diff --git a/C4/Auth.pm b/C4/Auth.pm
index 8e5b5f6e54..5659351606 100644
--- a/C4/Auth.pm
+++ b/C4/Auth.pm
@@ -1362,12 +1362,6 @@ sub checkauth {
         opacreadinghistory                    => C4::Context->preference("opacreadinghistory"),
         opaclanguagesdisplay                  => C4::Context->preference("opaclanguagesdisplay"),
         OPACUserJS                            => C4::Context->preference("OPACUserJS"),
-        opacbookbag                           => "" . C4::Context->preference("opacbookbag"),
-        OpacCloud                             => C4::Context->preference("OpacCloud"),
-        OpacTopissue                          => C4::Context->preference("OpacTopissue"),
-        OpacAuthorities                       => C4::Context->preference("OpacAuthorities"),
-        OpacBrowser                           => C4::Context->preference("OpacBrowser"),
-        TagsEnabled                           => C4::Context->preference("TagsEnabled"),
         OPACUserCSS                           => C4::Context->preference("OPACUserCSS"),
         intranetcolorstylesheet               => C4::Context->preference("intranetcolorstylesheet"),
         intranetstylesheet                    => C4::Context->preference("intranetstylesheet"),