diff --git a/applets/systemtray/package/contents/config/main.xml b/applets/systemtray/package/contents/config/main.xml
index 48f5dbe8c..ce2d46ce6 100644
--- a/applets/systemtray/package/contents/config/main.xml
+++ b/applets/systemtray/package/contents/config/main.xml
@@ -1,58 +1,56 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <kcfg xmlns="http://www.kde.org/standards/kcfg/1.0"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0
       http://www.kde.org/standards/kcfg/1.0/kcfg.xsd" >
   <kcfgfile name=""/>
 
   <group name="General">
     <entry name="applicationStatusShown" type="bool">
       <label>If true, the items of "Application status" category are shown in the systray.</label>
       <default>true</default>
     </entry>
     <entry name="communicationsShown" type="bool">
       <label>If true, the items of "Communications" category are shown in the systray.</label>
       <default>true</default>
     </entry>
     <entry name="systemServicesShown" type="bool">
       <label>If true, the items of "System services" category are shown in the systray.</label>
       <default>true</default>
     </entry>
     <entry name="hardwareControlShown" type="bool">
       <label>If true, the items of "Hardware Control" category are shown in the systray.</label>
       <default>true</default>
     </entry>
     <entry name="miscellaneousShown" type="bool">
       <label>If true, the items of "miscellaneous" category are shown in the systray.</label>
       <default>true</default>
     </entry>
 
     <entry name="extraItems" type="StringList">
       <label>All plasmoid items that are explicitly enabled in the systray. It's a comma-separated string list of plasmoid plugin ids.</label>
       <default></default>
     </entry>
     <entry name="hiddenItems" type="StringList">
       <label>All items that are hidden, forced always in the popup. It's a comma-separated string list of unique identifiers that are either plasmoid plugin ids or StatusNotifier ids.</label>
       <default></default>
     </entry>
     <entry name="shownItems" type="StringList">
       <label>All items that are shown. It's a comma-separated string list of unique identifiers that are either plasmoid plugin ids or StatusNotifier ids.</label>
       <default></default>
     </entry>
     <entry name="showAllItems" type="bool">
         <label>If true, all systray entries will be always in the main area, outside the popup.</label>
         <default>false</default>
     </entry>
-    <entry name="knownItems" type="StringList">
-        <label>All the plasmoids the applet knows of. a plasmoid will be automatically added
-         if X-KDE-PluginInfo-EnabledByDefault=true and is not in the known list.</label>
+    <entry name="knownItems" type="StringList" hidden="true">
       <default></default>
     </entry>
     <entry name="iconSize" type="Int">
       <label>Default icon size for the systray icons, it's an enum which values mean, Small, SmallMedium, Medium, Large, Huge, Enormous respectively. On low DPI systems they correspond to 16, 22, 32, 48, 64, 128 pixels. On high DPI systems those values would be scaled up, depending on the DPI.</label>
       <default>1</default>
     </entry>
   </group>
 
 </kcfg>