diff --git a/django/contrib/auth/tests/__init__.py b/django/contrib/auth/tests/__init__.py
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/django/contrib/auth/tests/utils.py b/django/contrib/auth/tests/utils.py
deleted file mode 100644
index 035b3a5f42..0000000000
--- a/django/contrib/auth/tests/utils.py
+++ /dev/null
@@ -1,16 +0,0 @@
-import warnings
-from unittest import skipIf
-
-from django.conf import settings
-from django.utils.deprecation import RemovedInDjango20Warning
-
-
-def skipIfCustomUser(test_func):
-    """
-    Skip a test if a custom user model is in use.
-    """
-    warnings.warn(
-        "django.contrib.auth.tests.utils.skipIfCustomUser is deprecated.",
-        RemovedInDjango20Warning, stacklevel=2)
-
-    return skipIf(settings.AUTH_USER_MODEL != 'auth.User', 'Custom user model in use')(test_func)
diff --git a/docs/releases/2.0.txt b/docs/releases/2.0.txt
index 0982218b92..c87faba783 100644
--- a/docs/releases/2.0.txt
+++ b/docs/releases/2.0.txt
@@ -259,3 +259,5 @@ these features.
   zones no longer convert aware datetimes to naive values in UTC anymore when
   such values are passed as parameters to SQL queries executed outside of the
   ORM, e.g. with ``cursor.execute()``.
+
+* ``django.contrib.auth.tests.utils.skipIfCustomUser()`` is removed.