diff --git a/gnu/packages/patches/python-flask-restful-werkzeug-compat.patch b/gnu/packages/patches/python-flask-restful-werkzeug-compat.patch
deleted file mode 100644
index 0e928ef455..0000000000
--- a/gnu/packages/patches/python-flask-restful-werkzeug-compat.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-We need one patch on top of 0.3.8 for compatibility with Werkzeug 1.0.
-
-Taken from upstream:
-https://github.com/flask-restful/flask-restful/commit/73376a488907af3042b52678ac4c23f8a8911e5b
-
-diff --git a/tests/test_api.py b/tests/test_api.py
-index f7f8e661..6795d362 100644
---- a/tests/test_api.py
-+++ b/tests/test_api.py
-@@ -445,7 +445,9 @@ def test_handle_non_api_error(self):
- 
-         resp = app.get("/foo")
-         self.assertEquals(resp.status_code, 404)
--        self.assertEquals('text/html', resp.headers['Content-Type'])
-+        # in newer versions of werkzeug this is `text/html; charset=utf8`
-+        content_type, _, _ = resp.headers['Content-Type'].partition(';')
-+        self.assertEquals('text/html', content_type)
- 
-     def test_non_api_error_404_catchall(self):
-         app = Flask(__name__)
-diff --git a/tests/test_reqparse.py b/tests/test_reqparse.py
-index 2f1fbedf..9776f17c 100644
---- a/tests/test_reqparse.py
-+++ b/tests/test_reqparse.py
-@@ -2,9 +2,9 @@
- import unittest
- from mock import Mock, patch
- from flask import Flask
--from werkzeug import exceptions, MultiDict
-+from werkzeug import exceptions
- from werkzeug.wrappers import Request
--from werkzeug.datastructures import FileStorage
-+from werkzeug.datastructures import FileStorage, MultiDict
- from flask_restful.reqparse import Argument, RequestParser, Namespace
- import six
- import decimal