diff --git a/src/json-validator.cpp b/src/json-validator.cpp
index b8a13f4..6168460 100644
--- a/src/json-validator.cpp
+++ b/src/json-validator.cpp
@@ -11,7 +11,6 @@
 #include "json-patch.hpp"
 
 #include <deque>
-#include <iostream>
 #include <memory>
 #include <set>
 #include <sstream>