diff --git a/Userland/Libraries/LibWeb/CSS/CSSImportRule.cpp b/Userland/Libraries/LibWeb/CSS/CSSImportRule.cpp
index 4eaaa97de4..bd7c2ade3c 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSImportRule.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSImportRule.cpp
@@ -12,6 +12,7 @@
 #include <LibWeb/Bindings/Intrinsics.h>
 #include <LibWeb/CSS/CSSImportRule.h>
 #include <LibWeb/CSS/Parser/Parser.h>
+#include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/Window.h>
 #include <LibWeb/Loader/ResourceLoader.h>
diff --git a/Userland/Libraries/LibWeb/CSS/CSSStyleSheet.cpp b/Userland/Libraries/LibWeb/CSS/CSSStyleSheet.cpp
index 489da6a6ae..8a05413f46 100644
--- a/Userland/Libraries/LibWeb/CSS/CSSStyleSheet.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSStyleSheet.cpp
@@ -8,6 +8,7 @@
 #include <LibWeb/Bindings/Intrinsics.h>
 #include <LibWeb/CSS/CSSStyleSheet.h>
 #include <LibWeb/CSS/Parser/Parser.h>
+#include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/CSS/StyleSheetList.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/WebIDL/ExceptionOr.h>
diff --git a/Userland/Libraries/LibWeb/CSS/MediaQuery.cpp b/Userland/Libraries/LibWeb/CSS/MediaQuery.cpp
index ef6c576a53..3e4eea527b 100644
--- a/Userland/Libraries/LibWeb/CSS/MediaQuery.cpp
+++ b/Userland/Libraries/LibWeb/CSS/MediaQuery.cpp
@@ -6,6 +6,7 @@
 
 #include <LibWeb/CSS/MediaQuery.h>
 #include <LibWeb/CSS/Serialize.h>
+#include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/Window.h>
 
diff --git a/Userland/Libraries/LibWeb/CSS/StyleSheetList.cpp b/Userland/Libraries/LibWeb/CSS/StyleSheetList.cpp
index 2ba3d57c92..584b667de8 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleSheetList.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleSheetList.cpp
@@ -7,6 +7,7 @@
 #include <AK/QuickSort.h>
 #include <LibWeb/Bindings/Intrinsics.h>
 #include <LibWeb/Bindings/StyleSheetListPrototype.h>
+#include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/CSS/StyleSheetList.h>
 #include <LibWeb/DOM/Document.h>
 
diff --git a/Userland/Libraries/LibWeb/DOM/Document.h b/Userland/Libraries/LibWeb/DOM/Document.h
index b3a922200c..36a325fe2c 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.h
+++ b/Userland/Libraries/LibWeb/DOM/Document.h
@@ -18,7 +18,6 @@
 #include <LibCore/Forward.h>
 #include <LibJS/Forward.h>
 #include <LibWeb/CSS/CSSStyleSheet.h>
-#include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/CSS/StyleSheetList.h>
 #include <LibWeb/Cookie/Cookie.h>
 #include <LibWeb/DOM/NonElementParentNode.h>
diff --git a/Userland/Libraries/LibWeb/DOM/Element.cpp b/Userland/Libraries/LibWeb/DOM/Element.cpp
index d4859fd0b1..55f74d3d64 100644
--- a/Userland/Libraries/LibWeb/DOM/Element.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Element.cpp
@@ -14,6 +14,7 @@
 #include <LibWeb/CSS/PropertyID.h>
 #include <LibWeb/CSS/ResolvedCSSStyleDeclaration.h>
 #include <LibWeb/CSS/SelectorEngine.h>
+#include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/DOM/DOMTokenList.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Element.h>
diff --git a/Userland/Libraries/LibWeb/DOM/Element.h b/Userland/Libraries/LibWeb/DOM/Element.h
index 3a7f4ece2e..864716dd04 100644
--- a/Userland/Libraries/LibWeb/DOM/Element.h
+++ b/Userland/Libraries/LibWeb/DOM/Element.h
@@ -13,7 +13,6 @@
 #include <LibWeb/Bindings/ShadowRootPrototype.h>
 #include <LibWeb/Bindings/WindowGlobalMixin.h>
 #include <LibWeb/CSS/CSSStyleDeclaration.h>
-#include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/DOM/Attr.h>
 #include <LibWeb/DOM/ChildNode.h>
 #include <LibWeb/DOM/NamedNodeMap.h>
diff --git a/Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp b/Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp
index 77a86795a7..c95f7853d1 100644
--- a/Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp
+++ b/Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp
@@ -9,6 +9,7 @@
 #include <AK/Error.h>
 #include <AK/Optional.h>
 #include <AK/TemporaryChange.h>
+#include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/CSS/StyleValues/DisplayStyleValue.h>
 #include <LibWeb/CSS/StyleValues/IdentifierStyleValue.h>
 #include <LibWeb/CSS/StyleValues/PercentageStyleValue.h>
diff --git a/Userland/Services/WebContent/ConnectionFromClient.cpp b/Userland/Services/WebContent/ConnectionFromClient.cpp
index dd23187a42..329d08953f 100644
--- a/Userland/Services/WebContent/ConnectionFromClient.cpp
+++ b/Userland/Services/WebContent/ConnectionFromClient.cpp
@@ -18,6 +18,7 @@
 #include <LibJS/Heap/Heap.h>
 #include <LibJS/Runtime/ConsoleObject.h>
 #include <LibWeb/Bindings/MainThreadVM.h>
+#include <LibWeb/CSS/StyleComputer.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/Dump.h>
 #include <LibWeb/HTML/BrowsingContext.h>