diff --git a/static/js/portico/integrations_dev_panel.js b/static/js/portico/integrations_dev_panel.js
index 06b15861ee..34934d9c77 100644
--- a/static/js/portico/integrations_dev_panel.js
+++ b/static/js/portico/integrations_dev_panel.js
@@ -223,8 +223,6 @@ function get_fixtures(integration_name) {
     // /devtools/integrations/<integration_name>/fixtures
     channel.get({
         url: "/devtools/integrations/" + integration_name + "/fixtures",
-        // Since the user may add or modify fixtures as they edit.
-        idempotent: false,
         success(response) {
             loaded_fixtures.set(integration_name, response.fixtures);
             load_fixture_options(integration_name);