diff --git a/builtin/checkout.c b/builtin/checkout.c
index f4cd7747d35dd1..b5d477919a7438 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -378,9 +378,6 @@ static int checkout_worktree(const struct checkout_opts *opts,
 	if (pc_workers > 1)
 		init_parallel_checkout();
 
-	/* TODO: audit for interaction with sparse-index. */
-	ensure_full_index(&the_index);
-
 	for (pos = 0; pos < active_nr; pos++) {
 		struct cache_entry *ce = active_cache[pos];
 		if (ce->ce_flags & CE_MATCHED) {
@@ -530,8 +527,6 @@ static int checkout_paths(const struct checkout_opts *opts,
 	 * Make sure all pathspecs participated in locating the paths
 	 * to be checked out.
 	 */
-	/* TODO: audit for interaction with sparse-index. */
-	ensure_full_index(&the_index);
 	for (pos = 0; pos < active_nr; pos++)
 		if (opts->overlay_mode)
 			mark_ce_for_checkout_overlay(active_cache[pos],
@@ -1593,6 +1588,9 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
 
 	git_config(git_checkout_config, opts);
 
+	prepare_repo_settings(the_repository);
+	the_repository->settings.command_requires_full_index = 0;
+
 	opts->track = BRANCH_TRACK_UNSPECIFIED;
 
 	if (!opts->accept_pathspec && !opts->accept_ref)
diff --git a/t/t1092-sparse-checkout-compatibility.sh b/t/t1092-sparse-checkout-compatibility.sh
index d3e34d0acaccc9..fde3b41aba8b86 100755
--- a/t/t1092-sparse-checkout-compatibility.sh
+++ b/t/t1092-sparse-checkout-compatibility.sh
@@ -560,7 +560,15 @@ test_expect_success 'sparse-index is not expanded' '
 	echo >>sparse-index/a &&
 	ensure_not_expanded commit --include a -m a &&
 	echo >>sparse-index/deep/deeper1/a &&
-	ensure_not_expanded commit --include deep/deeper1/a -m deeper
+	ensure_not_expanded commit --include deep/deeper1/a -m deeper &&
+	ensure_not_expanded checkout rename-out-to-out &&
+	ensure_not_expanded checkout - &&
+	ensure_not_expanded switch rename-out-to-out &&
+	ensure_not_expanded switch - &&
+	git -C sparse-index reset --hard &&
+	ensure_not_expanded checkout rename-out-to-out -- deep/deeper1 &&
+	git -C sparse-index reset --hard &&
+	ensure_not_expanded restore -s rename-out-to-out -- deep/deeper1
 '
 
 # NEEDSWORK: a sparse-checkout behaves differently from a full checkout