diff --git a/lldb/include/lldb/Utility/NonNullSharedPtr.h b/lldb/include/lldb/Utility/NonNullSharedPtr.h
index d084e79759d1b..e0da293b9629e 100644
--- a/lldb/include/lldb/Utility/NonNullSharedPtr.h
+++ b/lldb/include/lldb/Utility/NonNullSharedPtr.h
@@ -56,7 +56,6 @@ template <typename T> class NonNullSharedPtr : private std::shared_ptr<T> {
   using Base::operator*;
   using Base::operator->;
   using Base::get;
-  using Base::unique;
   using Base::use_count;
   using Base::operator bool;