diff --git a/lib/doc/UserGuide.lyx b/lib/doc/UserGuide.lyx
index 553a4b04ba..bc6ecfa843 100644
--- a/lib/doc/UserGuide.lyx
+++ b/lib/doc/UserGuide.lyx
@@ -3641,14 +3641,6 @@ Additional Features
 A&A Journal articles in the style and format used in Astronomy & Astrophysics
 \end_layout
 
-\begin_layout Description
-ACS For submissions to the journals published by the American Chemistry Society
-\end_layout
-
-\begin_layout Description
-AGU For submissions to the journals published by the American Geophysical Union
-\end_layout
-
 \begin_layout Description
 AMS Layouts for articles and books in the style and format used by the American Mathematical Society (AMS).
  There are three article layouts available.
@@ -3699,7 +3691,7 @@ vitae classes to create curriculum vitae
 \end_layout
 
 \begin_layout Description
-Elsarticle Layout for journals of the Elsevier publishing group
+Elsevier Layout for journals of the Elsevier publishing group
 \end_layout
 
 \begin_layout Description
@@ -3714,14 +3706,6 @@ Hollywood Used to type spec scripts for the US film industry.
 .
 \end_layout
 
-\begin_layout Description
-IEEEtran Layout for the journals published by the Institute of Electrical and Electronics Engineers (IEEE)
-\end_layout
-
-\begin_layout Description
-IOP Layout for journals of the Institute of Physics publishing group
-\end_layout
-
 \begin_layout Description
 Kluwer Layout for journals of the Kluwer publishing group
 \end_layout
@@ -3757,14 +3741,6 @@ TeX
 Slides Used to make transparencies
 \end_layout
 
-\begin_layout Description
-SPIE
-\begin_inset space ~
-\end_inset
-
-Proceedings Layout for the journals published by The International Society for Optical Engineering (SPIE)
-\end_layout
-
 \begin_layout Description
 Springer Layouts for journals of the Springer publishing group
 \end_layout
@@ -3773,7 +3749,7 @@ Springer Layouts for journals of the Springer publishing group
 We will not go into detail about how to use these different document classes here.
  You can find details about the non-standard classes in chapter 
 \emph on
-Special Document Classes
+Document Classes
 \emph default
  of the 
 \emph on
@@ -3835,13 +3811,7 @@ Unavailable
 Nothing is wrong.
  \SpecialChar LyX
  includes many more document classes than you will ever need to use,
- and some of them,
- like 
-\family sans
-IOP
-\family default
-,
- are highly specialized.
+ and some of them are highly specialized.
  \SpecialChar LyX
  tries to support as many different types of documents as possible,
  and it includes almost one hundred different layout files,
@@ -3897,9 +3867,7 @@ Although \SpecialChar LyX
  and many users have done so.
  Chapter 
 \emph on
-Installing New Document Classes,
- Layouts,
- and Templates
+Installing New Document Classes
 \emph default
  of the 
 \emph on