diff --git a/cpu/decoder.cpp b/cpu/decoder.cpp
index 9dfd0e8..0578d4f 100644
--- a/cpu/decoder.cpp
+++ b/cpu/decoder.cpp
@@ -85,9 +85,6 @@ void Cpu::executeInstruction()
     }
   else if((op & 0xC0) == 0x80) // ADD, ADC, SUB, ABC, CP, AND, OR, XOR
     {
-      // SUB r: 0b10010xxx
-      // CP  r: 0b10111xxx
-      // SBC r: 0b10011xxx
       AluOp aluop = (AluOp)((op >> 3) & 0x3);
 
       u8 rhs;