diff --git a/application.c b/application.c
index 335f2fe..d2cf17b 100644
--- a/application.c
+++ b/application.c
@@ -880,7 +880,6 @@ void main(void)
 	bool action = false; // if an action has been performed don't go to sleep
 	button_flag = false; // reset button flag
 	led_on(); // switch LED to indicate booting completed
-	uint16_t matrix_led = 0;
 	while (true) { // infinite loop
 		iwdg_reset(); // kick the dog
 		if (user_input_available) { // user input is available
@@ -895,9 +894,6 @@ void main(void)
 		if (second_flag) { // one second passed
 			second_flag = false; // clear flag
 			led_toggle(); // toggle LED to indicate if main function is stuck
-			rgbmatrix_set(matrix_led % RGBMATRIX_WIDTH, matrix_led / RGBMATRIX_WIDTH, false, false, false); // disable current LED
-			matrix_led += 4; // go to next LED
-			rgbmatrix_set(matrix_led % RGBMATRIX_WIDTH, matrix_led / RGBMATRIX_WIDTH, true, false, false); // enable next LED
 		}
 		if (0 == gpio_get(GPIO_PORT(DRV8825_FAULT_PIN), GPIO_PIN(DRV8825_FAULT_PIN))) { // DRV8825 stepper motor error reports error
 			gpio_set(GPIO_PORT(DRV8825_ENABLE_PIN), GPIO_PIN(DRV8825_ENABLE_PIN)); // disable motor