diff -r 0347e9bc883e -r 5d2c9d36da9d src/linetypes/conditionaledge.cpp
--- a/src/linetypes/conditionaledge.cpp	Sat Mar 03 16:59:03 2018 +0200
+++ b/src/linetypes/conditionaledge.cpp	Sat Mar 03 17:25:12 2018 +0200
@@ -41,10 +41,3 @@
 
 	return result;
 }
-
-void LDConditionalEdge::invert()
-{
-	Vertex temp = vertex(0);
-	setVertex(0, vertex(1));
-	setVertex(1, temp);
-}