diff --git a/helpcontent2/source/text/scalc/01/04060112.xhp b/helpcontent2/source/text/scalc/01/04060112.xhp
index c0d9e1005c..15cfafccc2 100644
--- a/helpcontent2/source/text/scalc/01/04060112.xhp
+++ b/helpcontent2/source/text/scalc/01/04060112.xhp
@@ -74,10 +74,7 @@ dedr: fixed #i30855#</lastedited>
 <bookmark_value>functions; $[officename] Calc add-in DLL</bookmark_value>
 <bookmark_value>add-ins; for programming</bookmark_value>
 </bookmark>
-<paragraph role="heading" id="hd_id3151076" xml-lang="en-US" level="1" l10n="U" oldref="1"><switchinline select="sys"><caseinline select="UNIX">
-</caseinline><defaultinline></defaultinline></switchinline><switchinline select="sys"><caseinline select="UNIX">
-</caseinline><defaultinline></defaultinline></switchinline><switchinline select="sys"><caseinline select="UNIX">
-</caseinline><defaultinline></defaultinline></switchinline>Add-in for Programming in $[officename] Calc</paragraph>
+<paragraph role="heading" id="hd_id3151076" xml-lang="en-US" level="1" l10n="U" oldref="1">Add-in for Programming in $[officename] Calc</paragraph>
 <paragraph role="warning" id="par_id3147001" xml-lang="en-US" l10n="U" oldref="220">The method of extending Calc by Add-Ins that is described in the following is outdated. The interfaces are still valid and supported, to ensure compatibility with existing Add-Ins, but for programming new Add-Ins you should use the new <link href="text/shared/guide/integratinguno.xhp" name="API functions">API functions</link>.</paragraph>
 <paragraph role="paragraph" id="par_id3150361" xml-lang="en-US" l10n="U" oldref="2">$[officename] Calc can be expanded by Add-Ins, which are external programming modules providing additional functions for working with spreadsheets. These are listed in the <emph>Function Wizard</emph> in the <emph>Add-In</emph> category. If you would like to program an Add-In yourself, you can learn here which functions must be exported by the <switchinline select="sys"><caseinline select="UNIX">shared library 
 </caseinline><defaultinline>external DLL</defaultinline></switchinline> so that the Add-In can be successfully attached.</paragraph>