diff --git a/cpu/optable.go b/cpu/optable.go
index 7891aa6..5770690 100644
--- a/cpu/optable.go
+++ b/cpu/optable.go
@@ -1,7 +1,5 @@
 package cpu
 
-type operation func(byte)
-
 var OpTable = [256]func(context op_context){
 	Noop,    //0x00
 	LDBCd16, //0x01
@@ -11,6 +9,3 @@ var OpTable = [256]func(context op_context){
 	DECB,    //0x05
 	LD8B,    //0x06
 }
-
-func (cpu *CPU_struct) execute(op byte, addr uint) {
-}