diff --git a/UI/Qt/BrowserWindow.h b/UI/Qt/BrowserWindow.h
index 4eda9111609..55b31611a5a 100644
--- a/UI/Qt/BrowserWindow.h
+++ b/UI/Qt/BrowserWindow.h
@@ -24,6 +24,7 @@
 
 namespace Ladybird {
 
+class Tab;
 class WebContentView;
 
 class BrowserWindow : public QMainWindow {
diff --git a/UI/Qt/FindInPageWidget.h b/UI/Qt/FindInPageWidget.h
index 9018a196399..cfb60e30b97 100644
--- a/UI/Qt/FindInPageWidget.h
+++ b/UI/Qt/FindInPageWidget.h
@@ -17,6 +17,7 @@
 
 namespace Ladybird {
 
+class Tab;
 class WebContentView;
 
 class FindInPageWidget final : public QWidget {
diff --git a/UI/Qt/WebContentView.h b/UI/Qt/WebContentView.h
index 0763ff3d81b..de2c351b15a 100644
--- a/UI/Qt/WebContentView.h
+++ b/UI/Qt/WebContentView.h
@@ -27,22 +27,10 @@
 #include <QWidget>
 
 class QKeyEvent;
-class QLineEdit;
 class QSinglePointEvent;
-class QTextEdit;
-
-namespace WebView {
-
-class WebContentClient;
-
-}
-
-using WebView::WebContentClient;
 
 namespace Ladybird {
 
-class Tab;
-
 struct WebContentViewInitialState {
     double maximum_frames_per_second { 60.0 };
 };