diff --git a/Userland/Libraries/LibWeb/CSS/Length.cpp b/Userland/Libraries/LibWeb/CSS/Length.cpp
index c1c1ae96246..80a8aa24d65 100644
--- a/Userland/Libraries/LibWeb/CSS/Length.cpp
+++ b/Userland/Libraries/LibWeb/CSS/Length.cpp
@@ -101,13 +101,6 @@ float Length::to_px(Layout::Node const& layout_node) const
     return to_px(viewport_rect, layout_node.font().metrics('M'), root_element->layout_node()->font().presentation_size());
 }
 
-float Length::relative_length_to_px(Layout::Node const& layout_node) const
-{
-    auto viewport_rect = layout_node.document().browsing_context()->viewport_rect();
-    auto root_element = layout_node.document().document_element();
-    return relative_length_to_px(viewport_rect, layout_node.font().metrics('M'), root_element->layout_node()->font().presentation_size());
-}
-
 static float resolve_calc_value(CalculatedStyleValue::CalcValue const&, const Layout::Node& layout_node, float reference_for_percent);
 static float resolve_calc_number_value(CalculatedStyleValue::CalcNumberValue const&);
 static float resolve_calc_product(NonnullOwnPtr<CalculatedStyleValue::CalcProduct> const&, const Layout::Node& layout_node, float reference_for_percent);
diff --git a/Userland/Libraries/LibWeb/CSS/Length.h b/Userland/Libraries/LibWeb/CSS/Length.h
index 2fa50e45273..349a1a7ad3a 100644
--- a/Userland/Libraries/LibWeb/CSS/Length.h
+++ b/Userland/Libraries/LibWeb/CSS/Length.h
@@ -137,7 +137,6 @@ public:
     float relative_length_to_px(Gfx::IntRect const& viewport_rect, Gfx::FontMetrics const& font_metrics, float root_font_size) const;
 
 private:
-    float relative_length_to_px(const Layout::Node&) const;
     float resolve_calculated_value(const Layout::Node& layout_node, float reference_for_percent) const;
 
     const char* unit_name() const;