--- tgt-1.0.42/usr/util.h.orig	2013-12-26 16:18:54.000000000 +0200
+++ tgt-1.0.42/usr/util.h	2013-12-26 16:19:10.000000000 +0200
@@ -212,11 +212,6 @@
  */
 static inline int unmap_file_region(int fd, off_t offset, off_t length)
 {
-#ifdef FALLOC_FL_PUNCH_HOLE
-	if (fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,
-			offset, length) == 0)
-		return 0;
-#endif
 	return -1;
 }