diff --git a/book.asciidoc b/book.asciidoc
index df4653b5..a8ded1bf 100644
--- a/book.asciidoc
+++ b/book.asciidoc
@@ -30,6 +30,4 @@ include::appdx-pycoin.asciidoc[]
 
 include::appdx-scriptops.asciidoc[]
 
-include::appdx-sx.asciidoc[]
-
-include::appdx01.asciidoc[]
\ No newline at end of file
+include::appdx-sx.asciidoc[]
\ No newline at end of file