diff --git a/EKF/swig/ecl_EKF.i b/EKF/swig/ecl_EKF.i
index e0b3bfc1bc..c6522cadb7 100644
--- a/EKF/swig/ecl_EKF.i
+++ b/EKF/swig/ecl_EKF.i
@@ -147,7 +147,6 @@
 %include <matrix/Quaternion.hpp>
 %include <matrix/Dcm.hpp>
 %include <matrix/Euler.hpp>
-%include <matrix/SquareMatrix.hpp>
 %include <matrix/helper_functions.hpp>
 %include <EKF/common.h>
 %include <EKF/estimator_interface.h>