diff --git a/appendices/reserved.constants.pgsql.xml b/appendices/reserved.constants.pgsql.xml
deleted file mode 100644
index 3518924e81..0000000000
--- a/appendices/reserved.constants.pgsql.xml
+++ /dev/null
@@ -1,235 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
- <refentry id="reserved.constants.pgsql">
-  <refnamediv>
-   <refname>pgsql Predefined Constants</refname>
-   <refpurpose>Constants defined in the <link linkend="ref.pgsql">pgsql</link> extension</refpurpose>
-  </refnamediv>
-  <refsect1>
-   <title>Description</title>
-   <simpara>
-    These constants are defined by the <link
-    linkend="ref.pgsql"> pgsql</link> extension, and
-    will only be available when that extension has either been
-    compiled into PHP or dynamically loaded at runtime.
-   </simpara>
-   <variablelist>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_ASSOC</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_NUM</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_BOTH</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_CONNECTION_BAD</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_CONNECTION_OK</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_SEEK_SET</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_SEEK_CUR</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_SEEK_END</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_ESCAPE_STRING</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_ESCAPE_BYTEA</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_EMPTY_QUERY</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_COMMAND_OK</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_TUPLES_OK</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_COPY_OUT</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_COPY_IN</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_BAD_RESPONSE</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_NONFATAL_ERROR</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-    <varlistentry>
-     <term>
-      <constant>PGSQL_FATAL_ERROR</constant> 
-      (<link linkend="language.types.integer">integer</link>)
-     </term>
-     <listitem>
-      <simpara>
-       
-      </simpara>
-     </listitem>
-    </varlistentry>
-   </variablelist>
-  </refsect1>
- </refentry>
-
-<!-- Keep this comment at the end of the file
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--->