diff --git a/src/libraries/turtle/args.hpp b/src/libraries/turtle/args.hpp
index eb9be5b..58a6f44 100644
--- a/src/libraries/turtle/args.hpp
+++ b/src/libraries/turtle/args.hpp
@@ -11,6 +11,7 @@
 
 #include <boost/function_types/parameter_types.hpp>
 #include <boost/function_types/function_arity.hpp>
+#include <boost/preprocessor/inc.hpp>
 #include <boost/mpl/at.hpp>
 
 namespace mock
diff --git a/src/libraries/turtle/mock.hpp b/src/libraries/turtle/mock.hpp
index 7265a60..1efce95 100644
--- a/src/libraries/turtle/mock.hpp
+++ b/src/libraries/turtle/mock.hpp
@@ -14,12 +14,8 @@
 #include "function.hpp"
 #include "type_name.hpp"
 #include "args.hpp"
-#include <boost/preprocessor/cat.hpp>
-#include <boost/preprocessor/inc.hpp>
 #include <boost/preprocessor/repetition/repeat_from_to.hpp>
 #include <boost/preprocessor/stringize.hpp>
-#include <boost/preprocessor/seq/push_back.hpp>
-#include <boost/preprocessor/seq/pop_back.hpp>
 #include <boost/function_types/parameter_types.hpp>
 #include <boost/function_types/function_type.hpp>
 #include <boost/function_types/result_type.hpp>