diff --git a/AK/StringImpl.h b/AK/StringImpl.h
index babca34e10..825b17af4b 100644
--- a/AK/StringImpl.h
+++ b/AK/StringImpl.h
@@ -1,8 +1,9 @@
 #pragma once
 
-#include "RetainPtr.h"
-#include "Retainable.h"
-#include "Types.h"
+#include <AK/RetainPtr.h>
+#include <AK/Retainable.h>
+#include <AK/Types.h>
+#include <AK/kmalloc.h>
 
 namespace AK {
 
@@ -19,6 +20,11 @@ public:
     Retained<StringImpl> to_lowercase() const;
     Retained<StringImpl> to_uppercase() const;
 
+    void operator delete(void* ptr)
+    {
+        kfree(ptr);
+    }
+
     static StringImpl& the_empty_stringimpl();
 
     ~StringImpl();