diff --git a/src/basic.tex b/src/basic.tex
index f14b381..c77d70b 100644
--- a/src/basic.tex
+++ b/src/basic.tex
@@ -1,32 +1,9 @@
 %!TEX root = ts.tex
 \rSec0[basic]{Basic concepts}
 
-\rSec1[gram.basic]{Basic concepts}
-
-Add concepts to the list of entities.
-
-\begin{quote}
-\setcounter{Paras}{2}
-\pnum
-An \defn{entity} is a value, object, reference, function, enumerator, type,
-class member, bit-field, template, \added{concept,} template specialization, 
-namespace, or parameter pack.
-\end{quote}
-
 \rSec1[basic.def.odr]{One-definition rule}
 
-Modify paragraph 1.
-
-\begin{quote}
-\pnum
-No translation unit shall contain more than one definition of any
-variable, function, class type, enumeration type, 
-\removed{or} template\added{, or concept}.
-\end{quote}
-
-Modify paragraph 6. The full requirements allowing multiple definitions
-in different translation units are unchanged and therefore omitted in this
-text.
+Modify at the beginning of paragraph 6.
 
 \begin{quote}
 \setcounter{Paras}{5}