diff --git a/src/xxhash_str.cpp b/src/xxhash_str.cpp
index f112e09..3a984aa 100644
--- a/src/xxhash_str.cpp
+++ b/src/xxhash_str.cpp
@@ -1,5 +1,4 @@
 #include "xxhash_str.h"
-#include <iostream>
 
 XXH64_hash_t xxHashStringGen::operator()(const std::string &str) const noexcept
 {