diff --git a/module/VuFind/src/VuFind/Content/Covers/Deprecated.php b/module/VuFind/src/VuFind/Content/Covers/Deprecated.php
new file mode 100644
index 0000000000000000000000000000000000000000..daf19819f5b618201f94a95bd9099c5422c4b9e9
--- /dev/null
+++ b/module/VuFind/src/VuFind/Content/Covers/Deprecated.php
@@ -0,0 +1,74 @@
+<?php
+/**
+ * Deprecated cover content loader (for backward-compatibility with deprecated
+ * settings).
+ *
+ * PHP version 7
+ *
+ * Copyright (C) Villanova University 2020.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * @category VuFind
+ * @package Content
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link https://vufind.org/wiki/development Wiki
+ */
+namespace VuFind\Content\Covers;
+
+/**
+ * Deprecated cover content loader (for backward-compatibility with deprecated
+ * settings).
+ *
+ * @category VuFind
+ * @package Content
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link https://vufind.org/wiki/development Wiki
+ */
+class Deprecated extends \VuFind\Content\AbstractCover
+{
+ /**
+ * Does this plugin support the provided ID array?
+ *
+ * @param array $ids IDs that will later be sent to load() -- see below.
+ *
+ * @return bool
+ *
+ * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+ */
+ public function supports($ids)
+ {
+ error_log('Deprecated cover provider called; check configuration.');
+ return false;
+ }
+
+ /**
+ * Get image URL for a particular API key and set of IDs (or false if invalid).
+ *
+ * @param string $key API key
+ * @param string $size Size of image to load (small/medium/large)
+ * @param array $ids Associative array of identifiers (keys may include 'isbn'
+ * pointing to an ISBN object and 'issn' pointing to a string)
+ *
+ * @return string|bool
+ *
+ * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+ */
+ public function getUrl($key, $size, $ids)
+ {
+ return false;
+ }
+}
diff --git a/module/VuFind/src/VuFind/Content/Covers/PluginManager.php b/module/VuFind/src/VuFind/Content/Covers/PluginManager.php
index 8c47623fb5c7e19009c36fd513a6b8a72db29fac..f260e3a13d417b8e222d829aa0d86ce57415435f 100644
--- a/module/VuFind/src/VuFind/Content/Covers/PluginManager.php
+++ b/module/VuFind/src/VuFind/Content/Covers/PluginManager.php
@@ -70,6 +70,7 @@ class PluginManager extends \VuFind\ServiceManager\AbstractPluginManager
BrowZine::class => BrowZineFactory::class,
Buchhandel::class => BuchhandelFactory::class,
ContentCafe::class => ContentCafeFactory::class,
+ Deprecated::class => InvokableFactory::class,
Google::class => InvokableFactory::class,
LibraryThing::class => InvokableFactory::class,
LocalFile::class => InvokableFactory::class,
diff --git a/module/VuFind/src/VuFind/Content/Deprecated.php b/module/VuFind/src/VuFind/Content/Deprecated.php
new file mode 100644
index 0000000000000000000000000000000000000000..966d1ffa5f3c403b2faa8ce6e576cbca0ce85277
--- /dev/null
+++ b/module/VuFind/src/VuFind/Content/Deprecated.php
@@ -0,0 +1,59 @@
+<?php
+/**
+ * Deprecated content loader (used for backward compatibility with deprecated
+ * settings).
+ *
+ * PHP version 7
+ *
+ * Copyright (C) Villanova University 2020.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * @category VuFind2
+ * @package Content
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link http://vufind.org/wiki/vufind2:developer_manual Wiki
+ */
+namespace VuFind\Content;
+
+/**
+ * Deprecated content loader (used for backward compatibility with deprecated
+ * settings).
+ *
+ * @category VuFind2
+ * @package Content
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link http://vufind.org/wiki/vufind2:developer_manual Wiki
+ */
+class Deprecated extends \VuFind\Content\AbstractBase
+{
+ /**
+ * Return empty data.
+ *
+ * @param string $key API key
+ * @param \VuFindCode\ISBN $isbnObj ISBN object
+ *
+ * @throws \Exception
+ * @return array Returns array with table of contents data.
+ *
+ * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+ */
+ public function loadByIsbn($key, \VuFindCode\ISBN $isbnObj)
+ {
+ error_log('Deprecated content provider called; check configuration.');
+ return [];
+ }
+}
diff --git a/module/VuFind/src/VuFind/Content/Reviews/PluginManager.php b/module/VuFind/src/VuFind/Content/Reviews/PluginManager.php
index 4b7b678eebd2bc8cd35d67813b8c9c3d376beeb7..81e575fd1d3cf0ad437b44e97fa137dd26894c32 100644
--- a/module/VuFind/src/VuFind/Content/Reviews/PluginManager.php
+++ b/module/VuFind/src/VuFind/Content/Reviews/PluginManager.php
@@ -27,6 +27,8 @@
*/
namespace VuFind\Content\Reviews;
+use VuFind\Content\Deprecated;
+
/**
* Reviews content loader plugin manager
*
@@ -63,6 +65,7 @@ class PluginManager extends \VuFind\ServiceManager\AbstractPluginManager
AmazonEditorial::class => \VuFind\Content\AbstractAmazonFactory::class,
Booksite::class => BooksiteFactory::class,
Demo::class => \Laminas\ServiceManager\Factory\InvokableFactory::class,
+ Deprecated::class => \Laminas\ServiceManager\Factory\InvokableFactory::class,
Guardian::class => \Laminas\ServiceManager\Factory\InvokableFactory::class,
Syndetics::class => \VuFind\Content\AbstractSyndeticsFactory::class,
SyndeticsPlus::class => \VuFind\Content\AbstractSyndeticsFactory::class,
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/DeprecatedTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/DeprecatedTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..1066fb25de9336fc582f6b20a28a525a7db60c22
--- /dev/null
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Content/Covers/DeprecatedTest.php
@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * Unit tests for Deprecated cover loader.
+ *
+ * PHP version 7
+ *
+ * Copyright (C) Villanova University 2010.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * @category VuFind
+ * @package Search
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link https://vufind.org
+ */
+namespace VuFindTest\Content\Covers;
+
+use VuFindCode\ISBN;
+
+/**
+ * Unit tests for Deprecated cover loader.
+ *
+ * @category VuFind
+ * @package Search
+ * @author Demian Katz <demian.katz@villanova.edu>
+ * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link https://vufind.org
+ */
+class DeprecatedTest extends \PHPUnit\Framework\TestCase
+{
+ /**
+ * Test that the handler never actually does anything.
+ *
+ * @return void
+ */
+ public function testEverythingDisabled()
+ {
+ $sizes = ['small', 'medium', 'large'];
+ foreach ($sizes as $size) {
+ $this->assertFalse($this->getUrl($size));
+ }
+ }
+
+ /**
+ * Simulate retrieval of a cover URL for a particular size.
+ *
+ * @param string $size Size to retrieve
+ * @param string $isbn ISBN to retrieve (empty for none)
+ *
+ * @return string
+ */
+ protected function getUrl($size, $isbn = '0739313126')
+ {
+ $deprecated = new \VuFind\Content\Covers\Deprecated();
+ $params = empty($isbn) ? [] : ['isbn' => new ISBN($isbn)];
+ return $deprecated->getUrl('fakekey', $size, $params);
+ }
+}