diff --git a/Userland/Libraries/LibWeb/Painting/FilterPainting.cpp b/Userland/Libraries/LibWeb/Painting/FilterPainting.cpp
index 3f241193e08..aa0928733e4 100644
--- a/Userland/Libraries/LibWeb/Painting/FilterPainting.cpp
+++ b/Userland/Libraries/LibWeb/Painting/FilterPainting.cpp
@@ -19,85 +19,6 @@
 
 namespace Web::Painting {
 
-void apply_filter_list(Gfx::Bitmap& target_bitmap, ReadonlySpan<CSS::ResolvedBackdropFilter::FilterFunction> filter_list)
-{
-    auto apply_color_filter = [&](Gfx::ColorFilter const& filter) {
-        const_cast<Gfx::ColorFilter&>(filter).apply(target_bitmap, target_bitmap.rect(), target_bitmap, target_bitmap.rect());
-    };
-    for (auto& filter_function : filter_list) {
-        // See: https://drafts.fxtf.org/filter-effects-1/#supported-filter-functions
-        filter_function.visit(
-            [&](CSS::ResolvedBackdropFilter::Blur const& blur_filter) {
-                // Applies a Gaussian blur to the input image.
-                // The passed parameter defines the value of the standard deviation to the Gaussian function.
-                Gfx::StackBlurFilter filter { target_bitmap };
-                filter.process_rgba(blur_filter.radius, Color::Transparent);
-            },
-            [&](CSS::ResolvedBackdropFilter::ColorOperation const& color) {
-                auto amount = color.amount;
-                auto amount_clamped = clamp(amount, 0.0f, 1.0f);
-                switch (color.operation) {
-                case CSS::Filter::Color::Operation::Grayscale: {
-                    // Converts the input image to grayscale. The passed parameter defines the proportion of the conversion.
-                    // A value of 100% is completely grayscale. A value of 0% leaves the input unchanged.
-                    apply_color_filter(Gfx::GrayscaleFilter { amount_clamped });
-                    break;
-                }
-                case CSS::Filter::Color::Operation::Brightness: {
-                    // Applies a linear multiplier to input image, making it appear more or less bright.
-                    // A value of 0% will create an image that is completely black. A value of 100% leaves the input unchanged.
-                    // Values of amount over 100% are allowed, providing brighter results.
-                    apply_color_filter(Gfx::BrightnessFilter { amount });
-                    break;
-                }
-                case CSS::Filter::Color::Operation::Contrast: {
-                    // Adjusts the contrast of the input. A value of 0% will create an image that is completely gray.
-                    // A value of 100% leaves the input unchanged. Values of amount over 100% are allowed, providing results with more contrast.
-                    apply_color_filter(Gfx::ContrastFilter { amount });
-                    break;
-                }
-                case CSS::Filter::Color::Operation::Invert: {
-                    // Inverts the samples in the input image. The passed parameter defines the proportion of the conversion.
-                    // A value of 100% is completely inverted. A value of 0% leaves the input unchanged.
-                    apply_color_filter(Gfx::InvertFilter { amount_clamped });
-                    break;
-                }
-                case CSS::Filter::Color::Operation::Opacity: {
-                    // Applies transparency to the samples in the input image. The passed parameter defines the proportion of the conversion.
-                    // A value of 0% is completely transparent. A value of 100% leaves the input unchanged.
-                    apply_color_filter(Gfx::OpacityFilter { amount_clamped });
-                    break;
-                }
-                case CSS::Filter::Color::Operation::Sepia: {
-                    // Converts the input image to sepia. The passed parameter defines the proportion of the conversion.
-                    // A value of 100% is completely sepia. A value of 0% leaves the input unchanged.
-                    apply_color_filter(Gfx::SepiaFilter { amount_clamped });
-                    break;
-                }
-                case CSS::Filter::Color::Operation::Saturate: {
-                    // Saturates the input image. The passed parameter defines the proportion of the conversion.
-                    // A value of 0% is completely un-saturated. A value of 100% leaves the input unchanged.
-                    // Other values are linear multipliers on the effect.
-                    // Values of amount over 100% are allowed, providing super-saturated results
-                    apply_color_filter(Gfx::SaturateFilter { amount });
-                    break;
-                }
-                default:
-                    break;
-                }
-            },
-            [&](CSS::ResolvedBackdropFilter::HueRotate const& hue_rotate) {
-                // Applies a hue rotation on the input image.
-                // The passed parameter defines the number of degrees around the color circle the input samples will be adjusted.
-                // A value of 0deg leaves the input unchanged. Implementations must not normalize this value in order to allow animations beyond 360deg.
-                apply_color_filter(Gfx::HueRotateFilter { hue_rotate.angle_degrees });
-            },
-            [&](CSS::ResolvedBackdropFilter::DropShadow const&) {
-                dbgln("TODO: Implement drop-shadow() filter function!");
-            });
-    }
-}
-
 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);
diff --git a/Userland/Libraries/LibWeb/Painting/FilterPainting.h b/Userland/Libraries/LibWeb/Painting/FilterPainting.h
index 4f5e4b28657..ea49606e80a 100644
--- a/Userland/Libraries/LibWeb/Painting/FilterPainting.h
+++ b/Userland/Libraries/LibWeb/Painting/FilterPainting.h
@@ -12,8 +12,6 @@
 
 namespace Web::Painting {
 
-void apply_filter_list(Gfx::Bitmap& target_bitmap, ReadonlySpan<CSS::ResolvedBackdropFilter::FilterFunction> filter_list);
-
 void apply_backdrop_filter(PaintContext&, CSSPixelRect const&, BorderRadiiData const&, CSS::ResolvedBackdropFilter const&);
 
 }