diff --git a/src/ifcgeom/mapping/IfcLinearPlacement.cpp b/src/ifcgeom/mapping/IfcLinearPlacement.cpp
index 45f3e46010..0e3bb1a5d6 100644
--- a/src/ifcgeom/mapping/IfcLinearPlacement.cpp
+++ b/src/ifcgeom/mapping/IfcLinearPlacement.cpp
@@ -34,10 +34,6 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcLinearPlacement* inst) {
 	IfcSchema::IfcLinearPlacement* current = (IfcSchema::IfcLinearPlacement*)inst;
 	auto m4 = taxonomy::make<taxonomy::matrix4>();
 
-#if defined SCHEMA_HAS_IfcAxis2PlacementLinear
-	// IfcLinearPlacement was added in IFC 4.1 but it had an Orientation attribute of type IfcOrientationExpression, which when combined with other
-	// attributes was similar to IfcAxis2PlacementLinear. IFC 4.1 and IFC 4.2 have been withdrawn so I'm not going to try to implement linear placement for them.
-	// For this reason the preprocessor skips this code if SCHEMA_HAS_IfcAxix2PlacementLinear is not defined
 
 	for (;;) {
         IfcSchema::IfcAxis2PlacementLinear* relplacement = current->RelativePlacement();
@@ -84,8 +80,8 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcLinearPlacement* inst) {
         }
     }
 
-	// @todo: rb - not sure what this means... it came from IfcLocalPlacement
-	// m4->components() = offset_and_rotation_ * m4->components();
+	 // @todo: rb - not sure what this means... it came from IfcLocalPlacement
+    // m4->components() = offset_and_rotation_ * m4->components();
 
 	return m4;