diff --git a/Userland/Libraries/LibWeb/DOM/ElementFactory.cpp b/Userland/Libraries/LibWeb/DOM/ElementFactory.cpp
index 397001cb2d..8019a2fc91 100644
--- a/Userland/Libraries/LibWeb/DOM/ElementFactory.cpp
+++ b/Userland/Libraries/LibWeb/DOM/ElementFactory.cpp
@@ -427,7 +427,7 @@ static JS::NonnullGCPtr<Element> create_html_element(JS::Realm& realm, Document&
 
 static JS::GCPtr<SVG::SVGElement> create_svg_element(JS::Realm& realm, Document& document, QualifiedName qualified_name)
 {
-    auto const& local_name = qualified_name.local_name().to_deprecated_fly_string();
+    auto const& local_name = qualified_name.local_name();
 
     if (local_name == SVG::TagNames::svg)
         return realm.heap().allocate<SVG::SVGSVGElement>(realm, document, move(qualified_name));
diff --git a/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp b/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
index 79bea0298a..0d1f0df0b3 100644
--- a/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
@@ -3514,7 +3514,7 @@ void HTMLParser::process_using_the_rules_for_foreign_content(HTMLToken& token)
         if (token.is_self_closing()) {
 
             // -> If the token's tag name is "script", and the new current node is in the SVG namespace
-            if (token.tag_name().to_deprecated_fly_string() == SVG::TagNames::script && current_node().namespace_() == Namespace::SVG) {
+            if (token.tag_name() == SVG::TagNames::script && current_node().namespace_() == Namespace::SVG) {
                 // Acknowledge the token's self-closing flag, and then act as described in the steps for a "script" end tag below.
                 token.acknowledge_self_closing_flag_if_set();
                 goto ScriptEndTag;
@@ -3531,7 +3531,7 @@ void HTMLParser::process_using_the_rules_for_foreign_content(HTMLToken& token)
     }
 
     // -> An end tag whose tag name is "script", if the current node is an SVG script element
-    if (token.is_end_tag() && current_node().namespace_() == Namespace::SVG && current_node().tag_name().to_deprecated_fly_string() == SVG::TagNames::script) {
+    if (token.is_end_tag() && current_node().namespace_() == Namespace::SVG && current_node().tag_name() == SVG::TagNames::script) {
     ScriptEndTag:
         // Pop the current node off the stack of open elements.
         (void)m_stack_of_open_elements.pop();
diff --git a/Userland/Libraries/LibWeb/SVG/TagNames.cpp b/Userland/Libraries/LibWeb/SVG/TagNames.cpp
index a9ce352902..9c7731f09c 100644
--- a/Userland/Libraries/LibWeb/SVG/TagNames.cpp
+++ b/Userland/Libraries/LibWeb/SVG/TagNames.cpp
@@ -8,7 +8,7 @@
 
 namespace Web::SVG::TagNames {
 
-#define __ENUMERATE_SVG_TAG(name) DeprecatedFlyString name;
+#define __ENUMERATE_SVG_TAG(name) FlyString name;
 ENUMERATE_SVG_TAGS
 #undef __ENUMERATE_SVG_TAG
 
@@ -17,7 +17,7 @@ void initialize_strings()
     static bool s_initialized = false;
     VERIFY(!s_initialized);
 
-#define __ENUMERATE_SVG_TAG(name) name = #name;
+#define __ENUMERATE_SVG_TAG(name) name = #name##_fly_string;
     ENUMERATE_SVG_TAGS
 #undef __ENUMERATE_SVG_TAG
 
diff --git a/Userland/Libraries/LibWeb/SVG/TagNames.h b/Userland/Libraries/LibWeb/SVG/TagNames.h
index ae40284635..8a6a21c22c 100644
--- a/Userland/Libraries/LibWeb/SVG/TagNames.h
+++ b/Userland/Libraries/LibWeb/SVG/TagNames.h
@@ -6,8 +6,8 @@
 
 #pragma once
 
-#include <AK/DeprecatedFlyString.h>
 #include <AK/Error.h>
+#include <AK/FlyString.h>
 
 namespace Web::SVG::TagNames {
 
@@ -40,7 +40,7 @@ namespace Web::SVG::TagNames {
     __ENUMERATE_SVG_TAG(title)          \
     __ENUMERATE_SVG_TAG(use)
 
-#define __ENUMERATE_SVG_TAG(name) extern DeprecatedFlyString name;
+#define __ENUMERATE_SVG_TAG(name) extern FlyString name;
 ENUMERATE_SVG_TAGS
 #undef __ENUMERATE_SVG_TAG