diff --git a/README.md b/README.md
index cbd0e7b..5d96c9f 100644
--- a/README.md
+++ b/README.md
@@ -71,15 +71,14 @@ The below versions are automatically built on every push to the `main` branch.
 
 * [Download compiled .pdf version](https://www.the-bread-code.io/book.pdf)
 * [Download compiled .epub version](https://www.the-bread-code.io/book.epub)
-* [Download compiled .mobi version](https://www.the-bread-code.io/book.mobi)
-* [Download compiled .azw3 version](https://www.the-bread-code.io/book.azw3)
 
 There's an additional enhanced accessibility version using a sans serif font:
 
 * [Download compiled .pdf version](https://www.the-bread-code.io/book-sans-serif.pdf)
 * [Download compiled .epub version](https://www.the-bread-code.io/book-sans-serif.epub)
-* [Download compiled .mobi version](https://www.the-bread-code.io/book-sans-serif.mobi)
-* [Download compiled .azw3 version](https://www.the-bread-code.io/book-sans-serif.azw3)
+
+**The ebook files in .mobi and .azw3 have been retired, please let us know if
+you were using them.**
 
 ## Online HTML version (WIP)
 
@@ -133,4 +132,4 @@ International License][cc-by-sa].
 
 [cc-by-sa]: http://creativecommons.org/licenses/by-sa/4.0/
 [cc-by-sa-image]: https://licensebuttons.net/l/by-sa/4.0/88x31.png
-[cc-by-sa-shield]: https://img.shields.io/badge/License-CC%20BY--SA%204.0-lightgrey.svg
\ No newline at end of file
+[cc-by-sa-shield]: https://img.shields.io/badge/License-CC%20BY--SA%204.0-lightgrey.svg
diff --git a/book/makefile b/book/makefile
index 8ac7084..6861a2d 100644
--- a/book/makefile
+++ b/book/makefile
@@ -43,6 +43,10 @@ ruby_pkg := ../website/Gemfile  ../website/Gemfile.lock
 
 tgt_figures := $(patsubst %.tex, %.png,$(src_figures))
 
+# Default target is not all becuse most of the time we just want a pdf...
+# ebook take a long time to build.
+.DEFAULT_GOAL := build_serif_pdf
+
 # Default rules for pdf and ebooks, getting overwritten when built in a
 # sub-directory
 %.pdf: %.tex
@@ -78,9 +82,6 @@ epub/%.azw3:  epub/%.epub
 
 # Now with the rules
 # Expected usual rules first
-.PHONY: default
-default: build_serif_pdf
-
 .PHONY: all
 all: bake
 
diff --git a/website/modify_build.rb b/website/modify_build.rb
index e344fdf..86963f0 100644
--- a/website/modify_build.rb
+++ b/website/modify_build.rb
@@ -496,11 +496,6 @@ class ModifyBuild
       EPUB (no serif): <a href="https://www.the-bread-code.io/book-sans-serif.epub">https://www.the-bread-code.io/book-sans-serif.epub</a>
     </p>
 
-    <p class="noindent">
-      Kindle: <a href="https://www.the-bread-code.io/book.azw3">https://www.the-bread-code.io/book.azw3</a><br>
-      Kindle (no serif): <a href="https://www.the-bread-code.io/book-sans-serif.azw3">https://www.the-bread-code.io/book-sans-serif.azw3</a>
-    </p>
-
     <p class="noindent">
       The full source code of the book can be found here:
       <a href="https://www.github.com/hendricius/the-sourdough-framework">https://www.github.com/hendricius/the-sourdough-framework</a>