diff --git a/Userland/Applications/Piano/ProcessorParameterWidget/ParameterWidget.h b/Userland/Applications/Piano/ProcessorParameterWidget/ParameterWidget.h
index 89baf3c24c2..7c9a06baeb8 100644
--- a/Userland/Applications/Piano/ProcessorParameterWidget/ParameterWidget.h
+++ b/Userland/Applications/Piano/ProcessorParameterWidget/ParameterWidget.h
@@ -7,7 +7,6 @@
 #pragma once
 
 #include <AK/NonnullRefPtr.h>
-#include <AK/StdLibExtraDetails.h>
 #include <LibCore/Object.h>
 #include <LibDSP/ProcessorParameter.h>
 #include <LibGUI/Label.h>