Index: applications/editors/josm/plugins/terracer/src/terracer/ReverseTerraceAction.java
===================================================================
--- applications/editors/josm/plugins/terracer/src/terracer/ReverseTerraceAction.java	(revision 17874)
+++ applications/editors/josm/plugins/terracer/src/terracer/ReverseTerraceAction.java	(revision 18924)
@@ -17,5 +17,4 @@
 import org.openstreetmap.josm.data.osm.OsmPrimitive;
 import org.openstreetmap.josm.data.osm.Way;
-import org.openstreetmap.josm.data.osm.visitor.CollectBackReferencesVisitor;
 import org.openstreetmap.josm.tools.Shortcut;
 
@@ -84,7 +83,5 @@
 			for (Node n : w.getNodes()) {
 				if (!visitedNodes.contains(n)) {
-					CollectBackReferencesVisitor v = new CollectBackReferencesVisitor(Main.main.getCurrentDataSet());
-					v.visit(n);
-					for (OsmPrimitive prim : v.getData()) {
+					for (OsmPrimitive prim : n.getReferrers()) {
 						if (prim.keySet().contains("building") && prim instanceof Way) {
 							front.add((Way)prim);