--- a/configure.ac
+++ b/configure.ac
@@ -316,9 +316,6 @@
 #include <fcntl.h>])
 AC_CHECK_FUNCS(posix_fadvise)
 
-dnl can we use posix_fallocate
-AC_CHECK_FUNCS(posix_fallocate)
-
 CONFIGURE_PART(Libintl Processing)
 
 AM_GNU_GETTEXT_VERSION(0.17)