diff --git a/components/script/dom/xmlhttprequest.rs b/components/script/dom/xmlhttprequest.rs
index 1e8176cb781..08b37c946c5 100644
--- a/components/script/dom/xmlhttprequest.rs
+++ b/components/script/dom/xmlhttprequest.rs
@@ -758,7 +758,12 @@ impl XMLHttpRequestMethods for XMLHttpRequest {
             }
         }
         // Step 3
-        self.ready_state.set(XMLHttpRequestState::Unsent);
+        if self.ready_state.get() == XMLHttpRequestState::Done {
+            self.change_ready_state(XMLHttpRequestState::Unsent);
+            self.response_status.set(Err(()));
+            self.response.borrow_mut().clear();
+            self.response_headers.borrow_mut().clear();
+        }
     }
 
     // https://xhr.spec.whatwg.org/#the-responseurl-attribute
@@ -961,13 +966,15 @@ impl XMLHttpRequest {
     fn change_ready_state(&self, rs: XMLHttpRequestState) {
         assert_ne!(self.ready_state.get(), rs);
         self.ready_state.set(rs);
-        let event = Event::new(
-            &self.global(),
-            atom!("readystatechange"),
-            EventBubbles::DoesNotBubble,
-            EventCancelable::Cancelable,
-        );
-        event.fire(self.upcast());
+        if rs != XMLHttpRequestState::Unsent {
+            let event = Event::new(
+                &self.global(),
+                atom!("readystatechange"),
+                EventBubbles::DoesNotBubble,
+                EventCancelable::Cancelable,
+            );
+            event.fire(self.upcast());
+        }
     }
 
     fn process_headers_available(
diff --git a/tests/wpt/metadata/xhr/abort-during-open.any.js.ini b/tests/wpt/metadata/xhr/abort-during-open.any.js.ini
deleted file mode 100644
index db9cfa6ab19..00000000000
--- a/tests/wpt/metadata/xhr/abort-during-open.any.js.ini
+++ /dev/null
@@ -1,9 +0,0 @@
-[abort-during-open.any.worker.html]
-  [XMLHttpRequest: abort() during OPEN]
-    expected: FAIL
-
-
-[abort-during-open.any.html]
-  [XMLHttpRequest: abort() during OPEN]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/xhr/abort-event-abort.any.js.ini b/tests/wpt/metadata/xhr/abort-event-abort.any.js.ini
deleted file mode 100644
index 2c9fd921d01..00000000000
--- a/tests/wpt/metadata/xhr/abort-event-abort.any.js.ini
+++ /dev/null
@@ -1,9 +0,0 @@
-[abort-event-abort.any.html]
-  [XMLHttpRequest: The abort() method: do not fire abort event in OPENED state when send() flag is unset.]
-    expected: FAIL
-
-
-[abort-event-abort.any.worker.html]
-  [XMLHttpRequest: The abort() method: do not fire abort event in OPENED state when send() flag is unset.]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/xhr/send-data-unexpected-tostring.htm.ini b/tests/wpt/metadata/xhr/send-data-unexpected-tostring.htm.ini
index 8fa623e7c06..464ac7716b5 100644
--- a/tests/wpt/metadata/xhr/send-data-unexpected-tostring.htm.ini
+++ b/tests/wpt/metadata/xhr/send-data-unexpected-tostring.htm.ini
@@ -1,8 +1,5 @@
 [send-data-unexpected-tostring.htm]
   type: testharness
-  [abort() called from data stringification]
-    expected: FAIL
-
   [open() called from data stringification]
     expected: FAIL