diff --git a/oslo_middleware/http_proxy_to_wsgi.py b/oslo_middleware/http_proxy_to_wsgi.py
index 701e5c8..632f5ca 100644
--- a/oslo_middleware/http_proxy_to_wsgi.py
+++ b/oslo_middleware/http_proxy_to_wsgi.py
@@ -11,7 +11,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 # implied. See the License for the specific language governing permissions and
 # limitations under the License.
-from debtcollector import removals
 from oslo_config import cfg
 from oslo_middleware import base
 
@@ -92,8 +91,3 @@ class HTTPProxyToWSGI(base.ConfigurableMiddleware):
         v = req.environ.get("HTTP_X_FORWARDED_PREFIX")
         if v:
             req.environ['SCRIPT_NAME'] = v + req.environ['SCRIPT_NAME']
-
-
-@removals.remove
-class HTTPProxyToWSGIMiddleware(HTTPProxyToWSGI):
-    """Placeholder for backward compatibility"""
diff --git a/oslo_middleware/tests/test_http_proxy_to_wsgi.py b/oslo_middleware/tests/test_http_proxy_to_wsgi.py
index 7fe9a2a..d138021 100644
--- a/oslo_middleware/tests/test_http_proxy_to_wsgi.py
+++ b/oslo_middleware/tests/test_http_proxy_to_wsgi.py
@@ -39,8 +39,7 @@ class TestHTTPProxyToWSGI(test_base.BaseTestCase):
         def fake_app(req):
             return util.application_uri(req.environ)
 
-        self.middleware = http_proxy_to_wsgi.HTTPProxyToWSGIMiddleware(
-            fake_app)
+        self.middleware = http_proxy_to_wsgi.HTTPProxyToWSGI(fake_app)
         response = self.request.get_response(self.middleware)
         self.assertEqual(b"http://localhost:80/", response.body)
 
@@ -119,8 +118,7 @@ class TestHTTPProxyToWSGI(test_base.BaseTestCase):
         def fake_app(req):
             return req.environ['REMOTE_ADDR']
 
-        self.middleware = http_proxy_to_wsgi.HTTPProxyToWSGIMiddleware(
-            fake_app)
+        self.middleware = http_proxy_to_wsgi.HTTPProxyToWSGI(fake_app)
         forwarded_for_addr = '1.2.3.4'
         forwarded_addr = '8.8.8.8'