diff --git a/django_forms_as_jsonschema/jsonschema.py b/django_forms_as_jsonschema/jsonschema.py
index 20e583d8eb438cf13df8e04c23d41767df0461f7..a76a9be2e70e410adc00e42656ff3a22fbad5db7 100644
--- a/django_forms_as_jsonschema/jsonschema.py
+++ b/django_forms_as_jsonschema/jsonschema.py
@@ -1,6 +1,3 @@
-import copy
-import json
-
 from django import forms
 
 
@@ -69,9 +66,6 @@ class JSONSchema:
     #     }
     # }
 
-    def build(self):
-        return json.dumps(self.schema)
-
     def add_field(self, name, field):
         type_ = "string"
         format_ = None