diff --git a/mex/sources/k_order_perturbation/k_ord_dynare.cc b/mex/sources/k_order_perturbation/k_ord_dynare.cc
index fa45e8bbf..4b95563fa 100644
--- a/mex/sources/k_order_perturbation/k_ord_dynare.cc
+++ b/mex/sources/k_order_perturbation/k_ord_dynare.cc
@@ -26,8 +26,6 @@
 #include <cmath>
 #include <sstream>
 
-#include "memory_file.hh"
-
 #include <iostream>
 #include <fstream>