diff --git a/src/emulator/main.rs b/src/emulator/main.rs
index b324297..624adaf 100644
--- a/src/emulator/main.rs
+++ b/src/emulator/main.rs
@@ -30,8 +30,9 @@ pub struct ConditionCodes {
     p: bool,
     /// Carry (C), set if the last addition operation resulted in a carry or if the last subtraction operation required a borrow.
     c: bool,
-    /// Auxiliary carry (AC or H), used for binary-coded decimal arithmetic (BCD).
-    ac: bool,
+    // Auxiliary carry (AC or H), used for binary-coded decimal arithmetic (BCD).
+    // Can't test this so I won't implement it
+    // ac: bool,
 }
 
 #[derive(PartialEq)]
@@ -91,7 +92,7 @@ fn main() {
         h: 0,
         l: 0,
         sp: 0,
-        cc: ConditionCodes { z: true, s: true, p: true, c: true, ac: true },
+        cc: ConditionCodes { z: true, s: true, p: true, c: true },
         pc: 0,
         memory: [0; 8000],
     };