diff --git a/outdated/sys/amiga/amirip.c b/outdated/sys/amiga/amirip.c
index ba17cbdf0..6d89b1ced 100644
--- a/outdated/sys/amiga/amirip.c
+++ b/outdated/sys/amiga/amirip.c
@@ -58,7 +58,6 @@ static xoff, yoff; /* image centering */
 #undef red
 #undef green
 #undef blue
-#undef index
 #ifdef _DCC
 #include <clib/graphics_protos.h>
 #include <clib/intuition_protos.h>
diff --git a/outdated/sys/amiga/windefs.h b/outdated/sys/amiga/windefs.h
index f8b2aeda3..9e59da82f 100644
--- a/outdated/sys/amiga/windefs.h
+++ b/outdated/sys/amiga/windefs.h
@@ -96,11 +96,6 @@ CLIPPING must be defined for the AMIGA version
 #define __asm /* DICE doesn't like __asm */
 #endif
 
-#ifndef __SASC_60
-#undef index
-#define index strchr
-#endif
-
 #ifdef _DCC
 #include <clib/intuition_protos.h>
 #else
diff --git a/outdated/win/gnome/gnglyph.h b/outdated/win/gnome/gnglyph.h
index 66d2e27bf..0e83e62d7 100644
--- a/outdated/win/gnome/gnglyph.h
+++ b/outdated/win/gnome/gnglyph.h
@@ -10,7 +10,9 @@
 
 /* the prototypes in system headers contain useless argument names
    that trigger spurious warnings if gcc's `-Wshadow' option is used */
+#ifdef index
 #undef index
+#endif
 #define index _hide_index_
 #define time _hide_time_
 
@@ -18,7 +20,6 @@
 #include <gdk/gdk.h>
 
 #undef index
-#define index strchr
 #undef time
 
 extern short glyph2tile[]; /* From tile.c */