diff --git a/include/boost/system/error_code.hpp b/include/boost/system/error_code.hpp
index fe969e3..78d52fe 100644
--- a/include/boost/system/error_code.hpp
+++ b/include/boost/system/error_code.hpp
@@ -14,7 +14,6 @@
 #include <boost/system/config.hpp>
 #include <boost/cstdint.hpp>
 #include <boost/assert.hpp>
-#include <boost/operators.hpp>
 #include <boost/noncopyable.hpp>
 #include <boost/utility/enable_if.hpp>
 #include <ostream>