diff --git a/doc/src/sgml/ref/postgres-ref.sgml b/doc/src/sgml/ref/postgres-ref.sgml
index d60d4ffbfcc..fc11aa14a60 100644
--- a/doc/src/sgml/ref/postgres-ref.sgml
+++ b/doc/src/sgml/ref/postgres-ref.sgml
@@ -636,16 +636,6 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
 
-   <varlistentry>
-    <term><envar>TZ</envar></term>
-
-    <listitem>
-     <para>
-      Server time zone
-     </para>
-    </listitem>
-   </varlistentry>
-
   </variablelist>
  </refsect1>