diff --git a/code/IFCLoader.cpp b/code/IFCLoader.cpp
index 0296b5df9..870f27251 100644
--- a/code/IFCLoader.cpp
+++ b/code/IFCLoader.cpp
@@ -60,8 +60,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 using namespace Assimp;
 using namespace Assimp::Formatter;
-namespace EXPRESS = STEP::EXPRESS;
-
 using namespace Assimp::IFC;
 
 template<> const std::string LogFunctions<IFCImporter>::log_prefix = "IFC: ";