1 files changed, 4 insertions, 2 deletions
diff --git a/ui/qt/column_preferences_frame.h b/ui/qt/column_preferences_frame.h
index 08845d6ac5..adca04c0b3 100644
--- a/ui/qt/column_preferences_frame.h
+++ b/ui/qt/column_preferences_frame.h
@@ -23,8 +23,10 @@
 #define COLUMN_PREFERENCES_FRAME_H
 
 #include <QFrame>
-#include <QComboBox>
-#include <QTreeWidgetItem>
+
+class QComboBox;
+class QLineEdit;
+class QTreeWidgetItem;
 
 namespace Ui {
 class ColumnPreferencesFrame;