diff --git a/src/gallium/drivers/iris/iris_blit.c b/src/gallium/drivers/iris/iris_blit.c
index df212a50ef8..1643e607959 100644
--- a/src/gallium/drivers/iris/iris_blit.c
+++ b/src/gallium/drivers/iris/iris_blit.c
@@ -410,9 +410,6 @@ iris_blit(struct pipe_context *ctx, const struct pipe_blit_info *info)
    enum isl_aux_usage src_aux_usage =
       iris_resource_texture_aux_usage(ice, src_res, src_fmt.fmt);
 
-   if (iris_resource_level_has_hiz(src_res, info->src.level))
-      assert(src_res->surf.format == src_fmt.fmt);
-
    bool src_clear_supported = isl_aux_usage_has_fast_clears(src_aux_usage) &&
                               src_res->surf.format == src_fmt.fmt;
 
diff --git a/src/gallium/drivers/iris/iris_resolve.c b/src/gallium/drivers/iris/iris_resolve.c
index 9a9dea1d5ae..7c2f3ea51a0 100644
--- a/src/gallium/drivers/iris/iris_resolve.c
+++ b/src/gallium/drivers/iris/iris_resolve.c
@@ -812,15 +812,18 @@ iris_resource_texture_aux_usage(struct iris_context *ice,
 
    switch (res->aux.usage) {
    case ISL_AUX_USAGE_HIZ:
+      assert(res->surf.format == view_format);
       if (iris_sample_with_depth_aux(devinfo, res))
          return ISL_AUX_USAGE_HIZ;
       break;
 
    case ISL_AUX_USAGE_HIZ_CCS:
+      assert(res->surf.format == view_format);
       assert(!iris_sample_with_depth_aux(devinfo, res));
       return ISL_AUX_USAGE_NONE;
 
    case ISL_AUX_USAGE_HIZ_CCS_WT:
+      assert(res->surf.format == view_format);
       if (iris_sample_with_depth_aux(devinfo, res))
          return ISL_AUX_USAGE_HIZ_CCS_WT;
       break;