diff --git a/packages/google-cloud-resource-manager/google/cloud/resource_manager/__init__.py b/packages/google-cloud-resource-manager/google/cloud/resource_manager/__init__.py
index 9b172f4f3223..65a45126b52b 100644
--- a/packages/google-cloud-resource-manager/google/cloud/resource_manager/__init__.py
+++ b/packages/google-cloud-resource-manager/google/cloud/resource_manager/__init__.py
@@ -16,7 +16,6 @@
 
 
 from google.cloud.resource_manager.client import Client
-from google.cloud.resource_manager.connection import Connection
 from google.cloud.resource_manager.project import Project
 
 
diff --git a/packages/google-cloud-resource-manager/google/cloud/resource_manager/connection.py b/packages/google-cloud-resource-manager/google/cloud/resource_manager/_http.py
similarity index 100%
rename from packages/google-cloud-resource-manager/google/cloud/resource_manager/connection.py
rename to packages/google-cloud-resource-manager/google/cloud/resource_manager/_http.py
diff --git a/packages/google-cloud-resource-manager/google/cloud/resource_manager/client.py b/packages/google-cloud-resource-manager/google/cloud/resource_manager/client.py
index e1258ea1af70..83623d4f6629 100644
--- a/packages/google-cloud-resource-manager/google/cloud/resource_manager/client.py
+++ b/packages/google-cloud-resource-manager/google/cloud/resource_manager/client.py
@@ -17,7 +17,8 @@
 
 from google.cloud.client import Client as BaseClient
 from google.cloud.iterator import HTTPIterator
-from google.cloud.resource_manager.connection import Connection
+
+from google.cloud.resource_manager._http import Connection
 from google.cloud.resource_manager.project import Project
 
 
diff --git a/packages/google-cloud-resource-manager/unit_tests/test_connection.py b/packages/google-cloud-resource-manager/unit_tests/test__http.py
similarity index 95%
rename from packages/google-cloud-resource-manager/unit_tests/test_connection.py
rename to packages/google-cloud-resource-manager/unit_tests/test__http.py
index 59747cd0541b..f9204492eeac 100644
--- a/packages/google-cloud-resource-manager/unit_tests/test_connection.py
+++ b/packages/google-cloud-resource-manager/unit_tests/test__http.py
@@ -19,7 +19,7 @@ class TestConnection(unittest.TestCase):
 
     @staticmethod
     def _get_target_class():
-        from google.cloud.resource_manager.connection import Connection
+        from google.cloud.resource_manager._http import Connection
 
         return Connection
 
diff --git a/packages/google-cloud-resource-manager/unit_tests/test_client.py b/packages/google-cloud-resource-manager/unit_tests/test_client.py
index 4425e76c5f9f..0b9535cf34b8 100644
--- a/packages/google-cloud-resource-manager/unit_tests/test_client.py
+++ b/packages/google-cloud-resource-manager/unit_tests/test_client.py
@@ -35,7 +35,7 @@ def _make_one(self, *args, **kw):
         return self._get_target_class()(*args, **kw)
 
     def test_constructor(self):
-        from google.cloud.resource_manager.connection import Connection
+        from google.cloud.resource_manager._http import Connection
 
         http = object()
         credentials = _make_credentials()