diff --git a/Userland/Applications/SystemMonitor/ProcessStateWidget.cpp b/Userland/Applications/SystemMonitor/ProcessStateWidget.cpp
index bfe9706b75..b988547d43 100644
--- a/Userland/Applications/SystemMonitor/ProcessStateWidget.cpp
+++ b/Userland/Applications/SystemMonitor/ProcessStateWidget.cpp
@@ -10,7 +10,6 @@
 #include <LibGUI/BoxLayout.h>
 #include <LibGUI/HeaderView.h>
 #include <LibGUI/Painter.h>
-#include <LibGUI/SortingProxyModel.h>
 #include <LibGUI/TableView.h>
 #include <LibGfx/FontDatabase.h>
 #include <LibGfx/Palette.h>