diff --git a/setup.py b/setup.py
index 8a11eb9..e8d6705 100644
--- a/setup.py
+++ b/setup.py
@@ -64,7 +64,6 @@ def get_version():
     platforms='any',
     install_requires=[
         'WTForms>=1.0.5',
-        'six>=1.3.0'
     ],
     extras_require=extras_require,
     cmdclass={'test': PyTest},
@@ -75,8 +74,6 @@ def get_version():
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
diff --git a/tests/test_field_type_coercion.py b/tests/test_field_type_coercion.py
index 3223f40..17dc0c6 100644
--- a/tests/test_field_type_coercion.py
+++ b/tests/test_field_type_coercion.py
@@ -1,4 +1,4 @@
-import six  # noqa
+PY3 = True
 from pytest import mark
 from wtforms import Form, IntegerField, SelectMultipleField, StringField
 try:
@@ -47,7 +47,7 @@ class FooForm(Form):
     )
 
 
-@mark.skipif('sa is None or six.PY3 or not HAS_SQLALCHEMY_SUPPORT')
+@mark.skipif('sa is None or PY3 or not HAS_SQLALCHEMY_SUPPORT')
 class TestQuerySelectField(object):
     def setup_method(self, method):
         self.Base = declarative_base()
diff --git a/wtforms_json/__init__.py b/wtforms_json/__init__.py
index ec86397..a27be5e 100644
--- a/wtforms_json/__init__.py
+++ b/wtforms_json/__init__.py
@@ -3,7 +3,6 @@
 except:
     from collections import Mapping, MutableMapping
 
-import six
 from wtforms import Form
 try:
     from wtforms_sqlalchemy.fields import (
@@ -148,7 +147,7 @@ def is_optional(field):
     def is_required(field):
         return DataRequired in [v.__class__ for v in field.validators]
 
-    for name, f in six.iteritems(self._fields):
+    for name, f in self._fields.items():
         if f.is_missing:
             if is_optional(f):
                 continue
@@ -206,7 +205,7 @@ def process(self, formdata, data=_unset_value, **kwargs):
                 except TypeError:
                     self.data = self.default
             else:
-                self.data = six.text_type(self.data)
+                self.data = str(self.data)
 
     return process
 
@@ -267,7 +266,7 @@ def field_list_is_missing(self):
 
 def monkey_patch_process_formdata(func):
     def process_formdata(self, valuelist):
-        valuelist = list(map(six.text_type, valuelist))
+        valuelist = list(map(str, valuelist))
 
         return func(self, valuelist)
     return process_formdata