diff --git a/sysdeps/unix/sysv/linux/alpha/glob.c b/sysdeps/unix/sysv/linux/alpha/glob.c
index 311a923026..0ce8d535be 100644
--- a/sysdeps/unix/sysv/linux/alpha/glob.c
+++ b/sysdeps/unix/sysv/linux/alpha/glob.c
@@ -37,6 +37,8 @@ extern void __new_globfree (glob_t *__pglob);
 
 #undef glob
 #undef globfree
+#undef glob64
+#undef globfree64
 
 default_symbol_version(__new_glob, glob, GLIBC_2.1);
 default_symbol_version(__new_globfree, globfree, GLIBC_2.1);