diff --git a/garnet/lib/ui/gfx/tests/pose_buffer_unit_test.cc b/garnet/lib/ui/gfx/tests/pose_buffer_unit_test.cc
index 54517f52b7ba78cb06161aff864209c2f37e4b70..b8b1c4349fff08cf7a6a52f69b1ab963cf7f0a11 100644
--- a/garnet/lib/ui/gfx/tests/pose_buffer_unit_test.cc
+++ b/garnet/lib/ui/gfx/tests/pose_buffer_unit_test.cc
@@ -34,6 +34,8 @@ VK_TEST_F(PoseBufferTest, Validation) {
   auto device = vulkan_queues->vk_device();
   auto physical_device = vulkan_queues->vk_physical_device();
 
+  // TODO(SCN-1369): Scenic may use a different set of bits when creating a
+  // buffer, resulting in a memory pool mismatch.
   const vk::BufferUsageFlags kUsageFlags =
       vk::BufferUsageFlagBits::eTransferSrc |
       vk::BufferUsageFlagBits::eTransferDst |
diff --git a/garnet/lib/ui/gfx/tests/scenic_pixel_test.cc b/garnet/lib/ui/gfx/tests/scenic_pixel_test.cc
index 004f4d40632a84712a6aed502277c7b166467821..c571a58c46d47e8bc21554fe664d6ca2e16b0033 100644
--- a/garnet/lib/ui/gfx/tests/scenic_pixel_test.cc
+++ b/garnet/lib/ui/gfx/tests/scenic_pixel_test.cc
@@ -566,6 +566,8 @@ VK_TEST_F(ScenicPixelTest, PoseBuffer) {
   auto device = vulkan_queues->vk_device();
   auto physical_device = vulkan_queues->vk_physical_device();
 
+  // TODO(SCN-1369): Scenic may use a different set of bits when creating a
+  // buffer, resulting in a memory pool mismatch.
   const vk::BufferUsageFlags kUsageFlags =
       vk::BufferUsageFlagBits::eTransferSrc |
       vk::BufferUsageFlagBits::eTransferDst |