diff --git a/app/controllers/resources/admin.php b/app/controllers/resources/admin.php
index 2f6e34edf9f2a9144f4cb8f1a37154dd9dd3b99b..f5834b3a67091699e3916d22121b54fd9173a86f 100644
--- a/app/controllers/resources/admin.php
+++ b/app/controllers/resources/admin.php
@@ -1148,11 +1148,6 @@ class Resources_AdminController extends AuthenticatedController
                 'RESOURCES_ENABLE',
                 (bool)Request::get('resources_enable')
             );
-            $this->config->store(
-                'RESOURCES_ALLOW_VIEW_RESOURCE_OCCUPATION',
-                (bool)Request::get('resources_allow_view_resource_occupation')
-            );
-
             $this->config->store(
                 'RESOURCES_ALLOW_ROOM_PROPERTY_REQUESTS',
                 (bool)Request::get('resources_allow_room_property_requests')
diff --git a/app/views/resources/admin/configuration.php b/app/views/resources/admin/configuration.php
index 23ade8d19c03634dadcc6bbbe3b8b9eb9d56d239..5fb3e8916a46bb75d11469fddac16d433b9ae8be 100644
--- a/app/views/resources/admin/configuration.php
+++ b/app/views/resources/admin/configuration.php
@@ -14,14 +14,6 @@
     </fieldset>
     <fieldset>
         <legend><?= _('Anzeigeoptionen') ?></legend>
-        <label>
-            <input type="checkbox" name="resources_allow_view_resource_occupation"
-                   value="1"
-                   <?= $config->RESOURCES_ALLOW_VIEW_RESOURCE_OCCUPATION == '1'
-                     ? 'checked="checked"'
-                     : ''?>>
-            <?= _('Belegungen sind sichtbar für alle Nutzer') ?>
-        </label>
         <? if ($colours): ?>
             <? foreach ($colours as $colour): ?>
                 <label>
diff --git a/app/views/resources/search/rooms.php b/app/views/resources/search/rooms.php
index d35f0304edb6210f3608135e4cf26b66c48a7672..1149a1927be5372500d8ae73349a83e546b16a18 100644
--- a/app/views/resources/search/rooms.php
+++ b/app/views/resources/search/rooms.php
@@ -47,8 +47,7 @@
                             Icon::create('info-circle'),
                             ['data-dialog' => '']
                         );
-                        if (($room->booking_plan_is_public && Config::get()->RESOURCES_SHOW_PUBLIC_ROOM_PLANS)
-                            || ($room->userHasPermission($current_user, 'autor'))) {
+                        if ($room->bookingPlanVisibleForUser($current_user)) {
                             $actions->addLink(
                                 $room->getActionURL('booking_plan', $booking_plan_action_params),
                                 (
diff --git a/db/migrations/5.1.50_fix_for_biest2856.php b/db/migrations/5.1.50_fix_for_biest2856.php
new file mode 100644
index 0000000000000000000000000000000000000000..b6aea955104bbaaebb69af4195e2a8f5e374ae1a
--- /dev/null
+++ b/db/migrations/5.1.50_fix_for_biest2856.php
@@ -0,0 +1,29 @@
+<?php
+/**
+ * @see https://gitlab.studip.de/studip/studip/-/issues/2856
+ */
+final class FixForBiest2856 extends Migration
+{
+    public function description()
+    {
+        return 'Removes the obsolete configuration RESOURCES_ALLOW_VIEW_RESOURCE_OCCUPATION';
+    }
+
+    protected function up()
+    {
+        $query = "DELETE `config`, `config_values`
+                  FROM `config`
+                  LEFT JOIN `config_values` USING (`field`)
+                  WHERE `field` = 'RESOURCES_ALLOW_VIEW_RESOURCE_OCCUPATION'";
+        DBManager::get()->exec($query);
+    }
+
+    protected function down()
+    {
+        $query = "INSERT INTO `config` (`field`, `value`, `type`, `range`, `section`, `mkdate`, `chdate`, `description`)
+                  VALUES ('RESOURCES_ALLOW_VIEW_RESOURCE_OCCUPATION', '1', 'boolean', 'global', 'resources', UNIX_TIMESTAMP(), UNIX_TIMESTAMP(), 'Dürfen alle Nutzer Ressourcenbelegungen einsehen?')";
+        DBManager::get()->exec($query);
+    }
+}
+
+
diff --git a/lib/models/resources/Room.class.php b/lib/models/resources/Room.class.php
index 1c9a0e401d74c38c49f2029f0b8ebb29ef4174f3..2cea825561d75d017904df5496331188d603815c 100644
--- a/lib/models/resources/Room.class.php
+++ b/lib/models/resources/Room.class.php
@@ -647,8 +647,8 @@ class Room extends Resource
      */
     public function bookingPlanVisibleForUser(?User $user, $time_range = [])
     {
-        return parent::bookingPlanVisibleForUser($user, $time_range)
-            || $this->booking_plan_is_public && Config::get()->RESOURCES_SHOW_PUBLIC_ROOM_PLANS;
+        return $this->booking_plan_is_public
+            || parent::bookingPlanVisibleForUser($user, $time_range);
     }