diff --git a/c3l_membership/forms.py b/c3l_membership/forms.py
--- a/c3l_membership/forms.py
+++ b/c3l_membership/forms.py
@@ -1,12 +1,11 @@
 from datetime import date
 
-from flask_wtf import Form
-from wtforms import BooleanField, RadioField, StringField, SubmitField
-from wtforms.fields.html5 import DateField
-from wtforms.validators import Email, InputRequired, Length, Optional, Required
+from flask_wtf import FlaskForm
+from wtforms import BooleanField, DateField, RadioField, StringField, SubmitField
+from wtforms.validators import Email, InputRequired, Length, Optional
 
 
-class MembershipForm(Form):
+class MembershipForm(FlaskForm):
 
     username = StringField(
         "Username",
@@ -48,13 +47,6 @@ class MembershipForm(Form):
     payment = RadioField(
         "Payment Options",
         validators=[InputRequired("Please select one of the options!")],
-        choices=[
-            ("cash", "by cash"),
-            ("wire transfer", "by wire transfer"),
-            ("digicash", "by DigiCash"),
-            ("bitcoin", "by bitcoin"),
-            ("ethereum", "by ethereum"),
-        ],
     )
 
     birthday = DateField("Birthday")
@@ -96,5 +88,4 @@ class MembershipForm(Form):
             "I am under 18 years of age and have the approval of my legal representative."
         ),
     )
-
     submit = SubmitField("Become a member")