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@@ -947,7 +947,6 @@ Kerridge (PDF) (email address *requested*, not required)
 
 ### Software Architecture
 
-* [A Primer on Design Patterns](https://leanpub.com/aprimerondesignpatterns/read) - Rahul Batra (HTML)
 * [Agile Planning: From Ideas to Story Cards](https://launchschool.com/books/agile_planning) - Launch School
 * [Architectural Metapatterns: The Pattern Language of Software Architecture](https://github.com/denyspoltorak/publications/tree/main/ArchitecturalMetapatterns) - Denys Poltorak, `edt.:` Lars Noodén (PDF, EPUB, ODT) (CC BY)
 * [Architectural Styles and the Design of Network-based Software Architectures](https://www.ics.uci.edu/~fielding/pubs/dissertation/top.htm) - Roy Thomas Fielding