diff --git a/django/utils/translation/__init__.py b/django/utils/translation/__init__.py
index b4586885c4..0ee630728a 100644
--- a/django/utils/translation/__init__.py
+++ b/django/utils/translation/__init__.py
@@ -2,10 +2,8 @@
 Internationalization support.
 """
 import re
-import warnings
 from contextlib import ContextDecorator
 
-from django.utils.deprecation import RemovedInDjango21Warning
 from django.utils.functional import lazy
 
 __all__ = [
@@ -216,21 +214,6 @@ def deactivate_all():
     return _trans.deactivate_all()
 
 
-def _string_concat(*strings):
-    """
-    Lazy variant of string concatenation, needed for translations that are
-    constructed from multiple parts.
-    """
-    warnings.warn(
-        'django.utils.translate.string_concat() is deprecated in '
-        'favor of django.utils.text.format_lazy().',
-        RemovedInDjango21Warning, stacklevel=2)
-    return ''.join(str(s) for s in strings)
-
-
-string_concat = lazy(_string_concat, str)
-
-
 def get_language_info(lang_code):
     from django.conf.locale import LANG_INFO
     try:
diff --git a/docs/ref/utils.txt b/docs/ref/utils.txt
index 55a733f376..c9fa10e0e5 100644
--- a/docs/ref/utils.txt
+++ b/docs/ref/utils.txt
@@ -1057,17 +1057,6 @@ functions without the ``u``.
 
     See :ref:`lazy translations documentation <lazy-translations>`.
 
-.. function:: string_concat(*strings)
-
-    .. deprecated:: 1.11
-
-        Use :meth:`django.utils.text.format_lazy` instead.
-        ``string_concat(*strings)`` can be replaced by
-        ``format_lazy('{}' * len(strings), *strings)``.
-
-    Lazy variant of string concatenation, needed for translations that are
-    constructed from multiple parts.
-
 .. function:: activate(language)
 
     Fetches the translation object for a given language and activates it as
diff --git a/docs/releases/2.1.txt b/docs/releases/2.1.txt
index 560eee4fd3..7f1330b756 100644
--- a/docs/releases/2.1.txt
+++ b/docs/releases/2.1.txt
@@ -234,3 +234,5 @@ how to remove usage of these features.
   is removed.
 
 * ``django.test.runner.setup_databases()`` is removed.
+
+* ``django.utils.translation.string_concat()`` is removed.
diff --git a/tests/i18n/tests.py b/tests/i18n/tests.py
index 449def5363..2cbf18f573 100644
--- a/tests/i18n/tests.py
+++ b/tests/i18n/tests.py
@@ -12,11 +12,9 @@ from django.conf import settings
 from django.conf.urls.i18n import i18n_patterns
 from django.template import Context, Template
 from django.test import (
-    RequestFactory, SimpleTestCase, TestCase, ignore_warnings,
-    override_settings,
+    RequestFactory, SimpleTestCase, TestCase, override_settings,
 )
 from django.utils import translation
-from django.utils.deprecation import RemovedInDjango21Warning
 from django.utils.formats import (
     date_format, get_format, get_format_modules, iter_format_modules, localize,
     localize_input, reset_format_cache, sanitize_separators, time_format,
@@ -27,8 +25,8 @@ from django.utils.translation import (
     LANGUAGE_SESSION_KEY, activate, check_for_language, deactivate,
     get_language, get_language_bidi, get_language_from_request,
     get_language_info, gettext, gettext_lazy, ngettext, ngettext_lazy,
-    npgettext, npgettext_lazy, pgettext, string_concat, to_locale, trans_real,
-    ugettext, ugettext_lazy, ungettext, ungettext_lazy,
+    npgettext, npgettext_lazy, pgettext, to_locale, trans_real, ugettext,
+    ugettext_lazy, ungettext, ungettext_lazy,
 )
 
 from .forms import CompanyForm, I18nForm, SelectDateForm
@@ -216,10 +214,6 @@ class TranslationTests(SimpleTestCase):
             self.assertEqual(pgettext("verb", "May"), "Kann")
             self.assertEqual(npgettext("search", "%d result", "%d results", 4) % 4, "4 Resultate")
 
-    @ignore_warnings(category=RemovedInDjango21Warning)
-    def test_string_concat(self):
-        self.assertEqual(str(string_concat('dja', 'ngo')), 'django')
-
     def test_empty_value(self):
         """Empty value must stay empty after being translated (#23196)."""
         with translation.override('de'):