diff -r 8e67c9f6da51 -r 96476d1fc7c0 client/js/paper-renderer.js
--- a/client/js/paper-renderer.js	Tue Jul 31 18:06:29 2012 +0200
+++ b/client/js/paper-renderer.js	Tue Jul 31 18:16:39 2012 +0200
@@ -566,7 +566,9 @@
 }
 
 Rkns.Renderer.NodeRemoveButton.prototype.mouseup = function() {
-    this._renderer._project.removeNode(this.node_controller._element, Rkns._RENDER_AND_SAVE)
+    if (confirm('Do you really wish to remove node "' + this.node_controller._element.title + '"?')) {
+        this._renderer._project.removeNode(this.node_controller._element, Rkns._RENDER_AND_SAVE);
+    }
 }
 
 Rkns.Renderer.NodeRemoveButton.prototype.destroy = function() {