diff --git a/module/fid_bbi/config/module.config.php b/module/fid_bbi/config/module.config.php
index d944d7f812a168ea20719015996eeefdb70b2cfe..a2145954e9d730d10a18c3b1118fe6f8d5b3a580 100644
--- a/module/fid_bbi/config/module.config.php
+++ b/module/fid_bbi/config/module.config.php
@@ -104,11 +104,6 @@ $config = [
                     'fid_bbi\Db\Row\Tags' => BaseTagsRow::class,
                     'fid_bbi\Db\Row\ResourceTags' => 'VuFind\Db\Row\ResourceTags'
                 ]
-            ],
-            'resolver_driver' => [
-                'aliases' => [
-                    'ezb' => 'finc\Resolver\Driver\Ezb'
-                ]
             ]
         ],
         'recorddriver_tabs'            => [
diff --git a/themes/fid_bbi/theme.config.php b/themes/fid_bbi/theme.config.php
index c16b0eef8ecd374cd17f24daa61ccb84cb3a812c..225f8a9c66408b6a3dc0ba31403b1a60cb6371fe 100644
--- a/themes/fid_bbi/theme.config.php
+++ b/themes/fid_bbi/theme.config.php
@@ -9,6 +9,7 @@ return [
     ],
     'mixins' => [
         'worldcat',
+        'boss'
     ],
     'helpers' => array(
         'aliases' => [