diff --git a/Tools/ChangeLog b/Tools/ChangeLog
index ace151c..b9f775d 100644
--- a/Tools/ChangeLog
+++ b/Tools/ChangeLog
@@ -1,5 +1,18 @@
 2019-12-04  Jonathan Bedard  <jbedard@apple.com>
 
+        results.webkit.org: Decrease ttl for archives
+        https://bugs.webkit.org/show_bug.cgi?id=204806
+        <rdar://problem/57527644>
+
+        Unreviewed infrastructure fix.
+
+        * resultsdbpy/resultsdbpy/controller/archive_controller_unittest.py:
+        (ArchiveControllerUnittest.setup_webserver): Disable time-to-live.
+        * resultsdbpy/resultsdbpy/model/mock_model_factory.py:
+        (MockModelFactory.create): Ensure time-to-live is longer than the oldest commit.
+
+2019-12-04  Jonathan Bedard  <jbedard@apple.com>
+
         results.webkit.org: Handle duplicate archives
         https://bugs.webkit.org/show_bug.cgi?id=204860
 
diff --git a/Tools/resultsdbpy/resultsdbpy/controller/archive_controller_unittest.py b/Tools/resultsdbpy/resultsdbpy/controller/archive_controller_unittest.py
index ba209b9..a4dd876 100644
--- a/Tools/resultsdbpy/resultsdbpy/controller/archive_controller_unittest.py
+++ b/Tools/resultsdbpy/resultsdbpy/controller/archive_controller_unittest.py
@@ -53,7 +53,13 @@
         cassandra.drop_keyspace(keyspace=cls.KEYSPACE)
         cassandra_instance = cassandra(keyspace=cls.KEYSPACE, create_keyspace=True)
 
-        app.register_blueprint(APIRoutes(Model(redis=redis_instance, cassandra=cassandra_instance, repositories=[safari, webkit])))
+        app.register_blueprint(APIRoutes(Model(
+            redis=redis_instance,
+            cassandra=cassandra_instance,
+            repositories=[safari, webkit],
+            default_ttl_seconds=None,
+            archive_ttl_seconds=None,
+        )))
 
     @classmethod
     def upload_file(cls, client, url, meta_data, content):
diff --git a/Tools/resultsdbpy/resultsdbpy/model/mock_model_factory.py b/Tools/resultsdbpy/resultsdbpy/model/mock_model_factory.py
index 0689754..126bbe7 100644
--- a/Tools/resultsdbpy/resultsdbpy/model/mock_model_factory.py
+++ b/Tools/resultsdbpy/resultsdbpy/model/mock_model_factory.py
@@ -75,6 +75,7 @@
                 MockSVNRepository.webkit(redis=redis),
             ],
             default_ttl_seconds=time.time() - oldest_commit + Model.TTL_WEEK,
+            archive_ttl_seconds=time.time() - oldest_commit + Model.TTL_WEEK,
             async_processing=async_processing,
         )
         with model.commit_context, model.commit_context.cassandra.batch_query_context():