diff --git a/README.md b/README.md
index e5c6f7d..04e1b0c 100644
--- a/README.md
+++ b/README.md
@@ -432,7 +432,6 @@ An updated and curated list of selected readings to illustrate High Scalability,
 ## Architectures
 * [Architecture of API Platform at Riot Games](https://engineering.riotgames.com/news/riot-games-api-deep-dive)
 * [Architecture of Backend at Flickr](https://yahooeng.tumblr.com/post/157200523046/introducing-tripod-flickrs-backend-refactored)
-* [Architecture of SurveyMonkey](https://engineering.surveymonkey.com/2016/04/09/the-architecture-behind-surveymonkey/)
 * [Architecture of Data Platform at Flipkart](https://tech.flipkart.com/overview-of-flipkart-data-platform-20c6d3e9a196)
 * [Architecture of Data Infrastructure at GO-JEK](https://blog.gojekengineering.com/data-infrastructure-at-go-jek-cd4dc8cbd929)
 * [Architecture of Stack Overflow Enterprise at Palantir](https://medium.com/@palantir/terraforming-stack-overflow-enterprise-in-aws-47ee431e6be7)