Index: lib/libc/gen/Makefile.inc
===================================================================
--- lib/libc/gen/Makefile.inc
+++ lib/libc/gen/Makefile.inc
@@ -120,6 +120,7 @@
 	recvmmsg.c \
 	rewinddir.c \
 	scandir.c \
+	scandir_b.c \
 	scandir-compat11.c \
 	seed48.c \
 	seekdir.c \
Index: lib/libc/gen/Symbol.map
===================================================================
--- lib/libc/gen/Symbol.map
+++ lib/libc/gen/Symbol.map
@@ -416,7 +416,6 @@
 	readdir;
 	readdir_r;
 	scandir;
-	scandir_b;
 	sem_clockwait_np;
 	setproctitle_fast;
 	timespec_get;
@@ -424,6 +423,7 @@
 
 FBSD_1.6 {
 	memalign;
+	scandir_b;
 	sigandset;
 	sigisemptyset;
 	sigorset;
Index: lib/libc/gen/scandir-compat11.c
===================================================================
--- lib/libc/gen/scandir-compat11.c
+++ lib/libc/gen/scandir-compat11.c
@@ -49,32 +49,18 @@
 
 #include "gen-compat.h"
 
-#ifdef	I_AM_SCANDIR_B
-#include "block_abi.h"
-#define	SELECT(x)	CALL_BLOCK(select, x)
-#ifndef __BLOCKS__
-void
-qsort_b(void *, size_t, size_t, void*);
-#endif
-#else
 #define	SELECT(x)	select(x)
-#endif
+
+void qsort_b(void *, size_t, size_t, void *);
 
 static int freebsd11_alphasort_thunk(void *thunk, const void *p1,
     const void *p2);
 
 int
-#ifdef I_AM_SCANDIR_B
-freebsd11_scandir_b(const char *dirname, struct freebsd11_dirent ***namelist,
-    DECLARE_BLOCK(int, select, const struct freebsd11_dirent *),
-    DECLARE_BLOCK(int, dcomp, const struct freebsd11_dirent **,
-    const struct freebsd11_dirent **))
-#else
 freebsd11_scandir(const char *dirname, struct freebsd11_dirent ***namelist,
     int (*select)(const struct freebsd11_dirent *),
     int (*dcomp)(const struct freebsd11_dirent **,
 	const struct freebsd11_dirent **))
-#endif
 {
 	struct freebsd11_dirent *d, *p, **names = NULL;
 	size_t arraysz, numitems;
@@ -124,13 +110,8 @@
 	}
 	closedir(dirp);
 	if (numitems && dcomp != NULL)
-#ifdef I_AM_SCANDIR_B
-		qsort_b(names, numitems, sizeof(struct freebsd11_dirent *),
-		    (void*)dcomp);
-#else
 		qsort_r(names, numitems, sizeof(struct freebsd11_dirent *),
 		    &dcomp, freebsd11_alphasort_thunk);
-#endif
 	*namelist = names;
 	return (numitems);
 
@@ -168,4 +149,3 @@
 
 __sym_compat(alphasort, freebsd11_alphasort, FBSD_1.0);
 __sym_compat(scandir, freebsd11_scandir, FBSD_1.0);
-__sym_compat(scandir_b, freebsd11_scandir_b, FBSD_1.4);
Index: lib/libc/gen/scandir.c
===================================================================
--- lib/libc/gen/scandir.c
+++ lib/libc/gen/scandir.c
@@ -50,8 +50,7 @@
 #include "block_abi.h"
 #define	SELECT(x)	CALL_BLOCK(select, x)
 #ifndef __BLOCKS__
-void
-qsort_b(void *, size_t, size_t, void*);
+void qsort_b(void *, size_t, size_t, void *);
 #endif
 #else
 #define	SELECT(x)	select(x)
@@ -134,6 +133,7 @@
 	return (-1);
 }
 
+#ifndef I_AM_SCANDIR_B
 /*
  * Alphabetic order comparison routine for those who want it.
  * POSIX 2008 requires that alphasort() uses strcoll().
@@ -153,3 +153,4 @@
 	dc = *(int (**)(const struct dirent **, const struct dirent **))thunk;
 	return (dc((const struct dirent **)p1, (const struct dirent **)p2));
 }
+#endif