diff --git a/Duplicati/Library/Backend/SharePoint/Duplicati.Library.Backend.SharePoint.csproj b/Duplicati/Library/Backend/SharePoint/Duplicati.Library.Backend.SharePoint.csproj
index 00d4a3003..b1b16f8d6 100644
--- a/Duplicati/Library/Backend/SharePoint/Duplicati.Library.Backend.SharePoint.csproj
+++ b/Duplicati/Library/Backend/SharePoint/Duplicati.Library.Backend.SharePoint.csproj
@@ -27,7 +27,6 @@
     <Reference Include="SharePointPnP.Client">
       <HintPath>..\..\..\..\thirdparty\SharePointPnP-Sites-Core\SharePointPnP.Client.dll</HintPath>
     </Reference>
-    <Reference Include="System.Web" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file