diff --git a/faiss/IndexIVFFastScan.cpp b/faiss/IndexIVFFastScan.cpp
index 19828753d2..3e40f7a3da 100644
--- a/faiss/IndexIVFFastScan.cpp
+++ b/faiss/IndexIVFFastScan.cpp
@@ -914,10 +914,6 @@ void IndexIVFFastScan::search_implem_10(
         size_t* nlist_out,
         const NormTableScaler* scaler,
         const IVFSearchParameters* params) const {
-    const size_t max_codes = params ? params->max_codes : this->max_codes;
-    const SearchParameters* quantizer_params =
-            params ? params->quantizer_params : nullptr;
-
     size_t dim12 = ksub * M2;
     AlignedTable<uint8_t> dis_tables;
     AlignedTable<uint16_t> biases;
diff --git a/tutorial/cpp/6-HNSW.cpp b/tutorial/cpp/6-HNSW.cpp
index d7c615328b..1b3434a433 100644
--- a/tutorial/cpp/6-HNSW.cpp
+++ b/tutorial/cpp/6-HNSW.cpp
@@ -37,7 +37,6 @@ int main() {
         xq[d * i] += i / 1000.;
     }
 
-    int nlist = 100;
     int k = 4;
 
     faiss::IndexHNSWFlat index(d, 32);