Do not remove onInvalidate event subscription from app
diff --git a/app.js b/app.js
index 5b5b61b..e07fc38 100644
--- a/app.js
+++ b/app.js
@@ -296,7 +296,6 @@
 
 conversations.init = function() {
 	var app = this;
-	this._removeUserInvalidationFrom(this);
 	this._retrieveData(function() {
 		app.render();
 		app.ready();
@@ -1259,23 +1258,6 @@
 	});
 };
 
-// removing "Echo.UserSession.onInvalidate" subscription from an app
-// to avoid double-handling of the same evernt (by Canvas and by the widget itself)
-conversations.methods._removeUserInvalidationFrom = function() {
-	var topic = "Echo.UserSession.onInvalidate";
-	$.map(Array.prototype.slice.call(arguments), function(inst) {
-		$.each(inst.subscriptionIDs, function(id) {
-			var obj = $.grep(Echo.Events._subscriptions[topic].global.handlers, function(o) {
-				return o.id === id;
-			})[0];
-			if (obj && obj.id) {
-				Echo.Events.unsubscribe({"handlerId": obj.id});
-				return false;
-			}
-		});
-	});
-};
-
 conversations.methods._triggerInitialCounterUpdateEvents = function(data) {
 	var app = this;
 	$.map(["topPosts", "allPosts", "moderationQueue"], function(component) {