diff --git a/src/kernal/iec/tksa.s b/src/kernal/iec/tksa.s
index b9e9dee8..e6915847 100644
--- a/src/kernal/iec/tksa.s
+++ b/src/kernal/iec/tksa.s
@@ -28,8 +28,6 @@ TKSA:
 	; - https://www.lemon64.com/forum/viewtopic.php?t=57694&sid=531ba3592bcffadef2ac8b9162f2e529
 	; - https://www.pagetable.com/?p=1031 (Kernal API description)
 
-	ora #$90
-
 	jmp common_untlk_tksa
 
 } else {