--- a/src/hierarchyelement.cpp	Sat Mar 24 12:58:01 2018 +0200
+++ b/src/hierarchyelement.cpp	Sat Mar 24 13:03:02 2018 +0200
@@ -75,12 +75,6 @@
 }
 
 
-MathFunctions* HierarchyElement::math() const
-{
-	return m_window->mathFunctions();
-}
-
-
 QString HierarchyElement::preferredLicenseText() const
 {
 	QString caLicenseText = "!LICENSE Redistributable under CCAL version 2.0 : see CAreadme.txt";