diff --git a/app/main/forms.py b/app/main/forms.py
index 6a7984023..cdceab1ed 100644
--- a/app/main/forms.py
+++ b/app/main/forms.py
@@ -12,7 +12,6 @@ from flask_wtf.file import FileField as FileField_wtf
 from flask_wtf.file import FileSize
 from notifications_utils.formatters import strip_all_whitespace
 from notifications_utils.insensitive_dict import InsensitiveDict
-from notifications_utils.postal_address import PostalAddress
 from notifications_utils.recipients import (
     InvalidPhoneError,
     normalise_phone_number,
@@ -583,12 +582,6 @@ class StripWhitespaceStringField(GovukTextInputField):
         self.param_extensions = param_extensions
 
 
-class PostalAddressField(TextAreaField):
-    def process_formdata(self, valuelist):
-        if valuelist:
-            self.data = PostalAddress(valuelist[0]).normalised
-
-
 class LoginForm(StripWhitespaceForm):
     email_address = GovukEmailField('Email address', validators=[
         Length(min=5, max=255),