From ed35f9e7c2b1302cc2ea87db09739f71ce6dc984 Mon Sep 17 00:00:00 2001
From: Andreas Kling <andreas@ladybird.org>
Date: Thu, 17 Apr 2025 12:32:19 +0200
Subject: [PATCH] LibWeb: Remove unused MatchingRule::must_be_hovered flag

This was a vestige from an earlier version of hover selector work
avoidance optimizations.
---
 Libraries/LibWeb/CSS/StyleComputer.cpp | 20 --------------------
 Libraries/LibWeb/CSS/StyleComputer.h   |  1 -
 2 files changed, 21 deletions(-)

diff --git a/Libraries/LibWeb/CSS/StyleComputer.cpp b/Libraries/LibWeb/CSS/StyleComputer.cpp
index ab549353406..39e4bbf5c3e 100644
--- a/Libraries/LibWeb/CSS/StyleComputer.cpp
+++ b/Libraries/LibWeb/CSS/StyleComputer.cpp
@@ -2809,7 +2809,6 @@ void StyleComputer::make_rule_cache_for_cascade_origin(CascadeOrigin cascade_ori
                     selector.specificity(),
                     cascade_origin,
                     false,
-                    false,
                 };
 
                 auto const& qualified_layer_name = matching_rule.qualified_layer_name();
@@ -2833,25 +2832,6 @@ void StyleComputer::make_rule_cache_for_cascade_origin(CascadeOrigin cascade_ori
                             contains_root_pseudo_class = true;
                         }
                     }
-
-                    if (!matching_rule.must_be_hovered) {
-                        if (simple_selector.type == CSS::Selector::SimpleSelector::Type::PseudoClass && simple_selector.pseudo_class().type == CSS::PseudoClass::Hover) {
-                            matching_rule.must_be_hovered = true;
-                        }
-                        if (simple_selector.type == CSS::Selector::SimpleSelector::Type::PseudoClass
-                            && (simple_selector.pseudo_class().type == CSS::PseudoClass::Is
-                                || simple_selector.pseudo_class().type == CSS::PseudoClass::Where)) {
-                            auto const& argument_selectors = simple_selector.pseudo_class().argument_selector_list;
-
-                            if (argument_selectors.size() == 1) {
-                                auto const& simple_argument_selector = argument_selectors.first()->compound_selectors().last().simple_selectors.last();
-                                if (simple_argument_selector.type == CSS::Selector::SimpleSelector::Type::PseudoClass
-                                    && simple_argument_selector.pseudo_class().type == CSS::PseudoClass::Hover) {
-                                    matching_rule.must_be_hovered = true;
-                                }
-                            }
-                        }
-                    }
                 }
 
                 if (selector.contains_hover_pseudo_class()) {
diff --git a/Libraries/LibWeb/CSS/StyleComputer.h b/Libraries/LibWeb/CSS/StyleComputer.h
index 3859ffdda27..cf6d7feb479 100644
--- a/Libraries/LibWeb/CSS/StyleComputer.h
+++ b/Libraries/LibWeb/CSS/StyleComputer.h
@@ -86,7 +86,6 @@ struct MatchingRule {
     u32 specificity { 0 };
     CascadeOrigin cascade_origin;
     bool contains_pseudo_element { false };
-    bool must_be_hovered { false };
 
     // Helpers to deal with the fact that `rule` might be a CSSStyleRule or a CSSNestedDeclarations
     CSSStyleProperties const& declaration() const;