diff --git a/nodes/social/61-imap.js b/nodes/social/61-imap.js
index 6d30bf167..e5237a599 100644
--- a/nodes/social/61-imap.js
+++ b/nodes/social/61-imap.js
@@ -16,7 +16,7 @@
 
 var RED = require("../../red/red");
 var Imap = require('imap');
-var inspect = require('util').inspect;
+var util = require('util');
 var oldmail = {};
 
 try {
@@ -33,12 +33,8 @@ var imap = new Imap({
 	secure: true
 });
 
-function show(obj) {
-	return inspect(obj, false, Infinity);
-}
-
 function fail(err) {
-	console.log('[imap] : ' + err);
+	util.log('[imap] : ' + err);
 }
 
 function openInbox(cb) {
@@ -101,14 +97,12 @@ function ImapNode(n) {
 		});
 
 	});
+
+	this.on("close", function() {
+ 		if (this.interval_id != null) {
+        	clearInterval(this.interval_id);
+    	}
+	});
 }
 
 RED.nodes.registerType("imap",ImapNode);
-
-ImapNode.prototype.close = function() {
-    if (this.interval_id != null) {
-        clearInterval(this.interval_id);
-        this.log("inject: repeat stopped");
-    }
-}
-
diff --git a/nodes/social/91-irc.js b/nodes/social/91-irc.js
index 21456c32d..2073aad81 100644
--- a/nodes/social/91-irc.js
+++ b/nodes/social/91-irc.js
@@ -51,7 +51,7 @@ function IrcInNode(n) {
 	var node = this;
 
 	this.ircclient.addListener('message', function (from, to, message) {
-		console.log(from + ' => ' + to + ': ' + message);
+		//util.log(from + ' => ' + to + ': ' + message);
 		var msg = { "topic":from, "to":to, "payload":message };
 		node.send(msg);
 	});
diff --git a/nodes/storage/66-mongodb.js b/nodes/storage/66-mongodb.js
index 6378538e7..a5db7af3e 100644
--- a/nodes/storage/66-mongodb.js
+++ b/nodes/storage/66-mongodb.js
@@ -51,7 +51,6 @@ function MongoOutNode(n) {
                                     else coll.save(msg,function(err,item){if (err){node.error(err);}});
                                 }
                                 if (node.operation == "delete") {
-                                    console.log(msg.payload);
                                     coll.remove(msg.payload, {w:1}, function(err, items){ if (err) node.error(err); });
                                 }
                             });
@@ -62,15 +61,15 @@ function MongoOutNode(n) {
     } else {
         this.error("missing mongodb configuration");
     }
-}
 
+	this.on("close", function() {
+		if (this.clientDb) {
+		    this.clientDb.close();
+		}
+	});
+}
 RED.nodes.registerType("mongodb out",MongoOutNode);
 
-MongoOutNode.prototype.close = function() {
-    if (this.clientDb) {
-        this.clientDb.close();
-    }
-}
 
 function MongoInNode(n) {
     RED.nodes.createNode(this,n);
@@ -105,12 +104,11 @@ function MongoInNode(n) {
     } else {
         this.error("missing mongodb configuration");
     }
-}
 
+	this.on("close", function() {
+		if (this.clientDb) {
+		    this.clientDb.close();
+		}
+	});
+}
 RED.nodes.registerType("mongodb in",MongoInNode);
-
-MongoInNode.prototype.close = function() {
-    if (this.clientDb) {
-        this.clientDb.close();
-    }
-}