diff --git a/src/kmk/glob/fnmatch.c b/src/kmk/glob/fnmatch.c
index b346e10..008a4a7 100644
--- a/src/kmk/glob/fnmatch.c
+++ b/src/kmk/glob/fnmatch.c
@@ -120,14 +120,6 @@ USA.  */
 /* Avoid depending on library functions or files
    whose names are inconsistent.  */
 
-# if !defined _LIBC && !defined getenv && !defined _MSC_VER
-extern char *getenv ();
-# endif
-
-# ifndef errno
-extern int errno;
-# endif
-
 /* This function doesn't exist on most systems.  */
 
 # if !defined HAVE___STRCHRNUL && !defined _LIBC