diff --git a/test_regress/t/t_class_dead.pl b/test_regress/t/t_opt_dead.pl
similarity index 100%
rename from test_regress/t/t_class_dead.pl
rename to test_regress/t/t_opt_dead.pl
diff --git a/test_regress/t/t_class_dead.v b/test_regress/t/t_opt_dead.v
similarity index 100%
rename from test_regress/t/t_class_dead.v
rename to test_regress/t/t_opt_dead.v