diff --git a/src/calibre/customize/builtins.py b/src/calibre/customize/builtins.py
index df6756dca6..349c187bda 100644
--- a/src/calibre/customize/builtins.py
+++ b/src/calibre/customize/builtins.py
@@ -1829,15 +1829,6 @@ class StoreWoblinkStore(StoreBase):
     affiliate = True
 
 
-class XinXiiStore(StoreBase):
-    name = 'XinXii'
-    description = ''
-    actual_plugin = 'calibre.gui2.store.stores.xinxii_plugin:XinXiiStore'
-
-    headquarters = 'DE'
-    formats = ['EPUB', 'PDF']
-
-
 plugins += [
     StoreArchiveOrgStore,
     StoreBubokPublishingStore,
@@ -1882,7 +1873,6 @@ plugins += [
     StoreWeightlessBooksStore,
     StoreWolneLekturyStore,
     StoreWoblinkStore,
-    XinXiiStore
 ]
 
 # }}}
diff --git a/src/calibre/gui2/store/stores/xinxii_plugin.py b/src/calibre/gui2/store/stores/xinxii_plugin.py
deleted file mode 100644
index bb2324f4ab..0000000000
--- a/src/calibre/gui2/store/stores/xinxii_plugin.py
+++ /dev/null
@@ -1,85 +0,0 @@
-# -*- coding: utf-8 -*-
-from __future__ import absolute_import, division, print_function, unicode_literals
-
-store_version = 2  # Needed for dynamic plugin loading
-
-__license__ = 'GPL 3'
-__copyright__ = '2011, John Schember <john@nachtimwald.com>'
-__docformat__ = 'restructuredtext en'
-
-from contextlib import closing
-try:
-    from urllib.parse import quote_plus
-except ImportError:
-    from urllib import quote_plus
-
-from lxml import etree
-
-from calibre import browser
-from calibre.gui2.store.basic_config import BasicStoreConfig
-from calibre.gui2.store.opensearch_store import OpenSearchOPDSStore
-from calibre.gui2.store.search_result import SearchResult
-
-
-class XinXiiStore(BasicStoreConfig, OpenSearchOPDSStore):
-
-    open_search_url = 'https://www.xinxii.com/catalog-search/'
-    web_url = 'https://xinxii.com/'
-
-    # https://www.xinxii.com/catalog/
-
-    def search(self, query, max_results=10, timeout=60):
-        '''
-        XinXii's open search url is:
-        http://www.xinxii.com/catalog-search/query/?keywords={searchTerms}&amp;pw={startPage?}&amp;doc_lang={docLang}&amp;ff={docFormat},{docFormat},{docFormat}
-
-        This url requires the docLang and docFormat. However, the search itself
-        sent to XinXii does not require them. They can be ignored. We cannot
-        push this into the stanard OpenSearchOPDSStore search because of the
-        required attributes.
-
-        XinXii doesn't return all info supported by OpenSearchOPDSStore search
-        function so this one is modified to remove parts that are used.
-        '''
-
-        url = 'https://www.xinxii.com/catalog-search/query/?keywords=' + quote_plus(query)
-
-        counter = max_results
-        br = browser()
-        with closing(br.open(url, timeout=timeout)) as f:
-            doc = etree.fromstring(f.read(), parser=etree.XMLParser(recover=True, no_network=True, resolve_entities=False))
-            for data in doc.xpath('//*[local-name() = "entry"]'):
-                if counter <= 0:
-                    break
-
-                counter -= 1
-
-                s = SearchResult()
-
-                s.detail_item = ''.join(data.xpath('./*[local-name() = "id"]/text()')).strip()
-
-                for link in data.xpath('./*[local-name() = "link"]'):
-                    rel = link.get('rel')
-                    href = link.get('href')
-                    type = link.get('type')
-
-                    if rel and href and type:
-                        if rel in ('http://opds-spec.org/thumbnail', 'http://opds-spec.org/image/thumbnail'):
-                            s.cover_url = href
-                        if rel == 'alternate':
-                            s.detail_item = href
-
-                s.formats = 'EPUB, PDF'
-
-                s.title = ' '.join(data.xpath('./*[local-name() = "title"]//text()')).strip()
-                s.author = ', '.join(data.xpath('./*[local-name() = "author"]//*[local-name() = "name"]//text()')).strip()
-
-                price_e = data.xpath('.//*[local-name() = "price"][1]')
-                if price_e:
-                    price_e = price_e[0]
-                    currency_code = price_e.get('currencycode', '')
-                    price = ''.join(price_e.xpath('.//text()')).strip()
-                    s.price = currency_code + ' ' + price
-                    s.price = s.price.strip()
-
-                yield s