diff --git a/reference/exec/functions/proc-nice.xml b/reference/exec/functions/proc-nice.xml
index 48e8ee4112..d186345c2b 100644
--- a/reference/exec/functions/proc-nice.xml
+++ b/reference/exec/functions/proc-nice.xml
@@ -52,12 +52,6 @@
          </row>
         </thead>
         <tbody>
-         <row>
-          <entry valign="top">Realtime priority</entry>
-          <entry valign="top">
-           <parameter>increment</parameter> <literal>&lt; -14</literal>
-          </entry>
-         </row>
          <row>
           <entry valign="top">High priority</entry>
           <entry valign="top">