diff --git a/Userland/Libraries/LibWeb/DOM/Comment.cpp b/Userland/Libraries/LibWeb/DOM/Comment.cpp
index 4bb02c55ec..1cbe7fefeb 100644
--- a/Userland/Libraries/LibWeb/DOM/Comment.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Comment.cpp
@@ -11,13 +11,13 @@
 
 namespace Web::DOM {
 
-Comment::Comment(Document& document, DeprecatedString const& data)
-    : CharacterData(document, NodeType::COMMENT_NODE, data)
+Comment::Comment(Document& document, String const& data)
+    : CharacterData(document, NodeType::COMMENT_NODE, data.to_deprecated_string())
 {
 }
 
 // https://dom.spec.whatwg.org/#dom-comment-comment
-WebIDL::ExceptionOr<JS::NonnullGCPtr<Comment>> Comment::construct_impl(JS::Realm& realm, DeprecatedString const& data)
+WebIDL::ExceptionOr<JS::NonnullGCPtr<Comment>> Comment::construct_impl(JS::Realm& realm, String const& data)
 {
     auto& window = verify_cast<HTML::Window>(realm.global_object());
     return realm.heap().allocate<Comment>(realm, window.associated_document(), data);
diff --git a/Userland/Libraries/LibWeb/DOM/Comment.h b/Userland/Libraries/LibWeb/DOM/Comment.h
index cc2dd74370..f654d157f7 100644
--- a/Userland/Libraries/LibWeb/DOM/Comment.h
+++ b/Userland/Libraries/LibWeb/DOM/Comment.h
@@ -15,13 +15,13 @@ class Comment final : public CharacterData {
     WEB_PLATFORM_OBJECT(Comment, CharacterData);
 
 public:
-    static WebIDL::ExceptionOr<JS::NonnullGCPtr<Comment>> construct_impl(JS::Realm&, DeprecatedString const& data);
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<Comment>> construct_impl(JS::Realm&, String const& data);
     virtual ~Comment() override = default;
 
     virtual DeprecatedFlyString node_name() const override { return "#comment"; }
 
 private:
-    Comment(Document&, DeprecatedString const&);
+    Comment(Document&, String const&);
 
     virtual void initialize(JS::Realm&) override;
 };
diff --git a/Userland/Libraries/LibWeb/DOM/Comment.idl b/Userland/Libraries/LibWeb/DOM/Comment.idl
index 39349af25b..bb3728dbf3 100644
--- a/Userland/Libraries/LibWeb/DOM/Comment.idl
+++ b/Userland/Libraries/LibWeb/DOM/Comment.idl
@@ -1,7 +1,7 @@
 #import <DOM/CharacterData.idl>
 
 // https://dom.spec.whatwg.org/#comment
-[Exposed=Window, UseDeprecatedAKString]
+[Exposed=Window]
 interface Comment : CharacterData {
     constructor(optional DOMString data = "");
 };
diff --git a/Userland/Libraries/LibWeb/DOM/Document.cpp b/Userland/Libraries/LibWeb/DOM/Document.cpp
index 5303309a3d..8f2e905074 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Document.cpp
@@ -1427,7 +1427,7 @@ JS::NonnullGCPtr<Text> Document::create_text_node(DeprecatedString const& data)
 
 JS::NonnullGCPtr<Comment> Document::create_comment(DeprecatedString const& data)
 {
-    return heap().allocate<Comment>(realm(), *this, data);
+    return heap().allocate<Comment>(realm(), *this, MUST(String::from_deprecated_string(data)));
 }
 
 // https://dom.spec.whatwg.org/#dom-document-createprocessinginstruction
diff --git a/Userland/Libraries/LibWeb/DOM/Node.cpp b/Userland/Libraries/LibWeb/DOM/Node.cpp
index 4cd4895e7e..f7e7ee5720 100644
--- a/Userland/Libraries/LibWeb/DOM/Node.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Node.cpp
@@ -812,7 +812,7 @@ JS::NonnullGCPtr<Node> Node::clone_node(Document* document, bool clone_children)
         auto comment = verify_cast<Comment>(this);
 
         // Set copy’s data to that of node.
-        auto comment_copy = heap().allocate<Comment>(realm(), *document, comment->data());
+        auto comment_copy = heap().allocate<Comment>(realm(), *document, MUST(String::from_deprecated_string(comment->data())));
         copy = move(comment_copy);
     } else if (is<ProcessingInstruction>(this)) {
         // ProcessingInstruction
diff --git a/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp b/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
index c60e55a907..d451f2804f 100644
--- a/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
@@ -490,7 +490,7 @@ void HTMLParser::handle_initial(HTMLToken& token)
     }
 
     if (token.is_comment()) {
-        auto comment = realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment());
+        auto comment = realm().heap().allocate<DOM::Comment>(realm(), document(), MUST(String::from_deprecated_string(token.comment())));
         MUST(document().append_child(*comment));
         return;
     }
@@ -525,7 +525,7 @@ void HTMLParser::handle_before_html(HTMLToken& token)
     // -> A comment token
     if (token.is_comment()) {
         // Insert a comment as the last child of the Document object.
-        auto comment = realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment());
+        auto comment = realm().heap().allocate<DOM::Comment>(realm(), document(), MUST(String::from_deprecated_string(token.comment())));
         MUST(document().append_child(*comment));
         return;
     }
@@ -822,7 +822,7 @@ AnythingElse:
 void HTMLParser::insert_comment(HTMLToken& token)
 {
     auto adjusted_insertion_location = find_appropriate_place_for_inserting_node();
-    adjusted_insertion_location.parent->insert_before(realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment()), adjusted_insertion_location.insert_before_sibling);
+    adjusted_insertion_location.parent->insert_before(realm().heap().allocate<DOM::Comment>(realm(), document(), MUST(String::from_deprecated_string(token.comment()))), adjusted_insertion_location.insert_before_sibling);
 }
 
 void HTMLParser::handle_in_head(HTMLToken& token)
@@ -1142,7 +1142,7 @@ void HTMLParser::handle_after_body(HTMLToken& token)
 
     if (token.is_comment()) {
         auto& insertion_location = m_stack_of_open_elements.first();
-        MUST(insertion_location.append_child(realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment())));
+        MUST(insertion_location.append_child(realm().heap().allocate<DOM::Comment>(realm(), document(), MUST(String::from_deprecated_string(token.comment())))));
         return;
     }
 
@@ -1178,7 +1178,7 @@ void HTMLParser::handle_after_body(HTMLToken& token)
 void HTMLParser::handle_after_after_body(HTMLToken& token)
 {
     if (token.is_comment()) {
-        auto comment = realm().heap().allocate<DOM::Comment>(realm(), document(), token.comment());
+        auto comment = realm().heap().allocate<DOM::Comment>(realm(), document(), MUST(String::from_deprecated_string(token.comment())));
         MUST(document().append_child(*comment));
         return;
     }
@@ -3407,7 +3407,7 @@ void HTMLParser::handle_after_frameset(HTMLToken& token)
 void HTMLParser::handle_after_after_frameset(HTMLToken& token)
 {
     if (token.is_comment()) {
-        auto comment = document().heap().allocate<DOM::Comment>(document().realm(), document(), token.comment());
+        auto comment = document().heap().allocate<DOM::Comment>(document().realm(), document(), MUST(String::from_deprecated_string(token.comment())));
         MUST(document().append_child(comment));
         return;
     }