diff --git a/Utility-containers.md b/Utility-containers.md
index c2cf8ed..4741158 100644
--- a/Utility-containers.md
+++ b/Utility-containers.md
@@ -2,9 +2,6 @@
 
 (Add a section for each new utility container,  as well as documentation)
 
-### Books
-* [Operating Systems: From 0 to 1][os01]: pretty in-depth and with hands-on instructions on how to use many of the tools needed.
-* [OpenCSF](https://w3.cs.jmu.edu/kirkpams/OpenCSF/Books/csf/html/index.html): an all-encompassing CS guide with a focus on many important OS-related topics.
 ### Blogs
 * [CPU Land](https://cpu.land/): an avid learner's perspective on the CS fundamentals.
 ### Repositories