diff --git a/rest_framework/authentication.py b/rest_framework/authentication.py
index e491ce5f9..b0e88d88b 100644
--- a/rest_framework/authentication.py
+++ b/rest_framework/authentication.py
@@ -326,11 +326,11 @@ class OAuth2Authentication(BaseAuthentication):
         """
 
         try:
-            token = oauth2_provider.models.AccessToken.objects.select_related('user')
+            token = oauth2_provider.oauth2.models.AccessToken.objects.select_related('user')
             # provider_now switches to timezone aware datetime when
             # the oauth2_provider version supports to it.
             token = token.get(token=access_token, expires__gt=provider_now())
-        except oauth2_provider.models.AccessToken.DoesNotExist:
+        except oauth2_provider.oauth2.models.AccessToken.DoesNotExist:
             raise exceptions.AuthenticationFailed('Invalid token')
 
         user = token.user
diff --git a/rest_framework/compat.py b/rest_framework/compat.py
index 3089b7fbb..d155f5542 100644
--- a/rest_framework/compat.py
+++ b/rest_framework/compat.py
@@ -550,13 +550,10 @@ except (ImportError, ImproperlyConfigured):
 
 # OAuth 2 support is optional
 try:
-    import provider.oauth2 as oauth2_provider
-    from provider.oauth2 import models as oauth2_provider_models
-    from provider.oauth2 import forms as oauth2_provider_forms
+    import provider as oauth2_provider
     from provider import scope as oauth2_provider_scope
     from provider import constants as oauth2_constants
-    from provider import __version__ as provider_version
-    if provider_version in ('0.2.3', '0.2.4'):
+    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
@@ -566,8 +563,6 @@ try:
         from django.utils.timezone import now as provider_now
 except ImportError:
     oauth2_provider = None
-    oauth2_provider_models = None
-    oauth2_provider_forms = None
     oauth2_provider_scope = None
     oauth2_constants = None
     provider_now = None
diff --git a/rest_framework/tests/test_authentication.py b/rest_framework/tests/test_authentication.py
index f072b81b7..8caeb0812 100644
--- a/rest_framework/tests/test_authentication.py
+++ b/rest_framework/tests/test_authentication.py
@@ -19,7 +19,7 @@ from rest_framework.authentication import (
 )
 from rest_framework.authtoken.models import Token
 from rest_framework.compat import patterns, url, include
-from rest_framework.compat import oauth2_provider, oauth2_provider_models, oauth2_provider_scope
+from rest_framework.compat import oauth2_provider, oauth2_provider_scope
 from rest_framework.compat import oauth, oauth_provider
 from rest_framework.test import APIRequestFactory, APIClient
 from rest_framework.views import APIView
@@ -488,7 +488,7 @@ class OAuth2Tests(TestCase):
         self.ACCESS_TOKEN = "access_token"
         self.REFRESH_TOKEN = "refresh_token"
 
-        self.oauth2_client = oauth2_provider_models.Client.objects.create(
+        self.oauth2_client = oauth2_provider.oauth2.models.Client.objects.create(
                 client_id=self.CLIENT_ID,
                 client_secret=self.CLIENT_SECRET,
                 redirect_uri='',
@@ -497,12 +497,12 @@ class OAuth2Tests(TestCase):
                 user=None,
             )
 
-        self.access_token = oauth2_provider_models.AccessToken.objects.create(
+        self.access_token = oauth2_provider.oauth2.models.AccessToken.objects.create(
                 token=self.ACCESS_TOKEN,
                 client=self.oauth2_client,
                 user=self.user,
             )
-        self.refresh_token = oauth2_provider_models.RefreshToken.objects.create(
+        self.refresh_token = oauth2_provider.oauth2.models.RefreshToken.objects.create(
                 user=self.user,
                 access_token=self.access_token,
                 client=self.oauth2_client