Index: tree.c
--- tree.c.orig	2014-04-29 08:25:55.220977000 +0200
+++ tree.c	2014-04-29 08:27:11.471402152 +0200
@@ -64,7 +64,6 @@
   int (*cmpfunc)();
 } sorts[] = {
   {"name", alnumsort},
-  {"version", versort},
   {"size", fsizesort},
   {"mtime", mtimesort},
   {"ctime", ctimesort},
@@ -214,9 +213,6 @@
 	case 'r':
 	  reverse = TRUE;
 	  break;
-	case 'v':
-	  cmpfunc = versort;
-	  break;
 	case 'U':
 	  cmpfunc = NULL;
 	  break;
@@ -898,17 +894,6 @@
   return reverse? -v : v;
 }
 
-int versort(struct _info **a, struct _info **b)
-{
-  int v;
-
-  if (dirsfirst && ((*a)->isdir != (*b)->isdir)) {
-    return (*a)->isdir ? -1 : 1;
-  }
-  v = strverscmp((*a)->name,(*b)->name);
-  return reverse? -v : v;
-}
-
 int mtimesort(struct _info **a, struct _info **b)
 {
   int v;