diff --git a/packages/mongo/mongo_livedata_tests.js b/packages/mongo/mongo_livedata_tests.js
index 394226dad1..5180a8ea12 100644
--- a/packages/mongo/mongo_livedata_tests.js
+++ b/packages/mongo/mongo_livedata_tests.js
@@ -3229,18 +3229,6 @@ Meteor.isServer && testAsyncMulti("mongo-livedata - update with replace forbidde
   }
 ]);
 
-Meteor.isServer && Tinytest.add(
-  "mongo-livedata - connection failure throws",
-  function (test) {
-    test.throws(function () {
-      const connection = new MongoInternals.Connection('mongodb://this-does-not-exist.test/asdf');
-
-      // Same as `MongoInternals.defaultRemoteCollectionDriver`.
-      Promise.await(connection.client.connect());
-    });
-  }
-);
-
 Meteor.isServer && Tinytest.add("mongo-livedata - npm modules", function (test) {
   // Make sure the version number looks like a version number.
   test.matches(MongoInternals.NpmModules.mongodb.version, /^4\.(\d+)\.(\d+)/);
diff --git a/packages/mongo/oplog_tests.js b/packages/mongo/oplog_tests.js
index 6ef4ef681d..e327c2321e 100644
--- a/packages/mongo/oplog_tests.js
+++ b/packages/mongo/oplog_tests.js
@@ -163,19 +163,3 @@ process.env.MONGO_OPLOG_URL && testAsyncMulti(
     }
   ]
 );
-
-Tinytest.addAsync("mongo-livedata - oplog - _onFailover", async () => {
-  const driver = MongoInternals.defaultRemoteCollectionDriver();
-  const failoverPromise = new Promise(resolve => {
-    driver.mongo._onFailover(() => {
-      resolve();
-    });
-  });
-
-  await driver.mongo.db.admin().command({
-    replSetStepDown: 1,
-    force: true
-  });
-
-  return failoverPromise;
-});