diff --git a/components/script/canvas_context.rs b/components/script/canvas_context.rs
index bc666f2582d..b60a7193a66 100644
--- a/components/script/canvas_context.rs
+++ b/components/script/canvas_context.rs
@@ -39,6 +39,11 @@ pub(crate) trait CanvasContext {
 
     fn resize(&self);
 
+    // Resets the backing bitmap (to transparent or opaque black) without the
+    // context state reset.
+    // Used by OffscreenCanvas.transferToImageBitmap.
+    fn reset_bitmap(&self);
+
     /// Returns none if area of canvas is zero.
     ///
     /// In case of other errors it returns cleared snapshot
@@ -145,6 +150,21 @@ impl CanvasContext for RenderingContext {
         }
     }
 
+    fn reset_bitmap(&self) {
+        match self {
+            RenderingContext::Placeholder(offscreen_canvas) => {
+                if let Some(context) = offscreen_canvas.context() {
+                    context.reset_bitmap()
+                }
+            },
+            RenderingContext::Context2d(context) => context.reset_bitmap(),
+            RenderingContext::WebGL(context) => context.reset_bitmap(),
+            RenderingContext::WebGL2(context) => context.reset_bitmap(),
+            #[cfg(feature = "webgpu")]
+            RenderingContext::WebGPU(context) => context.reset_bitmap(),
+        }
+    }
+
     fn get_image_data(&self) -> Option<Snapshot> {
         match self {
             RenderingContext::Placeholder(offscreen_canvas) => {
@@ -257,6 +277,12 @@ impl CanvasContext for OffscreenRenderingContext {
         }
     }
 
+    fn reset_bitmap(&self) {
+        match self {
+            OffscreenRenderingContext::Context2d(context) => context.reset_bitmap(),
+        }
+    }
+
     fn get_image_data(&self) -> Option<Snapshot> {
         match self {
             OffscreenRenderingContext::Context2d(context) => context.get_image_data(),
diff --git a/components/script/canvas_state.rs b/components/script/canvas_state.rs
index a7e86afa5d7..33cf2d1dafe 100644
--- a/components/script/canvas_state.rs
+++ b/components/script/canvas_state.rs
@@ -292,6 +292,14 @@ impl CanvasState {
         *self.state.borrow_mut() = CanvasContextState::new();
     }
 
+    pub(crate) fn reset_bitmap(&self) {
+        if !self.is_paintable() {
+            return;
+        }
+
+        self.send_canvas_2d_msg(Canvas2dMsg::ClearRect(self.size.get().to_f32().into()));
+    }
+
     fn create_drawable_rect(&self, x: f64, y: f64, w: f64, h: f64) -> Option<Rect<f32>> {
         if !([x, y, w, h].iter().all(|val| val.is_finite())) {
             return None;
diff --git a/components/script/dom/canvasrenderingcontext2d.rs b/components/script/dom/canvasrenderingcontext2d.rs
index cb573a8bd2b..8363ea18dce 100644
--- a/components/script/dom/canvasrenderingcontext2d.rs
+++ b/components/script/dom/canvasrenderingcontext2d.rs
@@ -153,6 +153,10 @@ impl CanvasContext for CanvasRenderingContext2D {
         self.set_canvas_bitmap_dimensions(self.size().cast())
     }
 
+    fn reset_bitmap(&self) {
+        self.canvas_state.reset_bitmap()
+    }
+
     fn get_image_data(&self) -> Option<Snapshot> {
         if !self.canvas_state.is_paintable() {
             return None;
diff --git a/components/script/dom/offscreencanvas.rs b/components/script/dom/offscreencanvas.rs
index fff98ae11e3..2a68d20bea7 100644
--- a/components/script/dom/offscreencanvas.rs
+++ b/components/script/dom/offscreencanvas.rs
@@ -27,6 +27,7 @@ use crate::dom::blob::Blob;
 use crate::dom::eventtarget::EventTarget;
 use crate::dom::globalscope::GlobalScope;
 use crate::dom::htmlcanvaselement::HTMLCanvasElement;
+use crate::dom::imagebitmap::ImageBitmap;
 use crate::dom::offscreencanvasrenderingcontext2d::OffscreenCanvasRenderingContext2D;
 use crate::dom::promise::Promise;
 use crate::realms::{AlreadyInRealm, InRealm};
@@ -214,6 +215,40 @@ impl OffscreenCanvasMethods<crate::DomTypeHolder> for OffscreenCanvas {
         }
     }
 
+    /// <https://html.spec.whatwg.org/multipage/#dom-offscreencanvas-transfertoimagebitmap>
+    fn TransferToImageBitmap(&self, can_gc: CanGc) -> Fallible<DomRoot<ImageBitmap>> {
+        // TODO Step 1. If the value of this OffscreenCanvas object's
+        // [[Detached]] internal slot is set to true, then throw an
+        // "InvalidStateError" DOMException.
+
+        // Step 2. If this OffscreenCanvas object's context mode is set to none,
+        // then throw an "InvalidStateError" DOMException.
+        if self.context.borrow().is_none() {
+            return Err(Error::InvalidState);
+        }
+
+        // Step 3. Let image be a newly created ImageBitmap object that
+        // references the same underlying bitmap data as this OffscreenCanvas
+        // object's bitmap.
+        let Some(snapshot) = self.get_image_data() else {
+            return Err(Error::InvalidState);
+        };
+
+        let image_bitmap = ImageBitmap::new(&self.global(), snapshot, can_gc);
+        image_bitmap.set_origin_clean(self.origin_is_clean());
+
+        // Step 4. Set this OffscreenCanvas object's bitmap to reference a newly
+        // created bitmap of the same dimensions and color space as the previous
+        // bitmap, and with its pixels initialized to transparent black, or
+        // opaque black if the rendering context's alpha is false.
+        if let Some(canvas_context) = self.context() {
+            canvas_context.reset_bitmap();
+        }
+
+        // Step 5. Return image.
+        Ok(image_bitmap)
+    }
+
     /// <https://html.spec.whatwg.org/multipage/#dom-offscreencanvas-converttoblob>
     fn ConvertToBlob(&self, options: &ImageEncodeOptions, can_gc: CanGc) -> Rc<Promise> {
         // Step 5. Let result be a new promise object.
diff --git a/components/script/dom/offscreencanvasrenderingcontext2d.rs b/components/script/dom/offscreencanvasrenderingcontext2d.rs
index 5066d5f3df8..a4768f68779 100644
--- a/components/script/dom/offscreencanvasrenderingcontext2d.rs
+++ b/components/script/dom/offscreencanvasrenderingcontext2d.rs
@@ -84,6 +84,10 @@ impl CanvasContext for OffscreenCanvasRenderingContext2D {
         self.context.resize()
     }
 
+    fn reset_bitmap(&self) {
+        self.context.reset_bitmap()
+    }
+
     fn get_image_data(&self) -> Option<Snapshot> {
         self.context.get_image_data()
     }
diff --git a/components/script/dom/webgl2renderingcontext.rs b/components/script/dom/webgl2renderingcontext.rs
index 2bfae1bae94..6d293287fa1 100644
--- a/components/script/dom/webgl2renderingcontext.rs
+++ b/components/script/dom/webgl2renderingcontext.rs
@@ -916,6 +916,10 @@ impl CanvasContext for WebGL2RenderingContext {
         self.base.resize();
     }
 
+    fn reset_bitmap(&self) {
+        self.base.reset_bitmap();
+    }
+
     fn get_image_data(&self) -> Option<Snapshot> {
         self.base.get_image_data()
     }
diff --git a/components/script/dom/webglrenderingcontext.rs b/components/script/dom/webglrenderingcontext.rs
index 7f027a1e12b..9eb67be5df9 100644
--- a/components/script/dom/webglrenderingcontext.rs
+++ b/components/script/dom/webglrenderingcontext.rs
@@ -1974,6 +1974,10 @@ impl CanvasContext for WebGLRenderingContext {
         }
     }
 
+    fn reset_bitmap(&self) {
+        warn!("The WebGLRenderingContext 'reset_bitmap' is not implemented yet");
+    }
+
     // Used by HTMLCanvasElement.toDataURL
     //
     // This emits errors quite liberally, but the spec says that this operation
diff --git a/components/script/dom/webgpu/gpucanvascontext.rs b/components/script/dom/webgpu/gpucanvascontext.rs
index 3722f19bc24..168090487d4 100644
--- a/components/script/dom/webgpu/gpucanvascontext.rs
+++ b/components/script/dom/webgpu/gpucanvascontext.rs
@@ -276,6 +276,10 @@ impl CanvasContext for GPUCanvasContext {
         }
     }
 
+    fn reset_bitmap(&self) {
+        warn!("The GPUCanvasContext 'reset_bitmap' is not implemented yet");
+    }
+
     /// <https://gpuweb.github.io/gpuweb/#ref-for-abstract-opdef-get-a-copy-of-the-image-contents-of-a-context%E2%91%A5>
     fn get_image_data(&self) -> Option<Snapshot> {
         // 1. Return a copy of the image contents of context.
diff --git a/components/script_bindings/codegen/Bindings.conf b/components/script_bindings/codegen/Bindings.conf
index 295ff111017..bb686429931 100644
--- a/components/script_bindings/codegen/Bindings.conf
+++ b/components/script_bindings/codegen/Bindings.conf
@@ -519,7 +519,7 @@ DOMInterfaces = {
 },
 
 'OffscreenCanvas': {
-    'canGc': ['ConvertToBlob', 'GetContext', 'SetHeight', 'SetWidth'],
+    'canGc': ['ConvertToBlob', 'GetContext', 'SetHeight', 'SetWidth', 'TransferToImageBitmap'],
 },
 
 'OffscreenCanvasRenderingContext2D': {
diff --git a/components/script_bindings/webidls/OffscreenCanvas.webidl b/components/script_bindings/webidls/OffscreenCanvas.webidl
index 9468dc98f32..17e45b4865c 100644
--- a/components/script_bindings/webidls/OffscreenCanvas.webidl
+++ b/components/script_bindings/webidls/OffscreenCanvas.webidl
@@ -20,6 +20,6 @@ interface OffscreenCanvas : EventTarget {
   attribute [EnforceRange] unsigned long long height;
 
   [Throws] OffscreenRenderingContext? getContext(DOMString contextId, optional any options = null);
-  //ImageBitmap transferToImageBitmap();
+  [Throws] ImageBitmap transferToImageBitmap();
   Promise<Blob> convertToBlob(optional ImageEncodeOptions options = {});
 };
diff --git a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.no_shadow.drawImage.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.no_shadow.drawImage.w.html.ini
index 1d2295f3217..cff800cd878 100644
--- a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.no_shadow.drawImage.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.no_shadow.drawImage.w.html.ini
@@ -1,2 +1,2 @@
 [2d.composite.grid.filter.no_shadow.drawImage.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.no_shadow.fillRect.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.no_shadow.fillRect.w.html.ini
index 6a6e343494b..1a1470e6fb3 100644
--- a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.no_shadow.fillRect.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.no_shadow.fillRect.w.html.ini
@@ -1,2 +1,2 @@
 [2d.composite.grid.filter.no_shadow.fillRect.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.no_shadow.pattern.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.no_shadow.pattern.w.html.ini
index 0902ce494c4..8d0bbdf6613 100644
--- a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.no_shadow.pattern.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.no_shadow.pattern.w.html.ini
@@ -1,2 +1,2 @@
 [2d.composite.grid.filter.no_shadow.pattern.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.shadow.drawImage.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.shadow.drawImage.w.html.ini
index 2ded60b14cb..9f2b48ea139 100644
--- a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.shadow.drawImage.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.shadow.drawImage.w.html.ini
@@ -1,2 +1,2 @@
 [2d.composite.grid.filter.shadow.drawImage.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.shadow.fillRect.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.shadow.fillRect.w.html.ini
index 322c7ef3429..9f7739ea193 100644
--- a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.shadow.fillRect.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.shadow.fillRect.w.html.ini
@@ -1,2 +1,2 @@
 [2d.composite.grid.filter.shadow.fillRect.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.shadow.pattern.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.shadow.pattern.w.html.ini
index 602d69c0f16..fb5278a2401 100644
--- a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.shadow.pattern.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.filter.shadow.pattern.w.html.ini
@@ -1,2 +1,2 @@
 [2d.composite.grid.filter.shadow.pattern.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.no_shadow.drawImage.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.no_shadow.drawImage.w.html.ini
index cd15152caf6..d96d7fdd411 100644
--- a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.no_shadow.drawImage.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.no_shadow.drawImage.w.html.ini
@@ -1,2 +1,2 @@
 [2d.composite.grid.no_filter.no_shadow.drawImage.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.no_shadow.fillRect.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.no_shadow.fillRect.w.html.ini
index eec2f16a70d..d4c464d8d31 100644
--- a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.no_shadow.fillRect.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.no_shadow.fillRect.w.html.ini
@@ -1,2 +1,2 @@
 [2d.composite.grid.no_filter.no_shadow.fillRect.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.no_shadow.pattern.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.no_shadow.pattern.w.html.ini
index 087fd35298c..46ca7eb7ccb 100644
--- a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.no_shadow.pattern.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.no_shadow.pattern.w.html.ini
@@ -1,2 +1,2 @@
 [2d.composite.grid.no_filter.no_shadow.pattern.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.shadow.drawImage.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.shadow.drawImage.w.html.ini
index 5b9f81d55a7..969c2f4322c 100644
--- a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.shadow.drawImage.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.shadow.drawImage.w.html.ini
@@ -1,2 +1,2 @@
 [2d.composite.grid.no_filter.shadow.drawImage.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.shadow.fillRect.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.shadow.fillRect.w.html.ini
index d56ee6bbf95..fa155deb014 100644
--- a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.shadow.fillRect.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.shadow.fillRect.w.html.ini
@@ -1,2 +1,2 @@
 [2d.composite.grid.no_filter.shadow.fillRect.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.shadow.pattern.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.shadow.pattern.w.html.ini
index 8108a9bc658..08a4d79370c 100644
--- a/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.shadow.pattern.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/compositing/2d.composite.grid.no_filter.shadow.pattern.w.html.ini
@@ -1,2 +1,2 @@
 [2d.composite.grid.no_filter.shadow.pattern.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/fill-and-stroke-styles/2d.gradient.colorInterpolationMethod.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/fill-and-stroke-styles/2d.gradient.colorInterpolationMethod.w.html.ini
index f306b0d3da8..75805ac7128 100644
--- a/tests/wpt/meta/html/canvas/offscreen/fill-and-stroke-styles/2d.gradient.colorInterpolationMethod.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/fill-and-stroke-styles/2d.gradient.colorInterpolationMethod.w.html.ini
@@ -1,2 +1,2 @@
 [2d.gradient.colorInterpolationMethod.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/fill-and-stroke-styles/2d.gradient.hueInterpolationMethod.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/fill-and-stroke-styles/2d.gradient.hueInterpolationMethod.w.html.ini
index bdf304938a7..1f0163d50ff 100644
--- a/tests/wpt/meta/html/canvas/offscreen/fill-and-stroke-styles/2d.gradient.hueInterpolationMethod.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/fill-and-stroke-styles/2d.gradient.hueInterpolationMethod.w.html.ini
@@ -1,2 +1,2 @@
 [2d.gradient.hueInterpolationMethod.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/filters/2d.filter.drop-shadow-globalAlpha.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/filters/2d.filter.drop-shadow-globalAlpha.w.html.ini
index e1f49e5ab06..a0b49d773b1 100644
--- a/tests/wpt/meta/html/canvas/offscreen/filters/2d.filter.drop-shadow-globalAlpha.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/filters/2d.filter.drop-shadow-globalAlpha.w.html.ini
@@ -1,2 +1,2 @@
 [2d.filter.drop-shadow-globalAlpha.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/manual/filter/offscreencanvas.filter.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/manual/filter/offscreencanvas.filter.w.html.ini
deleted file mode 100644
index 6e55bcfc0d1..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/manual/filter/offscreencanvas.filter.w.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[offscreencanvas.filter.w.html]
-  expected: ERROR
-  [offscreencanvas]
-    expected: TIMEOUT
diff --git a/tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.resize.html.ini b/tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.resize.html.ini
index 56771e2c3f4..613ac7512ba 100644
--- a/tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.resize.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.resize.html.ini
@@ -1,7 +1,4 @@
 [offscreencanvas.resize.html]
-  [Verify that writing to the width and height attributes of an OffscreenCanvas works when there is a 2d context attached.]
-    expected: FAIL
-
   [Verify that resizing an OffscreenCanvas with a webgl context propagates the new size to its placeholder canvas asynchronously.]
     expected: FAIL
 
diff --git a/tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.html.ini b/tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.html.ini
index a32dc7148db..a5681398739 100644
--- a/tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.html.ini
@@ -2,18 +2,8 @@
   [Test that transferToImageBitmap returns an ImageBitmap with correct color]
     expected: FAIL
 
-  [Test that call transferToImageBitmap on a detached OffscreenCanvas throws an exception]
-    expected: FAIL
-
   [Test that transferToImageBitmap returns an ImageBitmap with correct width and height]
     expected: FAIL
 
-  [Test that transferToImageBitmap without a context throws an exception]
+  [Test that call transferToImageBitmap on a detached OffscreenCanvas throws an exception]
     expected: FAIL
-
-  [Test that transferToImageBitmap preserves transform]
-    expected: FAIL
-
-  [Test that transferToImageBitmap won't change context's property]
-    expected: FAIL
-
diff --git a/tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.w.html.ini
index e8a587825c6..648d37373df 100644
--- a/tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.w.html.ini
@@ -1,26 +1,10 @@
 [offscreencanvas.transfer.to.imagebitmap.w.html]
   expected: ERROR
-  [Test that call transferToImageBitmap twice returns an ImageBitmap with correct color in a worker]
-    expected: FAIL
-
   [Test that transferToImageBitmap returns an ImageBitmap with correct width and height in a worker]
     expected: FAIL
 
-  [Test that transferToImageBitmap returns an ImageBitmap with correct color in a worker]
-    expected: FAIL
-
   [Test that call transferToImageBitmap on a detached OffscreenCanvas throws an exception in a worker]
     expected: FAIL
 
-  [Test that call transferToImageBitmap without a context throws an exception in a worker]
-    expected: FAIL
-
-  [Test that call transferToImageBitmap preserves transform in a worker]
-    expected: FAIL
-
-  [Test that transferToImageBitmap won't change context's property in a worker]
-    expected: FAIL
-
   [Test that call transferToImageBitmap twice on a alpha-disabled context returns an ImageBitmap with correct color in a worker]
     expected: FAIL
-
diff --git a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.after-rasterization.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.after-rasterization.w.html.ini
deleted file mode 100644
index ec04bfe62ea..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.after-rasterization.w.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[2d.reset.after-rasterization.w.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.drop_shadow.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.drop_shadow.w.html.ini
deleted file mode 100644
index 3d88579b4eb..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.drop_shadow.w.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[2d.reset.render.drop_shadow.w.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.global_composite_operation.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.global_composite_operation.w.html.ini
deleted file mode 100644
index 667bf479aac..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.global_composite_operation.w.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[2d.reset.render.global_composite_operation.w.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.line.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.line.w.html.ini
deleted file mode 100644
index cf5f87c380e..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.line.w.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[2d.reset.render.line.w.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.misc.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.misc.w.html.ini
deleted file mode 100644
index 96c0af4b618..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.misc.w.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[2d.reset.render.misc.w.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.miter_limit.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.miter_limit.w.html.ini
deleted file mode 100644
index f7e5dc24118..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.miter_limit.w.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[2d.reset.render.miter_limit.w.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.text.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.text.w.html.ini
index c509ea86091..9818bda9c30 100644
--- a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.text.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.render.text.w.html.ini
@@ -1,2 +1,2 @@
 [2d.reset.render.text.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.state.clip.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.state.clip.w.html.ini
deleted file mode 100644
index 07e8cf9140d..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/reset/2d.reset.state.clip.w.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[2d.reset.state.clip.w.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.drawing.style.reset.fontKerning.none2.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/text/2d.text.drawing.style.reset.fontKerning.none2.w.html.ini
index d257ff26350..751fe06dcc1 100644
--- a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.drawing.style.reset.fontKerning.none2.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/text/2d.text.drawing.style.reset.fontKerning.none2.w.html.ini
@@ -1,2 +1,2 @@
 [2d.text.drawing.style.reset.fontKerning.none2.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps.after.reset.font.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps.after.reset.font.w.html.ini
index 19f02a9b207..e0453a058e4 100644
--- a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps.after.reset.font.w.html.ini
+++ b/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps.after.reset.font.w.html.ini
@@ -1,2 +1,2 @@
 [2d.text.fontVariantCaps.after.reset.font.w.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps1.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps1.w.html.ini
deleted file mode 100644
index 31831438399..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps1.w.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[2d.text.fontVariantCaps1.w.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps3.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps3.w.html.ini
deleted file mode 100644
index 377ba2603a1..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps3.w.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[2d.text.fontVariantCaps3.w.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps4.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps4.w.html.ini
deleted file mode 100644
index 4d9c346b829..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps4.w.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[2d.text.fontVariantCaps4.w.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps5.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps5.w.html.ini
deleted file mode 100644
index c061380b6d5..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps5.w.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[2d.text.fontVariantCaps5.w.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps6.w.html.ini b/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps6.w.html.ini
deleted file mode 100644
index 919352eb84b..00000000000
--- a/tests/wpt/meta/html/canvas/offscreen/text/2d.text.fontVariantCaps6.w.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[2d.text.fontVariantCaps6.w.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/dom/idlharness.any.js.ini b/tests/wpt/meta/html/dom/idlharness.any.js.ini
index 896925f2ee0..bd95386b7f8 100644
--- a/tests/wpt/meta/html/dom/idlharness.any.js.ini
+++ b/tests/wpt/meta/html/dom/idlharness.any.js.ini
@@ -26,9 +26,6 @@
   [ImageBitmapRenderingContext interface: operation transferFromImageBitmap(ImageBitmap?)]
     expected: FAIL
 
-  [OffscreenCanvas interface: operation transferToImageBitmap()]
-    expected: FAIL
-
   [OffscreenCanvas interface: attribute oncontextlost]
     expected: FAIL
 
diff --git a/tests/wpt/meta/html/dom/idlharness.https.html.ini b/tests/wpt/meta/html/dom/idlharness.https.html.ini
index 074077a1c50..ff38923d7e9 100644
--- a/tests/wpt/meta/html/dom/idlharness.https.html.ini
+++ b/tests/wpt/meta/html/dom/idlharness.https.html.ini
@@ -4370,9 +4370,6 @@
   [ImageBitmapRenderingContext interface: operation transferFromImageBitmap(ImageBitmap?)]
     expected: FAIL
 
-  [OffscreenCanvas interface: operation transferToImageBitmap()]
-    expected: FAIL
-
   [OffscreenCanvas interface: attribute oncontextlost]
     expected: FAIL