diff --git a/include/fnmatch.h b/include/fnmatch.h
index 2037f1c57774..758b66097874 100644
--- a/include/fnmatch.h
+++ b/include/fnmatch.h
@@ -41,11 +41,9 @@
 #define	FNM_NOESCAPE	0x01	/* Disable backslash escaping. */
 #define	FNM_PATHNAME	0x02	/* Slash must be matched by slash. */
 #define	FNM_PERIOD	0x04	/* Period must be matched by period. */
-#ifndef _POSIX_SOURCE
 #define	FNM_LEADING_DIR	0x08	/* Ignore /<tail> after Imatch. */
 #define	FNM_CASEFOLD	0x10	/* Case insensitive search. */
 #define	FNM_IGNORECASE	FNM_CASEFOLD
-#endif
 
 #include <sys/cdefs.h>
 
diff --git a/include/glob.h b/include/glob.h
index 6f7164a33fe6..34da03a0c91b 100644
--- a/include/glob.h
+++ b/include/glob.h
@@ -70,14 +70,12 @@ typedef struct {
 #define	GLOB_NOCHECK	0x0010	/* Return pattern itself if nothing matches. */
 #define	GLOB_NOSORT	0x0020	/* Don't sort. */
 
-#ifndef _POSIX_SOURCE
 #define	GLOB_ALTDIRFUNC	0x0040	/* Use alternately specified directory funcs. */
 #define	GLOB_BRACE	0x0080	/* Expand braces ala csh. */
 #define	GLOB_MAGCHAR	0x0100	/* Pattern had globbing characters. */
 #define	GLOB_NOMAGIC	0x0200	/* GLOB_NOCHECK without magic chars (csh). */
 #define	GLOB_QUOTE	0x0400	/* Quote special chars with \. */
 #define	GLOB_TILDE	0x0800	/* Expand tilde names from the passwd file. */
-#endif
 
 #define	GLOB_NOSPACE	(-1)	/* Malloc call failed. */
 #define	GLOB_ABEND	(-2)	/* Unignored error. */