diff --git a/doc/manpages/boinc_client.xml b/doc/manpages/boinc_client.xml
index e60e9d1fb5..bcece8a69f 100644
--- a/doc/manpages/boinc_client.xml
+++ b/doc/manpages/boinc_client.xml
@@ -99,13 +99,6 @@
         </listitem>
       </varlistentry>
 
-      <varlistentry>
-        <term><option>--return_results_immediately</option></term>
-        <listitem>
-          <para>contact server when have results</para>
-        </listitem>
-      </varlistentry>
-
       <varlistentry>
         <term>
           <option>--detach_project <replaceable>URL</replaceable></option>