diff --git a/recipes/buenosaireseconomico.recipe b/recipes/buenosaireseconomico.recipe
index 2de02c7c10..ccfdd5aca0 100644
--- a/recipes/buenosaireseconomico.recipe
+++ b/recipes/buenosaireseconomico.recipe
@@ -5,7 +5,6 @@ www.diariobae.com
 '''
 from calibre import strftime
 from calibre.web.feeds.news import BasicNewsRecipe
-from calibre.ebooks.BeautifulSoup import Tag
 
 class BsAsEconomico(BasicNewsRecipe):
     title                 = 'Buenos Aires Economico'
@@ -22,8 +21,8 @@ class BsAsEconomico(BasicNewsRecipe):
     cover_url             = strftime('http://www.diariobae.com/imgs_portadas/%Y%m%d_portadasBAE.jpg')
     masthead_url          = 'http://www.diariobae.com/img/logo_bae.png'
     remove_empty_feeds    = True
-    publication_type      = 'newspaper'    
-    extra_css             = """ 
+    publication_type      = 'newspaper'
+    extra_css             = """
                                body{font-family: Georgia,"Times New Roman",Times,serif}
                                #titulo{font-size: x-large}
                                #epi{font-size: small; font-style: italic; font-weight: bold}
@@ -43,7 +42,7 @@ class BsAsEconomico(BasicNewsRecipe):
                            ,dict(attrs={'id':'barra_tw'})
                         ]
     remove_attributes = ['data-count','data-via']
-    
+
     feeds = [
                (u'Argentina'   , u'http://www.diariobae.com/rss/argentina.xml'   )
               ,(u'Valores'     , u'http://www.diariobae.com/rss/valores.xml'     )
diff --git a/src/calibre/gui2/book_details.py b/src/calibre/gui2/book_details.py
index c1592a59fc..51f0a8d701 100644
--- a/src/calibre/gui2/book_details.py
+++ b/src/calibre/gui2/book_details.py
@@ -5,8 +5,6 @@ __license__   = 'GPL v3'
 __copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
-import urllib2
-
 from PyQt4.Qt import (QPixmap, QSize, QWidget, Qt, pyqtSignal, QUrl,
     QPropertyAnimation, QEasingCurve, QApplication, QFontInfo,
     QSizePolicy, QPainter, QRect, pyqtProperty, QLayout, QPalette, QMenu)
diff --git a/src/calibre/gui2/store/stores/archive_org_plugin.py b/src/calibre/gui2/store/stores/archive_org_plugin.py
index b2ea4e04f1..6972c604ce 100644
--- a/src/calibre/gui2/store/stores/archive_org_plugin.py
+++ b/src/calibre/gui2/store/stores/archive_org_plugin.py
@@ -30,6 +30,9 @@ class ArchiveOrgStore(BasicStoreConfig, OpenSearchStore):
         The opensearch feed only returns a subset of formats that are available.
         We want to get a list of all formats that the user can get.
         '''
+        from calibre import browser
+        from contextlib import closing
+        from lxml import html
         br = browser()
         with closing(br.open(search_result.detail_item, timeout=timeout)) as nf:
             idata = html.fromstring(nf.read())
diff --git a/src/calibre/gui2/store/stores/bn_plugin.py b/src/calibre/gui2/store/stores/bn_plugin.py
index abe789ad76..aa30ffe677 100644
--- a/src/calibre/gui2/store/stores/bn_plugin.py
+++ b/src/calibre/gui2/store/stores/bn_plugin.py
@@ -7,7 +7,6 @@ __copyright__ = '2011, John Schember <john@nachtimwald.com>'
 __docformat__ = 'restructuredtext en'
 
 import random
-import re
 from contextlib import closing
 
 from lxml import html
@@ -22,13 +21,13 @@ from calibre.gui2.store.search_result import SearchResult
 from calibre.gui2.store.web_store_dialog import WebStoreDialog
 
 class BNStore(BasicStoreConfig, StorePlugin):
-    
+
     def open(self, parent=None, detail_item=None, external=False):
         pub_id = 'sHa5EXvYOwA'
         # Use Kovid's affiliate id 30% of the time.
         if random.randint(1, 10) in (1, 2, 3):
             pub_id = '0dsO3kDu/AU'
-        
+
         base_url = 'http://click.linksynergy.com/fs-bin/click?id=%s&subid=&offerid=229293.1&type=10&tmpid=8433&RD_PARM1=' % pub_id
         url = base_url + 'http%253A%252F%252Fwww.barnesandnoble.com%252F'
 
@@ -46,27 +45,27 @@ class BNStore(BasicStoreConfig, StorePlugin):
     def search(self, query, max_results=10, timeout=60):
         query = query.replace(' ', '-')
         url = 'http://www.barnesandnoble.com/s/%s?store=ebook&sze=%s' % (query, max_results)
-        
+
         br = browser()
-        
+
         counter = max_results
         with closing(br.open(url, timeout=timeout)) as f:
             doc = html.fromstring(f.read())
             for data in doc.xpath('//ul[contains(@class, "result-set")]/li[contains(@class, "result")]'):
                 if counter <= 0:
                     break
-                
+
                 id = ''.join(data.xpath('.//div[contains(@class, "image")]/a/@href'))
                 if not id:
                     continue
                 cover_url = ''.join(data.xpath('.//div[contains(@class, "image")]//img/@src'))
-                
+
                 title = ''.join(data.xpath('.//p[@class="title"]//span[@class="name"]/text()'))
                 author = ', '.join(data.xpath('.//ul[@class="contributors"]//li[position()>1]//a/text()'))
                 price = ''.join(data.xpath('.//table[@class="displayed-formats"]//a[@class="subtle"]/text()'))
-                
+
                 counter -= 1
-                
+
                 s = SearchResult()
                 s.cover_url = cover_url
                 s.title = title.strip()