diff --git a/Userland/Applications/Browser/Tab.cpp b/Userland/Applications/Browser/Tab.cpp
index aaf3bd7209..6fc50f099c 100644
--- a/Userland/Applications/Browser/Tab.cpp
+++ b/Userland/Applications/Browser/Tab.cpp
@@ -47,7 +47,7 @@
 #include <LibGUI/ToolBarContainer.h>
 #include <LibGUI/Window.h>
 #include <LibJS/Interpreter.h>
-#include <LibWeb/CSS/Parser/CSSParser.h>
+#include <LibWeb/CSS/Parser/DeprecatedCSSParser.h>
 #include <LibWeb/DOM/Element.h>
 #include <LibWeb/DOMTreeModel.h>
 #include <LibWeb/Dump.h>
diff --git a/Userland/Libraries/LibWeb/CMakeLists.txt b/Userland/Libraries/LibWeb/CMakeLists.txt
index 15064dbcc1..5d656fd48a 100644
--- a/Userland/Libraries/LibWeb/CMakeLists.txt
+++ b/Userland/Libraries/LibWeb/CMakeLists.txt
@@ -15,7 +15,7 @@ set(SOURCES
     CSS/CSSStyleSheet.cpp
     CSS/DefaultStyleSheetSource.cpp
     CSS/Length.cpp
-    CSS/Parser/CSSParser.cpp
+    CSS/Parser/DeprecatedCSSParser.cpp
     CSS/Parser/Token.cpp
     CSS/Parser/Tokenizer.cpp
     CSS/PropertyID.cpp
diff --git a/Userland/Libraries/LibWeb/CSS/Parser/CSSParser.cpp b/Userland/Libraries/LibWeb/CSS/Parser/DeprecatedCSSParser.cpp
similarity index 99%
rename from Userland/Libraries/LibWeb/CSS/Parser/CSSParser.cpp
rename to Userland/Libraries/LibWeb/CSS/Parser/DeprecatedCSSParser.cpp
index ba7b7815f8..f565186ef2 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/CSSParser.cpp
+++ b/Userland/Libraries/LibWeb/CSS/Parser/DeprecatedCSSParser.cpp
@@ -28,9 +28,8 @@
 #include <LibWeb/CSS/CSSImportRule.h>
 #include <LibWeb/CSS/CSSRule.h>
 #include <LibWeb/CSS/CSSStyleRule.h>
-#include <LibWeb/CSS/Parser/CSSParser.h>
+#include <LibWeb/CSS/Parser/DeprecatedCSSParser.h>
 #include <LibWeb/CSS/PropertyID.h>
-#include <LibWeb/CSS/StyleSheet.h>
 #include <LibWeb/DOM/Document.h>
 #include <ctype.h>
 #include <stdlib.h>
diff --git a/Userland/Libraries/LibWeb/CSS/Parser/CSSParser.h b/Userland/Libraries/LibWeb/CSS/Parser/DeprecatedCSSParser.h
similarity index 100%
rename from Userland/Libraries/LibWeb/CSS/Parser/CSSParser.h
rename to Userland/Libraries/LibWeb/CSS/Parser/DeprecatedCSSParser.h
diff --git a/Userland/Libraries/LibWeb/CSS/StyleResolver.cpp b/Userland/Libraries/LibWeb/CSS/StyleResolver.cpp
index 9db7a220ae..c234e42b5f 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleResolver.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleResolver.cpp
@@ -27,7 +27,7 @@
 
 #include <AK/QuickSort.h>
 #include <LibWeb/CSS/CSSStyleRule.h>
-#include <LibWeb/CSS/Parser/CSSParser.h>
+#include <LibWeb/CSS/Parser/DeprecatedCSSParser.h>
 #include <LibWeb/CSS/SelectorEngine.h>
 #include <LibWeb/CSS/StyleResolver.h>
 #include <LibWeb/CSS/StyleSheet.h>
diff --git a/Userland/Libraries/LibWeb/DOM/Element.cpp b/Userland/Libraries/LibWeb/DOM/Element.cpp
index 24b063d5cd..b506948e1c 100644
--- a/Userland/Libraries/LibWeb/DOM/Element.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Element.cpp
@@ -26,7 +26,7 @@
 
 #include <AK/AnyOf.h>
 #include <AK/StringBuilder.h>
-#include <LibWeb/CSS/Parser/CSSParser.h>
+#include <LibWeb/CSS/Parser/DeprecatedCSSParser.h>
 #include <LibWeb/CSS/PropertyID.h>
 #include <LibWeb/CSS/StyleInvalidator.h>
 #include <LibWeb/CSS/StyleResolver.h>
diff --git a/Userland/Libraries/LibWeb/DOM/ParentNode.cpp b/Userland/Libraries/LibWeb/DOM/ParentNode.cpp
index 42f435c19e..8053f110ac 100644
--- a/Userland/Libraries/LibWeb/DOM/ParentNode.cpp
+++ b/Userland/Libraries/LibWeb/DOM/ParentNode.cpp
@@ -24,7 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibWeb/CSS/Parser/CSSParser.h>
+#include <LibWeb/CSS/Parser/DeprecatedCSSParser.h>
 #include <LibWeb/CSS/SelectorEngine.h>
 #include <LibWeb/DOM/ParentNode.h>
 #include <LibWeb/Dump.h>
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp
index 0a0bb989f7..76569c551b 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp
@@ -25,7 +25,7 @@
  */
 
 #include <LibGfx/Bitmap.h>
-#include <LibWeb/CSS/Parser/CSSParser.h>
+#include <LibWeb/CSS/Parser/DeprecatedCSSParser.h>
 #include <LibWeb/CSS/StyleResolver.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Event.h>
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
index 478d569ac9..88ea62c331 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
@@ -27,7 +27,7 @@
 
 #include <AK/ByteBuffer.h>
 #include <AK/URL.h>
-#include <LibWeb/CSS/Parser/CSSParser.h>
+#include <LibWeb/CSS/Parser/DeprecatedCSSParser.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/HTMLLinkElement.h>
 #include <LibWeb/Loader/ResourceLoader.h>
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTableCellElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTableCellElement.cpp
index 7c52d78816..a24333cac7 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTableCellElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTableCellElement.cpp
@@ -24,7 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibWeb/CSS/Parser/CSSParser.h>
+#include <LibWeb/CSS/Parser/DeprecatedCSSParser.h>
 #include <LibWeb/HTML/HTMLTableCellElement.h>
 
 namespace Web::HTML {
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLTableElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLTableElement.cpp
index 53ced4b521..81a3a83fb6 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLTableElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLTableElement.cpp
@@ -24,7 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibWeb/CSS/Parser/CSSParser.h>
+#include <LibWeb/CSS/Parser/DeprecatedCSSParser.h>
 #include <LibWeb/HTML/HTMLTableElement.h>
 
 namespace Web::HTML {
diff --git a/Userland/Libraries/LibWeb/Loader/CSSLoader.cpp b/Userland/Libraries/LibWeb/Loader/CSSLoader.cpp
index c029373ced..dd446af0f4 100644
--- a/Userland/Libraries/LibWeb/Loader/CSSLoader.cpp
+++ b/Userland/Libraries/LibWeb/Loader/CSSLoader.cpp
@@ -27,7 +27,7 @@
 #include <AK/Debug.h>
 #include <AK/URL.h>
 #include <LibWeb/CSS/CSSImportRule.h>
-#include <LibWeb/CSS/Parser/CSSParser.h>
+#include <LibWeb/CSS/Parser/DeprecatedCSSParser.h>
 #include <LibWeb/CSS/StyleSheet.h>
 #include <LibWeb/DOM/Element.h>
 #include <LibWeb/Loader/CSSLoader.h>