diff --git a/ext/phar/phar_internal.h b/ext/phar/phar_internal.h
index 4a1ed096d40..7cc44b4fc88 100755
--- a/ext/phar/phar_internal.h
+++ b/ext/phar/phar_internal.h
@@ -338,17 +338,12 @@ union _phar_entry_object {
 };
 #endif
 
-#ifndef PHP_WIN32
-extern int phar_has_bz2;
-extern int phar_has_zlib;
-#endif
-
 BEGIN_EXTERN_C()
 
-#ifdef PHP_WIN32
 int phar_has_bz2;
 int phar_has_zlib;
 
+#ifdef PHP_WIN32
 char *tsrm_strtok_r(char *s, const char *delim, char **last);
 
 static inline void phar_unixify_path_separators(char *path, int path_len)