diff --git a/configure.ac b/configure.ac
index fd6c8207..4a63abcd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -38,7 +38,7 @@ dnl Checks for libraries.
 dnl Checks for header files.
 AC_CHECK_HEADERS(crypt.h utmp.h \
 	termio.h sgtty.h sys/ioctl.h paths.h \
-	ulimit.h sys/capability.h sys/random.h sys/resource.h \
+	sys/capability.h sys/random.h sys/resource.h \
 	gshadow.h lastlog.h rpc/key_prot.h netdb.h acl/libacl.h \
 	attr/libattr.h attr/error_context.h)
 
diff --git a/libmisc/ulimit.c b/libmisc/ulimit.c
index f835f6a8..6597cdb0 100644
--- a/libmisc/ulimit.c
+++ b/libmisc/ulimit.c
@@ -11,16 +11,7 @@
 
 #ident "$Id$"
 
-#if HAVE_ULIMIT_H
-# include <ulimit.h>
-# ifndef UL_SETFSIZE
-#  ifdef UL_SFILLIM
-#   define UL_SETFSIZE UL_SFILLIM
-#  else
-#   define UL_SETFSIZE 2
-#  endif
-# endif
-#elif HAVE_SYS_RESOURCE_H
+#if HAVE_SYS_RESOURCE_H
 # include <sys/time.h>		/* for struct timeval on sunos4 */
 /* XXX - is the above ok or should it be <time.h> on ultrix? */
 # include <sys/resource.h>
@@ -30,11 +21,7 @@
 int set_filesize_limit (int blocks)
 {
 	int ret = -1;
-#if HAVE_ULIMIT_H
-	if (ulimit (UL_SETFSIZE, blocks) != -1) {
-		ret = 0;
-	}
-#elif defined(RLIMIT_FSIZE)
+#if defined(RLIMIT_FSIZE)
 	struct rlimit rlimit_fsize;
 
 	rlimit_fsize.rlim_cur = 512L * blocks;