diff --git a/main.c b/main.c
index 29d2352..b4a61f7 100644
--- a/main.c
+++ b/main.c
@@ -12,7 +12,6 @@
 void main() {
     DDRF  = 0b11111111;
     DDRK  = 0b00001111;
-    DDRD  = 0b00000001;
     PORTK = 0b11000000; // set pull-up
 
     uint32_t millis = 0;