diff --git a/django/forms/widgets.py b/django/forms/widgets.py
index 68abd3b7dcc..ab9794a1e78 100644
--- a/django/forms/widgets.py
+++ b/django/forms/widgets.py
@@ -753,20 +753,19 @@ class RendererMixin(object):
             self.renderer = renderer
         super(RendererMixin, self).__init__(*args, **kwargs)
 
-    def subwidgets(self, name, value, attrs=None, choices=()):
-        for widget in self.get_renderer(name, value, attrs, choices):
+    def subwidgets(self, name, value, attrs=None):
+        for widget in self.get_renderer(name, value, attrs):
             yield widget
 
-    def get_renderer(self, name, value, attrs=None, choices=()):
+    def get_renderer(self, name, value, attrs=None):
         """Returns an instance of the renderer."""
         if value is None:
             value = self._empty_value
         final_attrs = self.build_attrs(attrs)
-        choices = list(chain(self.choices, choices))
-        return self.renderer(name, value, final_attrs, choices)
+        return self.renderer(name, value, final_attrs, self.choices)
 
-    def render(self, name, value, attrs=None, choices=()):
-        return self.get_renderer(name, value, attrs, choices).render()
+    def render(self, name, value, attrs=None):
+        return self.get_renderer(name, value, attrs).render()
 
     def id_for_label(self, id_):
         # Widgets using this RendererMixin are made of a collection of
diff --git a/tests/forms_tests/tests/test_widgets.py b/tests/forms_tests/tests/test_widgets.py
index 8f84ddcb9bf..b7b228d30aa 100644
--- a/tests/forms_tests/tests/test_widgets.py
+++ b/tests/forms_tests/tests/test_widgets.py
@@ -23,8 +23,8 @@ class FormsWidgetTests(SimpleTestCase):
         # RadioSelect uses a RadioFieldRenderer to render the individual radio inputs.
         # You can manipulate that object directly to customize the way the RadioSelect
         # is rendered.
-        w = RadioSelect()
-        r = w.get_renderer('beatle', 'J', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo')))
+        w = RadioSelect(choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo')))
+        r = w.get_renderer('beatle', 'J')
         inp_set1 = []
         inp_set2 = []
         inp_set3 = []
@@ -62,8 +62,8 @@ beatle J G George False
 beatle J R Ringo False""")
 
         # A RadioFieldRenderer object also allows index access to individual RadioChoiceInput
-        w = RadioSelect()
-        r = w.get_renderer('beatle', 'J', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo')))
+        w = RadioSelect(choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo')))
+        r = w.get_renderer('beatle', 'J')
         self.assertHTMLEqual(str(r[1]), '<label><input type="radio" name="beatle" value="P" /> Paul</label>')
         self.assertHTMLEqual(
             str(r[0]),
@@ -86,9 +86,9 @@ beatle J R Ringo False""")
         class MyRenderer(RadioFieldRenderer):
             def render(self):
                 return '<br />\n'.join(six.text_type(choice) for choice in self)
-        w = RadioSelect(renderer=MyRenderer)
+        w = RadioSelect(choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo')), renderer=MyRenderer)
         self.assertHTMLEqual(
-            w.render('beatle', 'G', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))),
+            w.render('beatle', 'G'),
             """<label><input type="radio" name="beatle" value="J" /> John</label><br />
 <label><input type="radio" name="beatle" value="P" /> Paul</label><br />
 <label><input checked="checked" type="radio" name="beatle" value="G" /> George</label><br />
@@ -98,9 +98,9 @@ beatle J R Ringo False""")
         # Or you can use custom RadioSelect fields that use your custom renderer.
         class CustomRadioSelect(RadioSelect):
             renderer = MyRenderer
-        w = CustomRadioSelect()
+        w = CustomRadioSelect(choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo')))
         self.assertHTMLEqual(
-            w.render('beatle', 'G', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))),
+            w.render('beatle', 'G'),
             """<label><input type="radio" name="beatle" value="J" /> John</label><br />
 <label><input type="radio" name="beatle" value="P" /> Paul</label><br />
 <label><input checked="checked" type="radio" name="beatle" value="G" /> George</label><br />
@@ -112,10 +112,8 @@ beatle J R Ringo False""")
             # str is just to test some Python 2 issue with bytestrings
             outer_html = str('<div{id_attr}>{content}</div>')
             inner_html = '<p>{choice_value}{sub_widgets}</p>'
-        w = RadioSelect(renderer=MyRenderer)
-        output = w.render('beatle', 'J',
-                          choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo')),
-                          attrs={'id': 'bar'})
+        w = RadioSelect(choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo')), renderer=MyRenderer)
+        output = w.render('beatle', 'J', attrs={'id': 'bar'})
         self.assertIsInstance(output, SafeData)
         self.assertHTMLEqual(
             output,
@@ -128,17 +126,36 @@ beatle J R Ringo False""")
 
     def test_subwidget(self):
         # Each subwidget tag gets a separate ID when the widget has an ID specified
-        self.assertHTMLEqual("\n".join(c.tag() for c in CheckboxSelectMultiple(attrs={'id': 'abc'}).subwidgets('letters', list('ac'), choices=zip(list('abc'), list('ABC')))), """<input checked="checked" type="checkbox" name="letters" value="a" id="abc_0" />
+        self.assertHTMLEqual(
+            "\n".join(
+                c.tag() for c in CheckboxSelectMultiple(
+                    attrs={'id': 'abc'},
+                    choices=zip(list('abc'), list('ABC'))
+                ).subwidgets('letters', list('ac'))
+            ),
+            """<input checked="checked" type="checkbox" name="letters" value="a" id="abc_0" />
 <input type="checkbox" name="letters" value="b" id="abc_1" />
 <input checked="checked" type="checkbox" name="letters" value="c" id="abc_2" />""")
 
         # Each subwidget tag does not get an ID if the widget does not have an ID specified
-        self.assertHTMLEqual("\n".join(c.tag() for c in CheckboxSelectMultiple().subwidgets('letters', list('ac'), choices=zip(list('abc'), list('ABC')))), """<input checked="checked" type="checkbox" name="letters" value="a" />
+        self.assertHTMLEqual(
+            "\n".join(c.tag() for c in CheckboxSelectMultiple(
+                choices=zip(list('abc'), list('ABC')),
+            ).subwidgets('letters', list('ac'))),
+            """<input checked="checked" type="checkbox" name="letters" value="a" />
 <input type="checkbox" name="letters" value="b" />
 <input checked="checked" type="checkbox" name="letters" value="c" />""")
 
         # The id_for_label property of the subwidget should return the ID that is used on the subwidget's tag
-        self.assertHTMLEqual("\n".join('<input type="checkbox" name="letters" value="%s" id="%s" />' % (c.choice_value, c.id_for_label) for c in CheckboxSelectMultiple(attrs={'id': 'abc'}).subwidgets('letters', [], choices=zip(list('abc'), list('ABC')))), """<input type="checkbox" name="letters" value="a" id="abc_0" />
+        self.assertHTMLEqual(
+            "\n".join(
+                '<input type="checkbox" name="letters" value="%s" id="%s" />'
+                % (c.choice_value, c.id_for_label) for c in CheckboxSelectMultiple(
+                    attrs={'id': 'abc'},
+                    choices=zip(list('abc'), list('ABC')),
+                ).subwidgets('letters', [])
+            ),
+            """<input type="checkbox" name="letters" value="a" id="abc_0" />
 <input type="checkbox" name="letters" value="b" id="abc_1" />
 <input type="checkbox" name="letters" value="c" id="abc_2" />""")
 
diff --git a/tests/forms_tests/widget_tests/test_checkboxselectmultiple.py b/tests/forms_tests/widget_tests/test_checkboxselectmultiple.py
index 9e594fba37c..1e9d31e6a7a 100644
--- a/tests/forms_tests/widget_tests/test_checkboxselectmultiple.py
+++ b/tests/forms_tests/widget_tests/test_checkboxselectmultiple.py
@@ -4,10 +4,10 @@ from .base import WidgetTest
 
 
 class CheckboxSelectMultipleTest(WidgetTest):
-    widget = CheckboxSelectMultiple()
+    widget = CheckboxSelectMultiple
 
     def test_render_value(self):
-        self.check_html(self.widget, 'beatles', ['J'], choices=self.beatles, html=(
+        self.check_html(self.widget(choices=self.beatles), 'beatles', ['J'], html=(
             """<ul>
             <li><label><input checked="checked" type="checkbox" name="beatles" value="J" /> John</label></li>
             <li><label><input type="checkbox" name="beatles" value="P" /> Paul</label></li>
@@ -17,7 +17,7 @@ class CheckboxSelectMultipleTest(WidgetTest):
         ))
 
     def test_render_value_multiple(self):
-        self.check_html(self.widget, 'beatles', ['J', 'P'], choices=self.beatles, html=(
+        self.check_html(self.widget(choices=self.beatles), 'beatles', ['J', 'P'], html=(
             """<ul>
             <li><label><input checked="checked" type="checkbox" name="beatles" value="J" /> John</label></li>
             <li><label><input checked="checked" type="checkbox" name="beatles" value="P" /> Paul</label></li>
@@ -30,7 +30,7 @@ class CheckboxSelectMultipleTest(WidgetTest):
         """
         If the value is None, none of the options are selected.
         """
-        self.check_html(self.widget, 'beatles', None, choices=self.beatles, html=(
+        self.check_html(self.widget(choices=self.beatles), 'beatles', None, html=(
             """<ul>
             <li><label><input type="checkbox" name="beatles" value="J" /> John</label></li>
             <li><label><input type="checkbox" name="beatles" value="P" /> Paul</label></li>
@@ -73,8 +73,8 @@ class CheckboxSelectMultipleTest(WidgetTest):
         </ul>
         """
         self.check_html(
-            self.widget, 'nestchoice', ('vinyl', 'dvd'),
-            choices=nested_choices, attrs={'id': 'media'}, html=html,
+            self.widget(choices=nested_choices), 'nestchoice', ('vinyl', 'dvd'),
+            attrs={'id': 'media'}, html=html,
         )
 
     def test_separate_ids(self):
@@ -93,14 +93,13 @@ class CheckboxSelectMultipleTest(WidgetTest):
         </li>
         </ul>
         """
-        self.check_html(self.widget, 'letters', ['a', 'c'], choices=choices, attrs={'id': 'abc'}, html=html)
+        self.check_html(self.widget(choices=choices), 'letters', ['a', 'c'], attrs={'id': 'abc'}, html=html)
 
     def test_separate_ids_constructor(self):
         """
         Each input gets a separate ID when the ID is passed to the constructor.
         """
-        widget = CheckboxSelectMultiple(attrs={'id': 'abc'})
-        choices = [('a', 'A'), ('b', 'B'), ('c', 'C')]
+        widget = CheckboxSelectMultiple(attrs={'id': 'abc'}, choices=[('a', 'A'), ('b', 'B'), ('c', 'C')])
         html = """
         <ul id="abc">
         <li>
@@ -112,4 +111,4 @@ class CheckboxSelectMultipleTest(WidgetTest):
         </li>
         </ul>
         """
-        self.check_html(widget, 'letters', ['a', 'c'], choices=choices, html=html)
+        self.check_html(widget, 'letters', ['a', 'c'], html=html)
diff --git a/tests/forms_tests/widget_tests/test_radioselect.py b/tests/forms_tests/widget_tests/test_radioselect.py
index e37dcf77253..cdb9420b158 100644
--- a/tests/forms_tests/widget_tests/test_radioselect.py
+++ b/tests/forms_tests/widget_tests/test_radioselect.py
@@ -4,10 +4,10 @@ from .base import WidgetTest
 
 
 class RadioSelectTest(WidgetTest):
-    widget = RadioSelect()
+    widget = RadioSelect
 
     def test_render(self):
-        self.check_html(self.widget, 'beatle', 'J', choices=self.beatles, html=(
+        self.check_html(self.widget(choices=self.beatles), 'beatle', 'J', html=(
             """<ul>
             <li><label><input checked="checked" type="radio" name="beatle" value="J" /> John</label></li>
             <li><label><input type="radio" name="beatle" value="P" /> Paul</label></li>
@@ -44,7 +44,7 @@ class RadioSelectTest(WidgetTest):
         </ul>
         """
         self.check_html(
-            self.widget, 'nestchoice', 'dvd', choices=nested_choices,
+            self.widget(choices=nested_choices), 'nestchoice', 'dvd',
             attrs={'id': 'media'}, html=html,
         )
 
@@ -53,7 +53,7 @@ class RadioSelectTest(WidgetTest):
         Attributes provided at instantiation are passed to the constituent
         inputs.
         """
-        widget = RadioSelect(attrs={'id': 'foo'})
+        widget = RadioSelect(attrs={'id': 'foo'}, choices=self.beatles)
         html = """
         <ul id="foo">
         <li>
@@ -64,7 +64,7 @@ class RadioSelectTest(WidgetTest):
         <li><label for="foo_3"><input type="radio" id="foo_3" value="R" name="beatle" /> Ringo</label></li>
         </ul>
         """
-        self.check_html(widget, 'beatle', 'J', choices=self.beatles, html=html)
+        self.check_html(widget, 'beatle', 'J', html=html)
 
     def test_render_attrs(self):
         """
@@ -81,4 +81,4 @@ class RadioSelectTest(WidgetTest):
         <li><label for="bar_3"><input type="radio" id="bar_3" value="R" name="beatle" /> Ringo</label></li>
         </ul>
         """
-        self.check_html(self.widget, 'beatle', 'J', choices=self.beatles, attrs={'id': 'bar'}, html=html)
+        self.check_html(self.widget(choices=self.beatles), 'beatle', 'J', attrs={'id': 'bar'}, html=html)