--- a/src/rail.h	Tue Feb 27 23:54:28 2007 +0000
+++ b/src/rail.h	Wed Feb 28 00:33:40 2007 +0000
@@ -88,7 +88,6 @@
 typedef TinyEnumT<TrackBits> TrackBitsByte;
 
 DECLARE_ENUM_AS_BIT_SET(TrackBits);
-DECLARE_ENUM_AS_BIT_INDEX(Track, TrackBits);
 
 /**
  * Maps a Track to the corresponding TrackBits value
@@ -261,7 +260,7 @@
 {
 	if (*tracks != TRACK_BIT_NONE && *tracks != INVALID_TRACK_BIT) {
 		Track first = (Track)FIND_FIRST_BIT(*tracks);
-		*tracks = ClrBitT(*tracks, first);
+		ClrBitT(*tracks, first);
 		return first;
 	}
 	return INVALID_TRACK;
@@ -274,7 +273,7 @@
 {
 	if (*trackdirs != TRACKDIR_BIT_NONE && *trackdirs != INVALID_TRACKDIR_BIT) {
 		Trackdir first = (Trackdir)FindFirstBit2x64(*trackdirs);
-		*trackdirs = ClrBitT(*trackdirs, first);
+		ClrBitT(*trackdirs, first);
 		return first;
 	}
 	return INVALID_TRACKDIR;