diff --git a/book/book.tex b/book/book.tex
index e59e8b5..772b10b 100644
--- a/book/book.tex
+++ b/book/book.tex
@@ -75,7 +75,7 @@
 \appendix
 %\include{insnsummary/chapter}	 % no longer neded with expanded refcard
 \include{install/chapter}
-\include{toolchain/chapter}
+%\include{toolchain/chapter}
 \include{float/chapter}
 \include{ascii/chapter}
 \include{license/chapter}