diff --git a/src/clockinator.S b/src/clockinator.S
index e9c508d..f9def00 100644
--- a/src/clockinator.S
+++ b/src/clockinator.S
@@ -34,15 +34,8 @@
 ;#include "midi.inc"
 
 .global main
-; note for the future
-; isr_button interrupt use
-; INT0 on the GIMSK, with the button on PB2
-; this enable a more precise/fast interrupt
-; useful for the tap tempo stuff
 
 main:
-    ; To compile on AtTiny25/45 comment out the SPH part
-    ; SPH is needed only on AtTiny85 which has >256b of SRAM
     ldi         r16,        lo8(RAMEND)
     out         SPL,        r0          ; Setup stack pointer LOW
     ldi         r16,        hi8(RAMEND)