diff --git a/reference/exec/functions/proc-close.xml b/reference/exec/functions/proc-close.xml
index 6dcee79c69..ec4dbf2850 100644
--- a/reference/exec/functions/proc-close.xml
+++ b/reference/exec/functions/proc-close.xml
@@ -50,19 +50,6 @@
   </para>
  </refsect1>
 
- <refsect1 role="notes">
-  &reftitle.notes;
-  <note>
-   <title>Unix Only:</title>
-   <para>
-    <function>proc_close</function> is internally implemented using the 
-    <literal>waitpid(3)</literal> system call. To obtain the real exit 
-    status code the <function>pcntl_wexitstatus</function> function 
-    should be used.
-   </para>
-  </note>
- </refsect1>
-
 </refentry>
 
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