if (token != NULL) {
 		// first string is the RGB color code
 		uint8_t red, green, blue;
-		sscanf(token, "%02x%02x%02x", &red, &green, &blue);
+		sscanf(token, "%2x%2x%2x", &red, &green, &blue);
 
 		token = strtok(NULL, ",");
 		if (token != NULL) {
diff --git a/tusb_config.h b/tusb_config.h
index c5f2bf5..f0e88a7 100644
--- a/tusb_config.h
+++ b/tusb_config.h
@@ -96,10 +96,6 @@
 
 #define CFG_TUD_HID_EP_BUFSIZE	64
 
-// NCM settings
-//#define CFG_TUD_NCM_OUT_MAX_DATAGRAMS_PER_NTB	1
-//#define CFG_TUD_NCM_IN_MAX_DATAGRAMS_PER_NTB	1
-
 //--------------------------------------------------------------------
 // HOST CONFIGURATION
 //--------------------------------------------------------------------
diff --git a/usb_device.c b/usb_device.c
index 09c8ea6..777775b 100644
--- a/usb_device.c
+++ b/usb_device.c
@@ -73,6 +73,7 @@ void usb_device_main(void) {
 	device_state = DEVICE_INACTIVE;
 	usb_device_init();
 
+	// start the web server on USB
 	usb_server_init();
 
 	while (true) {
@@ -252,8 +253,3 @@ void cdc_print_hex(uint8_t const* msg, uint16_t msg_len) {
 	}
 	tud_cdc_write_str("\n");
 }
-
-// print message to CDC
-void cdc_print(uint8_t const* msg, uint16_t msg_len) {
-	tud_cdc_write(msg, msg_len);
-}
diff --git a/usb_device.h b/usb_device.h
index b87756a..cdce81a 100644
--- a/usb_device.h
+++ b/usb_device.h
@@ -37,7 +37,6 @@ extern device_state_t device_state;
 
 void usb_device_main(void);
 void cdc_print_hex(uint8_t const* msg, uint16_t msg_len);
-void cdc_print(uint8_t const* msg, uint16_t msg_len);
 
 #endif
 
diff --git a/usb_host.c b/usb_host.c
index 1fd42d4..d284ffc 100644
--- a/usb_host.c
+++ b/usb_host.c
@@ -251,7 +251,7 @@ static void report_desc_init(struct report_desc *descriptor) {
 	descriptor->next = NULL;
 }
 
-// free memory and teardown usb->bt report ID mappings for report descriptor struct
+// free memory for report descriptor struct
 static void report_desc_free(struct report_desc *descriptor) {
 	if (descriptor != NULL) {
 		if (descriptors == descriptor) {