diff --git a/src/hashset.hpp b/src/hashset.hpp
index b5d49044..f097f807 100644
--- a/src/hashset.hpp
+++ b/src/hashset.hpp
@@ -66,12 +66,11 @@ public:
   {
     uint64_t hashval;
     size_t size;
-    u64_set_itr itr;
 
     hashval = rapidhash((void*)str_,len_);
     
     size = u64_set_size(&_u64_set);
-    itr = u64_set_get_or_insert(&_u64_set,hashval);
+    u64_set_get_or_insert(&_u64_set,hashval);
 
     return (size != u64_set_size(&_u64_set));
   }