diff --git a/src/Memory/__OptionalUniquePtr.hpp b/src/Memory/__OptionalUniquePtr.hpp
index 19bae5d..b06f955 100644
--- a/src/Memory/__OptionalUniquePtr.hpp
+++ b/src/Memory/__OptionalUniquePtr.hpp
@@ -55,9 +55,6 @@ namespace ArbUt {
         inline bool operator!=(const OptionalUniquePtr& rhs) const noexcept { return _raw != rhs._raw; }
         /// @brief Check equality of pointers
         inline bool operator!=(T* nullable rhs) const noexcept { return _raw != rhs; }
-
-        /// @brief Implicit cast to retrieve raw pointer.
-        inline operator T* nullable() const noexcept { return _raw; }
     };
 }