diff --git a/language/types/null.xml b/language/types/null.xml
index 5be7e2a17b..3aff5cc9e1 100644
--- a/language/types/null.xml
+++ b/language/types/null.xml
@@ -35,7 +35,7 @@
 
   <para>
    There is only one value of type <type>null</type>, and that is the
-   case-insensitive keyword &null;.
+   case-insensitive constant &null;.
   </para>
 
   <informalexample>
@@ -55,16 +55,6 @@ $var = NULL;
 
  </sect2>
 
- <sect2 xml:id="language.types.null.casting">
-  <title>Casting to <literal>NULL</literal></title>
-  
-  <para>
-   Casting a variable to <type>null</type> will remove the variable 
-   and unset its value.
-  </para>
-
- </sect2>
-
 </sect1>
  
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