diff --git a/libsrc/c16/color.s b/libsrc/c16/color.s
index 2f3046e8f..fbcc95a2a 100644
--- a/libsrc/c16/color.s
+++ b/libsrc/c16/color.s
@@ -1,33 +1 @@
-;
-; Ullrich von Bassewitz, 06.08.1998
-;
-; unsigned char __fastcall__ textcolor (unsigned char color);
-; unsigned char __fastcall__ bgcolor (unsigned char color);
-; unsigned char __fastcall__ bordercolor (unsigned char color);
-;
-
-        .export         _textcolor, _bgcolor, _bordercolor
-
-        .include        "plus4.inc"
-
-_textcolor:
-        ldx     CHARCOLOR       ; get old value
-        sta     CHARCOLOR       ; set new value
-        txa
-        rts
-
-
-_bgcolor:
-        ldx     TED_BGCOLOR     ; get old value
-        sta     TED_BGCOLOR     ; set new value
-        txa
-        rts
-
-
-_bordercolor:
-        ldx     TED_BORDERCOLOR ; get old value
-        sta     TED_BORDERCOLOR ; set new value
-        txa
-        rts
-
-
+.include "../plus4/color.s"