diff --git a/Userland/Libraries/LibWeb/CSS/StyleValue.h b/Userland/Libraries/LibWeb/CSS/StyleValue.h
index 693b6338fb..ece839c8a3 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleValue.h
+++ b/Userland/Libraries/LibWeb/CSS/StyleValue.h
@@ -1377,8 +1377,6 @@ public:
 
     virtual ~ConicGradientStyleValue() override = default;
 
-    CSSPixelPoint resolve_position(Layout::Node const&, CSSPixelRect const&) const;
-
     bool is_repeating() const { return m_repeating == GradientRepeating::Yes; }
 
 private:
diff --git a/Userland/Libraries/LibWeb/DOM/Node.h b/Userland/Libraries/LibWeb/DOM/Node.h
index 0097ea03f3..4c6f99ce9a 100644
--- a/Userland/Libraries/LibWeb/DOM/Node.h
+++ b/Userland/Libraries/LibWeb/DOM/Node.h
@@ -313,8 +313,6 @@ public:
 
     bool is_following(Node const&) const;
 
-    void prepend_child(JS::NonnullGCPtr<Node> node);
-
     Node* next_in_pre_order()
     {
         if (first_child())
diff --git a/Userland/Libraries/LibWeb/HTML/BrowsingContextGroup.h b/Userland/Libraries/LibWeb/HTML/BrowsingContextGroup.h
index f172c1616e..b4bea50e97 100644
--- a/Userland/Libraries/LibWeb/HTML/BrowsingContextGroup.h
+++ b/Userland/Libraries/LibWeb/HTML/BrowsingContextGroup.h
@@ -27,7 +27,6 @@ public:
     auto const& browsing_context_set() const { return m_browsing_context_set; }
 
     void append(BrowsingContext&);
-    void remove(BrowsingContext&);
 
 private:
     explicit BrowsingContextGroup(Web::Page&);
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLImageElement.h b/Userland/Libraries/LibWeb/HTML/HTMLImageElement.h
index 4119f3dad6..316d84e747 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLImageElement.h
+++ b/Userland/Libraries/LibWeb/HTML/HTMLImageElement.h
@@ -51,8 +51,6 @@ private:
     virtual void initialize(JS::Realm&) override;
     virtual void apply_presentational_hints(CSS::StyleProperties&) const override;
 
-    void animate();
-
     virtual JS::GCPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>) override;
 
     ImageLoader m_image_loader;
diff --git a/Userland/Libraries/LibWeb/HTML/WorkerLocation.h b/Userland/Libraries/LibWeb/HTML/WorkerLocation.h
index db8f81587d..bc46999701 100644
--- a/Userland/Libraries/LibWeb/HTML/WorkerLocation.h
+++ b/Userland/Libraries/LibWeb/HTML/WorkerLocation.h
@@ -15,8 +15,6 @@ class WorkerLocation : public Bindings::PlatformObject {
     WEB_PLATFORM_OBJECT(WorkerLocation, Bindings::PlatformObject);
 
 public:
-    static JS::NonnullGCPtr<WorkerLocation> create(WorkerGlobalScope&);
-
     virtual ~WorkerLocation() override;
 
     DeprecatedString href() const;