diff --git a/similarity_search/src/method/small_world_rand.cc b/similarity_search/src/method/small_world_rand.cc
index dc5c04a..52526a5 100644
--- a/similarity_search/src/method/small_world_rand.cc
+++ b/similarity_search/src/method/small_world_rand.cc
@@ -600,11 +600,11 @@ void SmallWorldRand<dist_t>::addCriticalSection(MSWNode *newElement){
 
 template <typename dist_t>
 void SmallWorldRand<dist_t>::Search(RangeQuery<dist_t>* query, IdType) const {
-//  throw runtime_error("Range search is not supported!");
-    CHECK_MSG(1==0, "Search");
-    std::out<< "search" << endl;
-    if (searchAlgoType_ == kV1Merge) {std::cerr << "call SearchV1Merge" << endl; SearchV1Merge(query);}
-    else {std::cerr << "call SearchOld" << endl; SearchOld(query);}
+  throw runtime_error("Range search is not supported!");
+//    CHECK_MSG(1==0, "Search");
+//    std::out<< "search" << endl;
+//    if (searchAlgoType_ == kV1Merge) {std::cerr << "call SearchV1Merge" << endl; SearchV1Merge(query);}
+//    else {std::cerr << "call SearchOld" << endl; SearchOld(query);}
 }
 
 template <typename dist_t>