diff --git a/avr/main.c b/avr/main.c
index beaa1da..1219cc2 100644
--- a/avr/main.c
+++ b/avr/main.c
@@ -75,8 +75,6 @@ ISR(SPI_STC_vect) {
     if (buffer.cur < buffer.len) {
         SPDR = buffer.data[buffer.cur++];
     } else {
-        SPDR = 0xff;
-
         buffer.len  = 0;
         buffer.cur  = 0;
         buffer.read = 0;
@@ -158,13 +156,6 @@ static void setup_clock_external() {
     buffer.read = 0;
 }
 
-/*static void snooze() {
-    set_sleep_mode(mode);
-    sleep_enable();
-    sleep_mode();
-    sleep_disable();
-}*/
-
 int main() {
     tabby_command state = TABBY_COMMAND_NONE;