diff --git a/src/m/ibmps2-aix.h b/src/m/ibmps2-aix.h
index e69588c5589..fe01a60f8d4 100644
--- a/src/m/ibmps2-aix.h
+++ b/src/m/ibmps2-aix.h
@@ -222,7 +222,6 @@ so disable it for them.  */
 #ifdef USG5_3
 #define XICCC
 #define HAVE_GETWD
-#define HAVE_RENAME
 #undef LD_SWITCH_MACHINE
 #define LD_SWITCH_MACHINE -T0x0 -K -e start
 
diff --git a/src/m/pfa50.h b/src/m/pfa50.h
index b5bcb3e6c9b..ceb35fc3bc5 100644
--- a/src/m/pfa50.h
+++ b/src/m/pfa50.h
@@ -93,7 +93,6 @@ and this notice must be preserved on all copies.  */
 #define HAVE_SELECT
 #define HAVE_PTYS
 #define HAVE_SOCKETS
-#define HAVE_RENAME
 
 /* SX/A use SystemV style getdents/readdir. */
 #define HAVE_CLOSEDIR
diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index dbd6dbd098f..818d6e84a5b 100644
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -156,7 +156,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 /* This is needed for sysdep.c */
 
-#define HAVE_RENAME
 #define HAVE_UNISTD_H	      /* for getpagesize.h */
 #define HAVE_ALLOCA_H	      /* for getdate.y */
 #define NO_SIOCTL_H           /* don't have sioctl.h */
diff --git a/src/s/hpux.h b/src/s/hpux.h
index fb3903d96e6..7b29e2ce148 100644
--- a/src/s/hpux.h
+++ b/src/s/hpux.h
@@ -228,7 +228,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #define HAVE_VFORK
 #define HAVE_PERROR  /* Delete this line for version 6.  */
-#define HAVE_RENAME
 
 /* The following maps shared exec file to demand loaded exec.
    Don't do this as demand loaded exec is broken in hpux.  */
diff --git a/src/s/isc2-2.h b/src/s/isc2-2.h
index 9af73a1a8b1..9cbc448ca24 100644
--- a/src/s/isc2-2.h
+++ b/src/s/isc2-2.h
@@ -23,7 +23,6 @@
 #define NO_FCHMOD
 
 #define HAVE_PTYS
-#define HAVE_RENAME
 #define HAVE_CLOSEDIR
 #define MAXNAMLEN 512
 #define O_NDELAY O_NONBLOCK
diff --git a/src/s/sco4.h b/src/s/sco4.h
index a94e27dcb51..e814ebce793 100644
--- a/src/s/sco4.h
+++ b/src/s/sco4.h
@@ -62,10 +62,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #undef BROKEN_TIOCGWINSZ
 #define NEED_PTEM_H
 
-/* SCO has rename, but some people say it is broken.  Try this for
-   now.  */
-#define HAVE_RENAME
-
 /* We need to link with crt1.o and crtn.o.  */
 #define START_FILES pre-crt0.o /lib/crt1.o
 #define LIB_STANDARD -lc /lib/crtn.o
diff --git a/src/s/usg5-4.h b/src/s/usg5-4.h
index 336c752fa11..c599ec0f84d 100644
--- a/src/s/usg5-4.h
+++ b/src/s/usg5-4.h
@@ -85,7 +85,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 /* libc has this stuff, but not utimes. */
 
-#define HAVE_RENAME
 #define HAVE_SELECT
 #define HAVE_TIMEVAL
 #define HAVE_CLOSEDIR