diff --git a/Meta/gn/secondary/Userland/Libraries/LibWeb/Painting/BUILD.gn b/Meta/gn/secondary/Userland/Libraries/LibWeb/Painting/BUILD.gn
index 00bb2dcb8ff..4c23751433e 100644
--- a/Meta/gn/secondary/Userland/Libraries/LibWeb/Painting/BUILD.gn
+++ b/Meta/gn/secondary/Userland/Libraries/LibWeb/Painting/BUILD.gn
@@ -17,7 +17,6 @@ source_set("Painting") {
     "Command.cpp",
     "DisplayList.cpp",
     "DisplayListRecorder.cpp",
-    "FilterPainting.cpp",
     "GradientPainting.cpp",
     "ImagePaintable.cpp",
     "InlinePaintable.cpp",
diff --git a/Userland/Libraries/LibWeb/CMakeLists.txt b/Userland/Libraries/LibWeb/CMakeLists.txt
index 9dc0d3fa22a..ed8b49992a9 100644
--- a/Userland/Libraries/LibWeb/CMakeLists.txt
+++ b/Userland/Libraries/LibWeb/CMakeLists.txt
@@ -558,7 +558,6 @@ set(SOURCES
     Painting/DisplayListPlayerSkia.cpp
     Painting/DisplayListRecorder.cpp
     Painting/GradientPainting.cpp
-    Painting/FilterPainting.cpp
     Painting/ImagePaintable.cpp
     Painting/InlinePaintable.cpp
     Painting/LabelablePaintable.cpp
diff --git a/Userland/Libraries/LibWeb/Painting/FilterPainting.cpp b/Userland/Libraries/LibWeb/Painting/FilterPainting.cpp
deleted file mode 100644
index 6c6561b4917..00000000000
--- a/Userland/Libraries/LibWeb/Painting/FilterPainting.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Copyright (c) 2022, MacDue <macdue@dueutil.tech>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#include <LibWeb/Layout/Node.h>
-#include <LibWeb/Painting/BorderRadiusCornerClipper.h>
-#include <LibWeb/Painting/FilterPainting.h>
-
-namespace Web::Painting {
-
-void apply_backdrop_filter(PaintContext& context, CSSPixelRect const& backdrop_rect, BorderRadiiData const& border_radii_data, CSS::ResolvedBackdropFilter const& backdrop_filter)
-{
-    auto backdrop_region = context.rounded_device_rect(backdrop_rect);
-
-    ScopedCornerRadiusClip corner_clipper { context, backdrop_region, border_radii_data };
-    context.display_list_recorder().apply_backdrop_filter(backdrop_region.to_type<int>(), border_radii_data, backdrop_filter);
-}
-
-}
diff --git a/Userland/Libraries/LibWeb/Painting/FilterPainting.h b/Userland/Libraries/LibWeb/Painting/FilterPainting.h
deleted file mode 100644
index ea49606e80a..00000000000
--- a/Userland/Libraries/LibWeb/Painting/FilterPainting.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright (c) 2022, MacDue <macdue@dueutil.tech>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#pragma once
-
-#include <LibGfx/Forward.h>
-#include <LibWeb/CSS/BackdropFilter.h>
-#include <LibWeb/Forward.h>
-
-namespace Web::Painting {
-
-void apply_backdrop_filter(PaintContext&, CSSPixelRect const&, BorderRadiiData const&, CSS::ResolvedBackdropFilter const&);
-
-}
diff --git a/Userland/Libraries/LibWeb/Painting/PaintableBox.cpp b/Userland/Libraries/LibWeb/Painting/PaintableBox.cpp
index 1b547dc10d7..a237e454331 100644
--- a/Userland/Libraries/LibWeb/Painting/PaintableBox.cpp
+++ b/Userland/Libraries/LibWeb/Painting/PaintableBox.cpp
@@ -16,7 +16,6 @@
 #include <LibWeb/Layout/BlockContainer.h>
 #include <LibWeb/Layout/Viewport.h>
 #include <LibWeb/Painting/BackgroundPainting.h>
-#include <LibWeb/Painting/FilterPainting.h>
 #include <LibWeb/Painting/PaintableBox.h>
 #include <LibWeb/Painting/SVGPaintable.h>
 #include <LibWeb/Painting/SVGSVGPaintable.h>
@@ -438,9 +437,15 @@ void PaintableBox::paint_border(PaintContext& context) const
 
 void PaintableBox::paint_backdrop_filter(PaintContext& context) const
 {
-    auto& backdrop_filter = computed_values().backdrop_filter();
-    if (!backdrop_filter.is_none())
-        apply_backdrop_filter(context, absolute_border_box_rect(), normalized_border_radii_data(), backdrop_filter);
+    auto const& backdrop_filter = computed_values().backdrop_filter();
+    if (backdrop_filter.is_none()) {
+        return;
+    }
+
+    auto backdrop_region = context.rounded_device_rect(absolute_border_box_rect());
+    auto border_radii_data = normalized_border_radii_data();
+    ScopedCornerRadiusClip corner_clipper { context, backdrop_region, border_radii_data };
+    context.display_list_recorder().apply_backdrop_filter(backdrop_region.to_type<int>(), border_radii_data, backdrop_filter);
 }
 
 void PaintableBox::paint_background(PaintContext& context) const