diff --git a/src/appendix/background.md b/src/appendix/background.md
index 983f028a..e7b9f3af 100644
--- a/src/appendix/background.md
+++ b/src/appendix/background.md
@@ -1,4 +1,4 @@
-# Appendix B: Background topics
+# Background topics
 
 This section covers a numbers of common compiler terms that arise in
 this guide. We try to give the general definition while providing some
diff --git a/src/appendix/code-index.md b/src/appendix/code-index.md
index 76f4609c..8561efe4 100644
--- a/src/appendix/code-index.md
+++ b/src/appendix/code-index.md
@@ -1,4 +1,4 @@
-# Appendix D: Code Index
+# Code Index
 
 rustc has a lot of important data structures. This is an attempt to give some
 guidance on where to learn more about some of the key data structures of the
diff --git a/src/appendix/glossary.md b/src/appendix/glossary.md
index f428c8f0..9e8703d1 100644
--- a/src/appendix/glossary.md
+++ b/src/appendix/glossary.md
@@ -1,4 +1,4 @@
-# Appendix C: Glossary
+# Glossary
 
 Term                                     | Meaning
 -----------------------------------------|--------