diff --git a/resources/resource_protocol/preferences.html b/resources/resource_protocol/preferences.html
index 5aa0a96aded..65ce6f73bba 100644
--- a/resources/resource_protocol/preferences.html
+++ b/resources/resource_protocol/preferences.html
@@ -52,7 +52,7 @@
       const prefs = {
           "experimental": [],
           "http-cache": ["network_http_cache_disabled"],
-          "more-experimental": ["dom_abort_controller_enabled", "dom_indexeddb_enabled"],
+          "more-experimental": ["dom_abort_controller_enabled"],
           "user-agent": ["user_agent"],
       };