diff --git a/AK/NonnullRawPtr.h b/AK/NonnullRawPtr.h
index a271160e0d8..cb596f7af5d 100644
--- a/AK/NonnullRawPtr.h
+++ b/AK/NonnullRawPtr.h
@@ -21,6 +21,7 @@ public:
     using ValueType = T;
 
     NonnullRawPtr() = delete;
+    NonnullRawPtr(T const&&) = delete;
 
     NonnullRawPtr(T& other)
         : m_ptr(&other)