diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -35,10 +35,6 @@ http://www.sebaslab.com/the-truth-behind-inversion-of-control-part-iv-dependency
 
 http://www.sebaslab.com/the-truth-behind-inversion-of-control-part-v-drifting-away-from-ioc-containers/
 
-new article on optimizations:
-
-http://www.sebaslab.com/svelto-ecs-svelto-tasks-to-write-data-oriented-cache-friendly-multi-threaded-code-in-unity/
-
 Note: if you ever build something with Svelto.ECS that you can share with the community, please do and let me know. Other coders need more examples.
 
 Copyright (c) Sebastiano Mandalà