diff --git a/moli-renderer-v8/src/context_bootstrap/webrtc/events.rs b/moli-renderer-v8/src/context_bootstrap/webrtc/events.rs
index c239d7fcb4..23b2d54df6 100644
--- a/moli-renderer-v8/src/context_bootstrap/webrtc/events.rs
+++ b/moli-renderer-v8/src/context_bootstrap/webrtc/events.rs
@@ -1,5 +1,5 @@
-use crate::web_api_interfaces;
 use super::{ice_candidate::ice_candidate_receiver_branded, rtc_data_channel_receiver_branded};
+use crate::web_api_interfaces;
 use crate::{
     context_bootstrap::events::{initialize_event_object_with_type, parse_event_init},
     util::{
diff --git a/moli-renderer-v8/src/native_bridge/element/forms/input/files.rs b/moli-renderer-v8/src/native_bridge/element/forms/input/files.rs
index 9c2f9f19b3..990a91d7c1 100644
--- a/moli-renderer-v8/src/native_bridge/element/forms/input/files.rs
+++ b/moli-renderer-v8/src/native_bridge/element/forms/input/files.rs
@@ -129,7 +129,7 @@ fn input_files_setter_on_object<'s>(
     };
     // Web IDL checks the interface identity, independent of the object's realm
     // or mutable prototype. This conversion also precedes input-type checks.
-    if !crate::context_bootstrap::is_file_list_object(scope, object) {
+    if !crate::web_api_interfaces::FileList::is_instance(scope, object) {
         throw_type_error(
             scope,
             "Failed to set the 'files' property on 'HTMLInputElement': The provided value is not of type 'FileList'.",
diff --git a/moli-renderer-v8/src/script_vm/tests/dom_xhr/xhr.rs b/moli-renderer-v8/src/script_vm/tests/dom_xhr/xhr.rs
index 482efca7fd..33b9689d0b 100644
--- a/moli-renderer-v8/src/script_vm/tests/dom_xhr/xhr.rs
+++ b/moli-renderer-v8/src/script_vm/tests/dom_xhr/xhr.rs
@@ -3435,60 +3435,6 @@ async fn streaming_xhr_materialization_failure_errors_body_source_before_close()
     );
 }
 
-#[tokio::test(flavor = "current_thread")]
-async fn window_xhr_open_freezes_base_url_and_applies_url_credentials() {
-    let server = StaticHttpServer::spawn(1).await;
-    let base_url = server.base_url();
-    let loader = static_http_loader(std::iter::empty::<String>());
-    let mut vm = new_page_task_executor_test_vm_with_loader(
-        base_url
-            .join("page.html")
-            .expect("page fixture URL")
-            .as_str(),
-        &loader,
-    );
-    let first_base = base_url.join("first/").expect("first base URL");
-    let second_base = base_url.join("second/").expect("second base URL");
-
-    vm.eval(&format!(
-        r#"
-(() => {{
-  globalThis.__xhrOpenUrlProbe = "pending";
-  const base = document.createElement("base");
-  base.href = {};
-  document.head.append(base);
-  const xhr = new XMLHttpRequest();
-  xhr.open("GET", "resource", true, "alice", "secret");
-  base.href = {};
-  xhr.onload = () => {{ globalThis.__xhrOpenUrlProbe = "done"; }};
-  xhr.onerror = () => {{ globalThis.__xhrOpenUrlProbe = "error"; }};
-  xhr.send();
-  return "started";
-}})()
-"#,
-        serde_json::to_string(first_base.as_str()).expect("serialize first base URL"),
-        serde_json::to_string(second_base.as_str()).expect("serialize second base URL"),
-    ))
-    .expect("XHR open URL probe should evaluate");
-
-    advance_page_task_executor_until_eval_equals(
-        &mut vm,
-        &loader,
-        "String(globalThis.__xhrOpenUrlProbe)",
-        "done",
-        "XHR open URL probe",
-    )
-    .await;
-
-    let requests = server.finish().await;
-    assert_eq!(requests.len(), 1);
-    assert_eq!(requests[0].target, "/first/resource");
-    assert_eq!(
-        requests[0].header_value("authorization"),
-        Some("Basic YWxpY2U6c2VjcmV0")
-    );
-}
-
 #[test]
 fn xhr_response_documents_keep_distinct_source_modification_times() {
     let environment = moli_v8_platform::ProcessEnvironmentOwner::default();