diff --git a/src/index.ts b/src/index.ts
index 7478d82..88fdb8b 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,22 +1,9 @@
 import { topic } from "./topics/topic"
 import { leader } from "./tabs/leader"
-import { Observable } from "rx"
 
 function start(f: () => void = () => {}) {
   leader(f)
 }
 
-const t = topic("Example");
-
-start( () => {
-  console.log("Ahora el líder soy yo");
-
-  t.observable.subscribe( e => console.log( e ) )
-} );
-
-Observable.interval(1000).subscribe( e => {
-  t.send({ e })
-} );
-
 export { start }
 export { topic }
diff --git a/src/tabs/leader.ts b/src/tabs/leader.ts
index b282a5e..9d83456 100644
--- a/src/tabs/leader.ts
+++ b/src/tabs/leader.ts
@@ -5,7 +5,7 @@ let l: () => void = null;
 
 const tabId: string = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'
   .replace(/[xy]/g, function (c) {
-    let r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
+    const r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
     return v.toString(16);
   });
 
diff --git a/src/topics/topic.ts b/src/topics/topic.ts
index 2f6bbf9..d1caace 100644
--- a/src/topics/topic.ts
+++ b/src/topics/topic.ts
@@ -10,11 +10,11 @@ class Topic {
   }
 
   send(message: any) {
-    let key = `kafkaesque-ui.${this.name}.${Date.now().toString()}`;
-    let value = JSON.stringify(message);
+    const key = `kafkaesque-ui.${this.name}.${Date.now().toString()}`;
+    const value = JSON.stringify(message);
     localStorage.setItem(key, value);
 
-    let event: StorageEvent = new StorageEvent('storage', {
+    const event: StorageEvent = new StorageEvent('storage', {
       url: window.location.href,
       key: key,
       newValue: value