diff --git a/ewah/ewok.h b/ewah/ewok.h
index 0556ca5fb06e8011a60c9499ab45fddd7f5c8cdb..f6ad190a038a55e39a0b8b135c995413192f80e3 100644
--- a/ewah/ewok.h
+++ b/ewah/ewok.h
@@ -100,7 +100,6 @@ int ewah_serialize_native(struct ewah_bitmap *self, int fd);
 
 int ewah_deserialize(struct ewah_bitmap *self, int fd);
 int ewah_read_mmap(struct ewah_bitmap *self, const void *map, size_t len);
-int ewah_read_mmap_native(struct ewah_bitmap *self, void *map, size_t len);
 
 uint32_t ewah_checksum(struct ewah_bitmap *self);