diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py
index c952a5f83..7c41a88ff 100644
--- a/scrapy/linkextractors/lxmlhtml.py
+++ b/scrapy/linkextractors/lxmlhtml.py
@@ -65,9 +65,8 @@ class LxmlParserLinkExtractor(object):
                 if self.unique else links
 
     def extract_links(self, response):
-        html = Selector(response)
         base_url = get_base_url(response)
-        return self._extract_links(html, response.url, response.encoding, base_url)
+        return self._extract_links(response.selector, response.url, response.encoding, base_url)
 
     def _process_links(self, links):
         """ Normalize and filter extracted links
@@ -95,14 +94,13 @@ class LxmlLinkExtractor(FilteringLinkExtractor):
             canonicalize=canonicalize, deny_extensions=deny_extensions)
 
     def extract_links(self, response):
-        html = Selector(response)
         base_url = get_base_url(response)
         if self.restrict_xpaths:
             docs = [subdoc
                     for x in self.restrict_xpaths
-                    for subdoc in html.xpath(x)]
+                    for subdoc in response.xpath(x)]
         else:
-            docs = [html]
+            docs = [response.selector]
         all_links = []
         for doc in docs:
             links = self._extract_links(doc, response.url, response.encoding, base_url)
diff --git a/scrapy/linkextractors/sgml.py b/scrapy/linkextractors/sgml.py
index e4c2c274f..d045baa24 100644
--- a/scrapy/linkextractors/sgml.py
+++ b/scrapy/linkextractors/sgml.py
@@ -127,7 +127,7 @@ class SgmlLinkExtractor(FilteringLinkExtractor):
     def extract_links(self, response):
         base_url = None
         if self.restrict_xpaths:
-            sel = Selector(response)
+            sel = response.selector
             base_url = get_base_url(response)
             body = u''.join(f
                             for x in self.restrict_xpaths