diff --git a/django/contrib/auth/__init__.py b/django/contrib/auth/__init__.py
index 1ae323e9022..7b44fe2351c 100644
--- a/django/contrib/auth/__init__.py
+++ b/django/contrib/auth/__init__.py
@@ -108,8 +108,7 @@ def logout(request):
     user_logged_out.send(sender=user.__class__, request=request, user=user)
 
     # remember language choice saved to session
-    # for backwards compatibility django_language is also checked (remove in 1.8)
-    language = request.session.get(LANGUAGE_SESSION_KEY, request.session.get('django_language'))
+    language = request.session.get(LANGUAGE_SESSION_KEY)
 
     request.session.flush()
 
diff --git a/django/utils/translation/trans_real.py b/django/utils/translation/trans_real.py
index bf6ad7ee95b..939e0f540f0 100644
--- a/django/utils/translation/trans_real.py
+++ b/django/utils/translation/trans_real.py
@@ -479,8 +479,7 @@ def get_language_from_request(request, check_path=False):
             return lang_code
 
     if hasattr(request, 'session'):
-        # for backwards compatibility django_language is also checked (remove in 1.8)
-        lang_code = request.session.get(LANGUAGE_SESSION_KEY, request.session.get('django_language'))
+        lang_code = request.session.get(LANGUAGE_SESSION_KEY)
         if lang_code in _supported and lang_code is not None and check_for_language(lang_code):
             return lang_code