diff --git a/recipes/alejakomiksu_com.recipe b/recipes/alejakomiksu_com.recipe
index 34cdede724..e03ee25db9 100644
--- a/recipes/alejakomiksu_com.recipe
+++ b/recipes/alejakomiksu_com.recipe
@@ -10,8 +10,6 @@ class AlejaKomiksu(BasicNewsRecipe):
     category = 'comics'
     language = 'pl'
     extra_css = 'ul {list-style-type: none;} .gfx_news {float: right;}'
-    preprocess_regexps = [(re.compile(ur'((<li class="no_img_b">(Do poczytania)|(Nowości):</li>)|(<p class="head2">Komentarze</p>)).*</body>',
-                                      re.DOTALL | re.IGNORECASE), lambda match: '</body>')]
     cover_url = 'http://www.alejakomiksu.com/gfx/build/logo.png'
     masthead_url = 'http://www.alejakomiksu.com/gfx/build/logo.png'
     use_embedded_content = False
@@ -23,7 +21,7 @@ class AlejaKomiksu(BasicNewsRecipe):
     remove_attributes = ['style', 'font']
     ignore_duplicate_articles = {'title', 'url'}
 
-    keep_only_tags = [dict(attrs={'class': 'cont_tresc'})]
+    keep_only_tags = dict(attrs={'class': ['akNews__header','akNews__body']})
 
     feeds = [(u'Wiadomości', 'http://www.alejakomiksu.com/rss.php5')]
 
diff --git a/recipes/astroflesz.recipe b/recipes/astroflesz.recipe
deleted file mode 100644
index d44aa994e5..0000000000
--- a/recipes/astroflesz.recipe
+++ /dev/null
@@ -1,30 +0,0 @@
-# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:fdm=marker:ai
-from calibre.web.feeds.news import BasicNewsRecipe
-
-
-class Astroflesz(BasicNewsRecipe):
-    title = u'Astroflesz'
-    oldest_article = 7
-    __author__ = 'fenuks'
-    description = u'astroflesz.pl - to portal poświęcony astronomii. Informuje zarówno o aktualnych wydarzeniach i odkryciach naukowych, jak również zapowiada ciekawe zjawiska astronomiczne'  # noqa
-    category = 'astronomy'
-    language = 'pl'
-    cover_url = 'http://www.astroflesz.pl/templates/astroflesz/images/logo/logo.png'
-    ignore_duplicate_articles = {'title', 'url'}
-    max_articles_per_feed = 100
-    no_stylesheets = True
-    use_embedded_content = False
-    remove_empty_feeds = True
-    remove_attributes = ['style']
-    keep_only_tags = [dict(id="k2Container")]
-    remove_tags_after = dict(name='div', attrs={'class': 'itemLinks'})
-    remove_tags = [dict(name='div', attrs={
-                        'class': ['itemLinks', 'itemToolbar', 'itemRatingBlock']})]
-    feeds = [(u'Wszystkie', u'http://astroflesz.pl/?format=feed')]
-
-    def postprocess_html(self, soup, first_fetch):
-        t = soup.find(attrs={'class': 'itemIntroText'})
-        if t:
-            for i in t.findAll('img'):
-                i['style'] = 'float: left; margin-right: 5px;'
-        return soup
diff --git a/recipes/biolog_pl.recipe b/recipes/biolog_pl.recipe
deleted file mode 100644
index ae231d89a2..0000000000
--- a/recipes/biolog_pl.recipe
+++ /dev/null
@@ -1,31 +0,0 @@
-# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-
-from calibre.web.feeds.news import BasicNewsRecipe
-
-
-class Biolog_pl(BasicNewsRecipe):
-    title = u'Biolog.pl'
-    oldest_article = 7
-    max_articles_per_feed = 100
-    remove_empty_feeds = True
-    __author__ = 'fenuks'
-    description = u'Przyrodnicze aktualności ze świata nauki (codziennie aktualizowane), kurs biologii, testy i sprawdziany, forum dyskusyjne.'
-    category = 'biology'
-    language = 'pl'
-    masthead_url = 'http://www.biolog.pl/naukowy,portal,biolog.png'
-    cover_url = 'http://www.biolog.pl/naukowy,portal,biolog.png'
-    no_stylesheets = True
-    ignore_duplicate_articles = {'title', 'url'}
-    # keeps_only_tags=[dict(id='main')]
-    remove_tags_before = dict(id='main')
-    remove_tags_after = dict(name='a', attrs={'name': 'komentarze'})
-    remove_tags = [dict(name='img', attrs={'alt': 'Komentarze'}), dict(
-        name='span', attrs={'class': 'menu_odsylacze'})]
-    feeds = [
-        (u'Wszystkie', u'http://www.biolog.pl/backend.php'),
-        (u'Medycyna', u'http://www.biolog.pl/medycyna-rss.php'),
-        (u'Ekologia', u'http://www.biolog.pl/rss-ekologia.php'),
-        (u'Genetyka i biotechnologia', u'http://www.biolog.pl/rss-biotechnologia.php'),
-        (u'Botanika', u'http://www.biolog.pl/rss-botanika.php'),
-        (u'Le\u015bnictwo', u'http://www.biolog.pl/rss-lesnictwo.php'),
-        (u'Zoologia', u'http://www.biolog.pl/rss-zoologia.php')]
diff --git a/recipes/icons/astroflesz.png b/recipes/icons/astroflesz.png
deleted file mode 100644
index 2a0f5c2d87..0000000000
Binary files a/recipes/icons/astroflesz.png and /dev/null differ
diff --git a/recipes/icons/biolog_pl.png b/recipes/icons/biolog_pl.png
deleted file mode 100644
index 9fd50301e6..0000000000
Binary files a/recipes/icons/biolog_pl.png and /dev/null differ
diff --git a/recipes/icons/websecurity_pl.png b/recipes/icons/websecurity_pl.png
deleted file mode 100644
index 6db9045f33..0000000000
Binary files a/recipes/icons/websecurity_pl.png and /dev/null differ
diff --git a/recipes/websecurity_pl.recipe b/recipes/websecurity_pl.recipe
deleted file mode 100644
index 9a404260b6..0000000000
--- a/recipes/websecurity_pl.recipe
+++ /dev/null
@@ -1,27 +0,0 @@
-__license__ = 'GPL v3'
-from calibre.web.feeds.news import BasicNewsRecipe
-
-
-class WebSecurity(BasicNewsRecipe):
-    title = u'WebSecurity'
-    __author__ = 'fenuks'
-    description = u'WebSecurity.pl to największy w Polsce portal o bezpieczeństwie sieciowym.'
-    category = ''
-    language = 'pl'
-    cover_url = 'http://websecurity.pl/images/websecurity-logo.png'
-    masthead_url = ''
-    use_embedded_content = False
-    oldest_article = 7
-    max_articles_per_feed = 100
-    no_stylesheets = True
-    remove_empty_feeds = True
-    remove_javascript = True
-    remove_attributes = ['style', 'font']
-    ignore_duplicate_articles = {'title', 'url'}
-
-    keep_only_tags = [
-        dict(attrs={'class': 'article single'}), dict(id='content')]
-    remove_tags = [dict(attrs={'class': ['sociable', 'no-comments']})]
-    remove_tags_after = dict(attrs={'class': 'sociable'})
-    feeds = [(u'Wszystkie', u'http://websecurity.pl/feed/'), (u'Aktualno\u015bci', u'http://websecurity.pl/aktualnosci/feed/'),
-             (u'Artyku\u0142y', u'http://websecurity.pl/artykuly/feed/'), (u'Blogosfera', u'http://websecurity.pl/blogosfera/wpisy/feed/')]
diff --git a/recipes/znadplanszy_pl.recipe b/recipes/znadplanszy_pl.recipe
index 7e20596824..7d28e62a0e 100644
--- a/recipes/znadplanszy_pl.recipe
+++ b/recipes/znadplanszy_pl.recipe
@@ -17,7 +17,5 @@ class ZnadPlanszy(BasicNewsRecipe):
     remove_attributes = ['style', 'font']
     ignore_duplicate_articles = {'title', 'url'}
 
-    remove_tags = [dict(attrs={'class': 'rounded-container'})]
-    remove_tags_after = dict(attrs={'id': 'dotEPUBcontent'})
-    remove_tags_before = dict(attrs={'class': 'content units nine alpha'})
+    keep_only_tags = dict(name='article')
     feeds = [(u'Wszystkie', 'http://znadplanszy.pl/full-feed/posts/')]