diff --git a/source/source_lcao/module_ri/serialization_cereal.h b/source/source_lcao/module_ri/serialization_cereal.h
index e533db8898..bd231a87e3 100644
--- a/source/source_lcao/module_ri/serialization_cereal.h
+++ b/source/source_lcao/module_ri/serialization_cereal.h
@@ -2,7 +2,6 @@
 #define SERIALIZATION_CEREAL_H
 
 #include <cereal/archives/binary.hpp>
-#include <cereal/archives/json.hpp>
 #include <cereal/types/vector.hpp>
 #include <cereal/types/map.hpp>
 #include <cereal/types/set.hpp>