diff --git a/src/intel/blorp/blorp_clear.c b/src/intel/blorp/blorp_clear.c
index 329161da55b..8e4b9b45e7d 100644
--- a/src/intel/blorp/blorp_clear.c
+++ b/src/intel/blorp/blorp_clear.c
@@ -550,14 +550,11 @@ blorp_fast_clear(struct blorp_batch *batch,
          size_B = end_tile_B - start_tile_B;
          addr.offset += start_tile_B;
       } else if (isl_tiling_is_64(surf->surf->tiling)) {
-         /* If not supported above, clear the range without redescription. If
-          * the image is 3D, redescription is not possible because multiple
-          * depth slices are non-trivially interleaved into one plane. If the
-          * image is part of a miptail, there should be no benefit from
-          * redescription.
+         /* If not supported above, clear the range without redescription.
+          * Thankfully, we haven't run into this outside of conformance tests.
           */
-         assert(surf->surf->logical_level0_px.d > 1 ||
-                level <= surf->surf->miptail_start_level);
+         assert(surf->surf->levels > 1 ||
+                surf->surf->logical_level0_px.d != num_layers);
       } else if (level == 0 && start_layer == 0 && num_layers == 1) {
          assert(surf->surf->tiling == ISL_TILING_4 ||
                 surf->surf->tiling == ISL_TILING_Y0);