diff --git a/books/free-programming-books-es.md b/books/free-programming-books-es.md
index 2cd32e622..36ed7e54e 100644
--- a/books/free-programming-books-es.md
+++ b/books/free-programming-books-es.md
@@ -413,8 +413,6 @@
 
 > :information_source: Véase también … [AngularJS](#angularjs)
 
-* [Angular 2](https://rldona.gitbooks.io/angular-2-book) - Raúl López (HTML)
-* [Aprendiendo Angular](https://ngchallenges.gitbook.io) - Vanessa Aristizabal (HTML)
 * [Aprendizaje Angular](https://riptutorial.com/Download/angular-es.pdf) - Compiled from StackOverflow Documentation (PDF)
 * [Aprendizaje Angular 2](https://riptutorial.com/Download/angular-2-es.pdf) - Compiled from StackOverflow Documentation (PDF)
-* [Entendiendo Angular](https://jorgeucano.gitbook.io/entendiendo-angular/) - Jorge Cano (HTML, [:package: ejemplos](https://github.com/jorgeucano/entendiendo-angular))
+* [Entendiendo Angular](https://jorgeucano.gitbook.io/entendiendo-angular/) - Jorge Cano