diff --git a/src/qtviewer/ParseIfcFile.cpp b/src/qtviewer/ParseIfcFile.cpp
index b2df481af0..c95f9a7cd9 100644
--- a/src/qtviewer/ParseIfcFile.cpp
+++ b/src/qtviewer/ParseIfcFile.cpp
@@ -1,8 +1,5 @@
 #include "ParseIfcFile.h"
 
-#include "../ifcparse/Ifc2x3.h"
-#define IfcSchema Ifc2x3
-
 #include "../ifcgeom/IfcGeom.h"
 #include "../ifcgeom_schema_agnostic/IfcGeomIterator.h"