diff --git a/src/PersistentPromise.ts b/src/PersistentPromise.ts
index dc7d8c9..b7b2f59 100644
--- a/src/PersistentPromise.ts
+++ b/src/PersistentPromise.ts
@@ -11,10 +11,6 @@ export default class PersistentPromise {
 		});
 	}
 
-	getPromise(): Promise<any> {
-		return this.promise;
-	}
-
 	resolve(value?: any): void {
 		if (this.promiseResolve) {
 			this.promiseResolve(value);
diff --git a/src/SmppSession.ts b/src/SmppSession.ts
index 83edca9..96dc08c 100644
--- a/src/SmppSession.ts
+++ b/src/SmppSession.ts
@@ -22,7 +22,7 @@ export abstract class SmppSession {
 	readonly counterUpdateTimer: any = new NanoTimer();
 	readonly MESSAGE_SEND_UPDATE_DELAY: number = Number(process.env.MESSAGE_SEND_UPDATE_DELAY) || 500;
 
-	constructor() {
+	protected constructor() {
 		this.eventEmitter.on(this.EVENT.STATE_CHANGED, () => this.updateWs(this.EVENT.STATE_CHANGED));
 		this.eventEmitter.on(this.EVENT.STATUS_CHANGED, () => this.updateWs(this.EVENT.STATUS_CHANGED));
 		this.eventEmitter.on(this.EVENT.ANY_PDU, (pdu: any) => this.updateWs(this.EVENT.ANY_PDU, [pdu]));
diff --git a/src/main.ts b/src/main.ts
index ee96143..1e4bddf 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -8,7 +8,6 @@ import {PduProcessor} from "./PDUProcessor/PduProcessor";
 import {WSServer} from "./WS/WSServer";
 
 const {PDU} = require("smpp");
-// TODO: Add support for encodings
 
 let logger = new Logger("main");
 
@@ -17,7 +16,9 @@ PduProcessor.addProcessor(EchoPduProcessor);
 
 let clientManager: ClientSessionManager = new ClientSessionManager();
 let centerManager: CenterSessionManager = new CenterSessionManager();
-
+// TODO: Add support for encodings
+// TODO: Fix reading and writing processors
+// TODO: Try creating multiple entries with the same arg
 let wss: WSServer = new WSServer([clientManager, centerManager]);
 let httpServer: HttpServer = new HttpServer(clientManager, centerManager);