diff --git a/frontend_tests/node_tests/stream_data.js b/frontend_tests/node_tests/stream_data.js
index 9034daf5fd..46c80c89d6 100644
--- a/frontend_tests/node_tests/stream_data.js
+++ b/frontend_tests/node_tests/stream_data.js
@@ -101,9 +101,9 @@ run_test('basics', () => {
     assert.equal(stream_data.maybe_get_stream_name(42), undefined);
 
     stream_data.set_realm_default_streams([denmark]);
-    assert(stream_data.get_default_status('Denmark'));
-    assert(!stream_data.get_default_status('social'));
-    assert(!stream_data.get_default_status('UNKNOWN'));
+    assert(stream_data.is_default_stream_id(denmark.stream_id));
+    assert(!stream_data.is_default_stream_id(social.stream_id));
+    assert(!stream_data.is_default_stream_id(999999));
 });
 
 run_test('renames', () => {
@@ -745,7 +745,7 @@ run_test('remove_default_stream', () => {
     stream_data.add_sub(remove_me);
     stream_data.set_realm_default_streams([remove_me]);
     stream_data.remove_default_stream(remove_me.stream_id);
-    assert(!stream_data.get_default_status('remove_me'));
+    assert(!stream_data.is_default_stream_id(remove_me.stream_id));
     assert.equal(page_params.realm_default_streams.length, 0);
 });
 
diff --git a/static/js/stream_data.js b/static/js/stream_data.js
index bf6577a313..90c32c00aa 100644
--- a/static/js/stream_data.js
+++ b/static/js/stream_data.js
@@ -338,7 +338,7 @@ exports.get_invite_stream_data = function () {
             name: sub.name,
             stream_id: sub.stream_id,
             invite_only: sub.invite_only,
-            default_stream: exports.get_default_status(sub.name),
+            default_stream: default_stream_ids.has(sub.stream_id),
         };
     };
     const invite_stream_data = exports.subscribed_subs().map(filter_stream_data);
@@ -598,16 +598,6 @@ exports.get_default_stream_ids = function () {
     return Array.from(default_stream_ids);
 };
 
-exports.get_default_status = function (stream_name) {
-    const stream_id = exports.get_stream_id(stream_name);
-
-    if (!stream_id) {
-        return false;
-    }
-
-    return default_stream_ids.has(stream_id);
-};
-
 exports.is_default_stream_id = function (stream_id) {
     return default_stream_ids.has(stream_id);
 };