diff --git a/faiss/IndexIVF.cpp b/faiss/IndexIVF.cpp
index 65d017aa5a..95d3bc9e68 100644
--- a/faiss/IndexIVF.cpp
+++ b/faiss/IndexIVF.cpp
@@ -668,7 +668,6 @@ void IndexIVF::search_preassigned(
 #pragma omp for schedule(dynamic)
             for (int64_t ij = 0; ij < n * nprobe; ij++) {
                 size_t i = ij / nprobe;
-                size_t j = ij % nprobe;
 
                 scanner->set_query(x + i * d);
                 init_result(local_dis.data(), local_idx.data());