diff --git a/src/frontend/ir/cond.h b/src/frontend/ir/cond.h
index b4b7d94d..8e5b1500 100644
--- a/src/frontend/ir/cond.h
+++ b/src/frontend/ir/cond.h
@@ -6,8 +6,6 @@
 
 #pragma once
 
-#include "common/common_types.h"
-
 namespace Dynarmic::IR {
 
 enum class Cond {
@@ -15,8 +13,4 @@ enum class Cond {
     HS = CS, LO = CC,
 };
 
-inline Cond invert(Cond c) {
-	return static_cast<Cond>(static_cast<size_t>(c) ^ 1);
-}
-
 } // namespace Dynarmic::IR