diff --git a/libsrc/c64/color.s b/libsrc/c64/color.s
index de9a973e7..86d6aefe8 100644
--- a/libsrc/c64/color.s
+++ b/libsrc/c64/color.s
@@ -3,7 +3,6 @@
 ;
 ; unsigned char __fastcall__ textcolor (unsigned char color);
 ; unsigned char __fastcall__ bgcolor (unsigned char color);
-; unsigned char __fastcall__ bordercolor (unsigned char color);
 ;