diff --git a/faiss/invlists/BlockInvertedLists.cpp b/faiss/invlists/BlockInvertedLists.cpp
index 5db6dd6bcf..fd52d017c6 100644
--- a/faiss/invlists/BlockInvertedLists.cpp
+++ b/faiss/invlists/BlockInvertedLists.cpp
@@ -16,7 +16,6 @@
 
 #include <faiss/impl/io.h>
 #include <faiss/impl/io_macros.h>
-#include <faiss/index_io.h>
 
 namespace faiss {