diff --git a/include/os/freebsd/spl/sys/ccompile.h b/include/os/freebsd/spl/sys/ccompile.h
index 7268bd1d73..bffe6d21e3 100644
--- a/include/os/freebsd/spl/sys/ccompile.h
+++ b/include/os/freebsd/spl/sys/ccompile.h
@@ -206,8 +206,10 @@ typedef int enum_t;
 #define	__XSI_VISIBLE 1000
 #endif
 #define	ARRAY_SIZE(a) (sizeof (a) / sizeof (a[0]))
-#define	open64 open
 #define	mmap64 mmap
+/* Note: this file can be used on linux/macOS when bootstrapping tools. */
+#if defined(__FreeBSD__)
+#define	open64 open
 #define	pwrite64 pwrite
 #define	ftruncate64 ftruncate
 #define	lseek64 lseek
@@ -217,6 +219,7 @@ typedef int enum_t;
 #define	statfs64 statfs
 #define	readdir64 readdir
 #define	dirent64 dirent
+#endif
 #define	P2ALIGN(x, align)		((x) & -(align))
 #define	P2CROSS(x, y, align)	(((x) ^ (y)) > (align) - 1)
 #define	P2ROUNDUP(x, align)		((((x) - 1) | ((align) - 1)) + 1)
diff --git a/lib/libspl/include/os/freebsd/sys/stat.h b/lib/libspl/include/os/freebsd/sys/stat.h
index 82c86262ff..07f9762f09 100644
--- a/lib/libspl/include/os/freebsd/sys/stat.h
+++ b/lib/libspl/include/os/freebsd/sys/stat.h
@@ -28,6 +28,8 @@
 
 #include_next <sys/stat.h>
 
+/* Note: this file can be used on linux/macOS when bootstrapping tools. */
+#if defined(__FreeBSD__)
 #include <sys/mount.h> /* for BLKGETSIZE64 */
 
 #define	stat64	stat
@@ -68,4 +70,5 @@ fstat64_blk(int fd, struct stat64 *st)
 
 	return (0);
 }
+#endif /* defined(__FreeBSD__) */
 #endif /* _LIBSPL_SYS_STAT_H */