diff --git a/libcudacxx/include/cuda/__event/event_ref.h b/libcudacxx/include/cuda/__event/event_ref.h
index f5cb46bba30..bdd05ad9686 100644
--- a/libcudacxx/include/cuda/__event/event_ref.h
+++ b/libcudacxx/include/cuda/__event/event_ref.h
@@ -28,7 +28,6 @@
 #  include <cuda/std/__exception/exception_macros.h>
 #  include <cuda/std/cassert>
 #  include <cuda/std/cstddef>
-#  include <cuda/std/utility>
 
 #  include <cuda/std/__cccl/prologue.h>
 
diff --git a/libcudacxx/include/cuda/__stream/launch_transform.h b/libcudacxx/include/cuda/__stream/launch_transform.h
index 464831ab69f..568f4f5a9da 100644
--- a/libcudacxx/include/cuda/__stream/launch_transform.h
+++ b/libcudacxx/include/cuda/__stream/launch_transform.h
@@ -29,6 +29,7 @@
 #  include <cuda/std/__memory/construct_at.h>
 #  include <cuda/std/__new/launder.h>
 #  include <cuda/std/__optional/optional.h>
+#  include <cuda/std/__tuple_dir/ignore.h>
 #  include <cuda/std/__type_traits/decay.h>
 #  include <cuda/std/__type_traits/is_callable.h>
 #  include <cuda/std/__type_traits/is_reference.h>