1 files changed, 0 insertions, 66 deletions
diff --git a/rest_framework/compat.py b/rest_framework/compat.py
index 69fdd793..c5242343 100644
--- a/rest_framework/compat.py
+++ b/rest_framework/compat.py
@@ -207,72 +207,6 @@ except ImportError:
     apply_markdown = None
 
 
-# Yaml is optional
-try:
-    import yaml
-except ImportError:
-    yaml = None
-
-
-# XML is optional
-try:
-    import defusedxml.ElementTree as etree
-except ImportError:
-    etree = None
-
-
-# OAuth2 is optional
-try:
-    # Note: The `oauth2` package actually provides oauth1.0a support.  Urg.
-    import oauth2 as oauth
-except ImportError:
-    oauth = None
-
-
-# OAuthProvider is optional
-try:
-    import oauth_provider
-    from oauth_provider.store import store as oauth_provider_store
-
-    # check_nonce's calling signature in django-oauth-plus changes sometime
-    # between versions 2.0 and 2.2.1
-    def check_nonce(request, oauth_request, oauth_nonce, oauth_timestamp):
-        check_nonce_args = inspect.getargspec(oauth_provider_store.check_nonce).args
-        if 'timestamp' in check_nonce_args:
-            return oauth_provider_store.check_nonce(
-                request, oauth_request, oauth_nonce, oauth_timestamp
-            )
-        return oauth_provider_store.check_nonce(
-            request, oauth_request, oauth_nonce
-        )
-
-except (ImportError, ImproperlyConfigured):
-    oauth_provider = None
-    oauth_provider_store = None
-    check_nonce = None
-
-
-# OAuth 2 support is optional
-try:
-    import provider as oauth2_provider
-    from provider import scope as oauth2_provider_scope
-    from provider import constants as oauth2_constants
-
-    if oauth2_provider.__version__ in ('0.2.3', '0.2.4'):
-        # 0.2.3 and 0.2.4 are supported version that do not support
-        # timezone aware datetimes
-        import datetime
-
-        provider_now = datetime.datetime.now
-    else:
-        # Any other supported version does use timezone aware datetimes
-        from django.utils.timezone import now as provider_now
-except ImportError:
-    oauth2_provider = None
-    oauth2_provider_scope = None
-    oauth2_constants = None
-    provider_now = None
-
 # `separators` argument to `json.dumps()` differs between 2.x and 3.x
 # See: http://bugs.python.org/issue22767
 if six.PY3: