diff --git a/closefrom.c b/closefrom.c
index 6cc7a8ec1..3aeb45df4 100644
--- a/closefrom.c
+++ b/closefrom.c
@@ -47,10 +47,6 @@
 
 #include "sudo.h"
 
-#ifndef dirfd
-# define dirfd(dirp)	((dirp)->dd_fd)
-#endif
-
 #ifndef lint
 static const char rcsid[] = "$Sudo$";
 #endif /* lint */
diff --git a/getcwd.c b/getcwd.c
index e5c33b02b..1045f3506 100644
--- a/getcwd.c
+++ b/getcwd.c
@@ -74,10 +74,6 @@
 
 #include "compat.h"
 
-#ifndef dirfd
-#  define dirfd(dirp)	((dirp)->dd_fd)
-#endif
-
 #define	ISDOT(dp) \
 	(dp->d_name[0] == '.' && (dp->d_name[1] == '\0' || \
 	    (dp->d_name[1] == '.' && dp->d_name[2] == '\0')))