2 files changed, 2 insertions, 10 deletions

diff --git a/src/fileio.c b/src/fileio.c
index 0b06e4fee34..890ef2de371 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -21,7 +21,7 @@ Boston, MA 02111-1307, USA.  */
 
 #include <config.h>
 
-#if defined (USG5) || defined (BSD_SYSTEM) || defined (GNU_LINUX)
+#ifdef HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
 
diff --git a/src/sysdep.c b/src/sysdep.c
index 28ab676c69c..322869eb71e 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -147,17 +147,9 @@ extern int errno;
 #include <sys/file.h>
 #endif /* not VMS */
 
-#ifndef BSD4_1
-#ifdef BSD_SYSTEM /* avoid writing defined (BSD_SYSTEM) || defined (USG)
-              because the vms compiler doesn't grok `defined' */
+#ifdef HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
-#ifdef USG
-#ifndef USG5
-#include <fcntl.h>
-#endif
-#endif
-#endif /* not 4.1 bsd */
 
 #ifndef MSDOS
 #include <sys/ioctl.h>