diff --git a/rest_framework/templatetags/rest_framework.py b/rest_framework/templatetags/rest_framework.py
index dba8153b1..4ca77eaa8 100644
--- a/rest_framework/templatetags/rest_framework.py
+++ b/rest_framework/templatetags/rest_framework.py
@@ -263,64 +263,9 @@ def data(value):
 
 
 @register.filter
-def schema_links(section, sec_key=None):
-    """
-    Recursively find every link in a schema, even nested.
-    """
-    NESTED_FORMAT = '%s > %s'  # this format is used in docs/js/api.js:normalizeKeys
-    links = section.links
-    if section.data:
-        data = section.data.items()
-        for sub_section_key, sub_section in data:
-            new_links = schema_links(sub_section, sec_key=sub_section_key)
-            links.update(new_links)
-
-    if sec_key is not None:
-        new_links = {}
-        for link_key, link in links.items():
-            new_key = NESTED_FORMAT % (sec_key, link_key)
-            new_links.update({new_key: link})
-        return new_links
-
-    return links
-
-
-@register.filter
-def add_nested_class(value):
-    if isinstance(value, dict):
-        return 'class=nested'
-    if isinstance(value, list) and any(isinstance(item, (list, dict)) for item in value):
-        return 'class=nested'
-    return ''
-
-
-# Bunch of stuff cloned from urlize
-TRAILING_PUNCTUATION = ['.', ',', ':', ';', '.)', '"', "']", "'}", "'"]
-WRAPPING_PUNCTUATION = [('(', ')'), ('<', '>'), ('[', ']'), ('&lt;', '&gt;'),
-                        ('"', '"'), ("'", "'")]
-word_split_re = re.compile(r'(\s+)')
-simple_url_re = re.compile(r'^https?://\[?\w', re.IGNORECASE)
-simple_url_2_re = re.compile(r'^www\.|^(?!http)\w[^@]+\.(com|edu|gov|int|mil|net|org)$', re.IGNORECASE)
-simple_email_re = re.compile(r'^\S+@\S+\.\S+$')
-
-
-def smart_urlquote_wrapper(matched_url):
-    """
-    Simple wrapper for smart_urlquote. ValueError("Invalid IPv6 URL") can
-    be raised here, see issue #1386
-    """
-    try:
-        return smart_urlquote(matched_url)
-    except ValueError:
-        return None
-
-
-@register.filter
-def break_long_headers(header):
-    """
-    Breaks headers longer than 160 characters (~page length)
-    when possible (are comma separated)
-    """
-    if len(header) > 160 and ',' in header:
-        header = mark_safe('<br> ' + ', <br>'.join(escape(header).split(',')))
-    return header
+def schema_links(section, sec_type):
+    return [
+        (key, link)
+        for key, link in section.data.items()
+        if link.action == sec_type
+    ]