diff --git a/BaseSearcher.py b/BaseSearcher.py
index d04451e..9dbe865 100644
--- a/BaseSearcher.py
+++ b/BaseSearcher.py
@@ -491,7 +491,6 @@ class OpenSearch(object):
             lang = self.lang_to_default_locale.get(lang, 'en_US')
         lang2 = self.lang[:2]
 
-        self.fb_lang = lang if lang in FB_LANGS else 'en_US'
         self.paypal_lang = lang if lang in PAYPAL_LANGS else 'en_US'
         self.flattr_lang = lang if lang in FLATTR_LANGS else 'en_US'
 
@@ -553,7 +552,6 @@ class OpenSearch(object):
         self.show_next_page_link = (self.end_index < self.total_results)
 
         self.desktop_search = self.url('search', format = None)
-        self.json_search = self.url('suggest', format = None)
 
         self.base_url = self.url(host = self.file_host, protocol='https')
 
diff --git a/templates/error.html b/templates/error.html
index f708caa..bf4e5ef 100644
--- a/templates/error.html
+++ b/templates/error.html
@@ -24,10 +24,8 @@
 
     <script type="text/javascript">//<![CDATA[
         //<![CDATA[
-        var json_search     = "/ebooks/suggest/";
         var canonical_url   = "https://www.gutenberg.org/ebooks/";
         var lang            = "en";
-        var fb_lang         = "en_US"; /* FB accepts only xx_XX */
         var msg_load_more   = "Load More Results…";
         var page_mode       = "screen";
         var dialog_title    = "";
diff --git a/templates/site-layout.html b/templates/site-layout.html
index 596c65c..888b332 100644
--- a/templates/site-layout.html
+++ b/templates/site-layout.html
@@ -24,10 +24,8 @@
 
     <!--! IE8 does not recognize application/javascript -->
     <script>//<![CDATA[
-      var json_search     = "${os.json_search}";
       var canonical_url   = "${os.canonical_url}";
       var lang            = "${os.lang}";
-      var fb_lang         = "${os.fb_lang}"; /* FB accepts only xx_XX */
       var msg_load_more   = "${_('Load More Results…')}";
       var page_mode       = "${os.page_mode}";
       var dialog_title    = "${os.user_dialog[1]}";