diff --git a/src/instruction.rs b/src/instruction.rs
index f68f921..a5d9468 100644
--- a/src/instruction.rs
+++ b/src/instruction.rs
@@ -173,29 +173,6 @@ pub fn near_jump(emu: &mut Emulator) {
 }
 
 
-macro_rules! define_jx {
-    
-    ($flag:ident, $is_flag:ident) => (
-        
-        pub fn j$flag(emu: &mut Emulator) {
-            let diff: i32 = $is_flag(emu) ? emu.get_sign_code8(1) : 0;
-            emu.eip += (diff + 2);
-        }
-
-        pub fn jn$flag(emu: &mut Emulator) {
-            let diff: i32 = $is_flag(emu) ? 0 : emu.get_sign_code8(1);
-            emu.eip += (diff + 2);
-        }
-    )
-        
-}
-
-define_jx!(c, is_carry);
-define_jx!(z, is_zero);
-define_jx!(s, is_sign);
-define_jx!(o, is_overflow);
-
-
 pub fn jl(emu: &mut Emulator) {
     let diff: i8 = if is_sign(emu) != is_overflow(emu) { emu.get_sign_code8(1) } else { 0 };
     emu.eip += (diff + 2);