diff --git a/Libraries/LibWeb/CSS/CSSImportRule.cpp b/Libraries/LibWeb/CSS/CSSImportRule.cpp
index 1f3e699c336..61b2f541a1a 100644
--- a/Libraries/LibWeb/CSS/CSSImportRule.cpp
+++ b/Libraries/LibWeb/CSS/CSSImportRule.cpp
@@ -156,7 +156,7 @@ void CSSImportRule::fetch()
             }
             auto decoded = decoded_or_error.release_value();
 
-            auto imported_style_sheet = parse_css_stylesheet(Parser::ParsingParams(*strong_this->m_document, parsed_url), decoded, parsed_url, strong_this->m_media_query_list);
+            auto imported_style_sheet = parse_css_stylesheet(Parser::ParsingParams(*strong_this->m_document), decoded, parsed_url, strong_this->m_media_query_list);
 
             // 5. Set importedStylesheet’s origin-clean flag to parentStylesheet’s origin-clean flag.
             imported_style_sheet->set_origin_clean(parent_style_sheet->is_origin_clean());
diff --git a/Libraries/LibWeb/CSS/FontFace.cpp b/Libraries/LibWeb/CSS/FontFace.cpp
index 7a259862240..dcb67fe4dad 100644
--- a/Libraries/LibWeb/CSS/FontFace.cpp
+++ b/Libraries/LibWeb/CSS/FontFace.cpp
@@ -63,7 +63,6 @@ GC_DEFINE_ALLOCATOR(FontFace);
 GC::Ref<FontFace> FontFace::construct_impl(JS::Realm& realm, String family, FontFaceSource source, FontFaceDescriptors const& descriptors)
 {
     auto& vm = realm.vm();
-    auto base_url = HTML::relevant_settings_object(realm.global_object()).api_base_url();
 
     // 1. Let font face be a fresh FontFace object. Set font face’s status attribute to "unloaded",
     //    Set its internal [[FontStatusPromise]] slot to a fresh pending Promise object.
@@ -76,7 +75,7 @@ GC::Ref<FontFace> FontFace::construct_impl(JS::Realm& realm, String family, Font
     //    set font face’s corresponding attributes to the empty string, and set font face’s status attribute to "error".
     //    Otherwise, set font face’s corresponding attributes to the serialization of the parsed values.
 
-    Parser::ParsingParams parsing_params { realm, base_url };
+    Parser::ParsingParams parsing_params { realm };
     auto try_parse_descriptor = [&parsing_params, &font_face, &realm](DescriptorID descriptor_id, String const& string) -> String {
         auto result = parse_css_descriptor(parsing_params, AtRuleID::FontFace, descriptor_id, string);
         if (!result) {
diff --git a/Libraries/LibWeb/CSS/Parser/Parser.cpp b/Libraries/LibWeb/CSS/Parser/Parser.cpp
index 93a6cba7cfc..846954ab302 100644
--- a/Libraries/LibWeb/CSS/Parser/Parser.cpp
+++ b/Libraries/LibWeb/CSS/Parser/Parser.cpp
@@ -45,25 +45,9 @@ ParsingParams::ParsingParams(JS::Realm& realm, ParsingMode mode)
 {
 }
 
-ParsingParams::ParsingParams(JS::Realm& realm, ::URL::URL url, ParsingMode mode)
-    : realm(realm)
-    , url(move(url))
-    , mode(mode)
-{
-}
-
-ParsingParams::ParsingParams(DOM::Document const& document, ::URL::URL url, ParsingMode mode)
-    : realm(const_cast<JS::Realm&>(document.realm()))
-    , document(&document)
-    , url(move(url))
-    , mode(mode)
-{
-}
-
 ParsingParams::ParsingParams(DOM::Document const& document, ParsingMode mode)
     : realm(const_cast<JS::Realm&>(document.realm()))
     , document(&document)
-    , url(document.url())
     , mode(mode)
 {
 }
@@ -77,7 +61,6 @@ Parser Parser::create(ParsingParams const& context, StringView input, StringView
 Parser::Parser(ParsingParams const& context, Vector<Token> tokens)
     : m_document(context.document)
     , m_realm(context.realm)
-    , m_url(context.url)
     , m_parsing_mode(context.mode)
     , m_tokens(move(tokens))
     , m_token_stream(m_tokens)
@@ -1864,13 +1847,4 @@ bool Parser::is_parsing_svg_presentation_attribute() const
     return m_parsing_mode == ParsingMode::SVGPresentationAttribute;
 }
 
-// https://www.w3.org/TR/css-values-4/#relative-urls
-// FIXME: URLs shouldn't be completed during parsing, but when used.
-Optional<::URL::URL> Parser::complete_url(StringView relative_url) const
-{
-    if (!m_url.has_value())
-        return ::URL::Parser::basic_parse(relative_url);
-    return m_url->complete_url(relative_url);
-}
-
 }
diff --git a/Libraries/LibWeb/CSS/Parser/Parser.h b/Libraries/LibWeb/CSS/Parser/Parser.h
index c23905cfb59..c9e336160ce 100644
--- a/Libraries/LibWeb/CSS/Parser/Parser.h
+++ b/Libraries/LibWeb/CSS/Parser/Parser.h
@@ -71,13 +71,10 @@ enum class ParsingMode {
 struct ParsingParams {
     explicit ParsingParams(ParsingMode = ParsingMode::Normal);
     explicit ParsingParams(JS::Realm&, ParsingMode = ParsingMode::Normal);
-    explicit ParsingParams(JS::Realm&, ::URL::URL, ParsingMode = ParsingMode::Normal);
-    explicit ParsingParams(DOM::Document const&, ::URL::URL, ParsingMode = ParsingMode::Normal);
     explicit ParsingParams(DOM::Document const&, ParsingMode = ParsingMode::Normal);
 
     GC::Ptr<JS::Realm> realm;
     GC::Ptr<DOM::Document const> document;
-    ::URL::URL url;
     ParsingMode mode { ParsingMode::Normal };
 
     Vector<RuleContext> rule_context;
@@ -480,11 +477,9 @@ private:
     JS::Realm& realm() const;
     bool in_quirks_mode() const;
     bool is_parsing_svg_presentation_attribute() const;
-    Optional<::URL::URL> complete_url(StringView) const;
 
     GC::Ptr<DOM::Document const> m_document;
     GC::Ptr<JS::Realm> m_realm;
-    Optional<::URL::URL> m_url;
     ParsingMode m_parsing_mode { ParsingMode::Normal };
 
     Vector<Token> m_tokens;
diff --git a/Libraries/LibWeb/CSS/StyleSheetList.cpp b/Libraries/LibWeb/CSS/StyleSheetList.cpp
index 7a4b92d9ea7..07b1f1e3d14 100644
--- a/Libraries/LibWeb/CSS/StyleSheetList.cpp
+++ b/Libraries/LibWeb/CSS/StyleSheetList.cpp
@@ -68,7 +68,7 @@ GC::Ref<CSSStyleSheet> StyleSheetList::create_a_css_style_sheet(String const& cs
     // AD-HOC: The spec never tells us when to parse this style sheet, but the most logical place is here.
     // AD-HOC: Are we supposed to use the document's URL for the stylesheet's location during parsing? Not doing it breaks things.
     auto location_url = location.value_or(document().url());
-    auto sheet = parse_css_stylesheet(Parser::ParsingParams { document(), location_url }, css_text, location_url);
+    auto sheet = parse_css_stylesheet(Parser::ParsingParams { document() }, css_text, location_url);
 
     sheet->set_parent_css_style_sheet(parent_style_sheet);
     sheet->set_owner_css_rule(owner_rule);