diff --git a/local-cluster/tests/local_cluster.rs b/local-cluster/tests/local_cluster.rs
index 6e7a241580..f5c7631e98 100644
--- a/local-cluster/tests/local_cluster.rs
+++ b/local-cluster/tests/local_cluster.rs
@@ -2848,12 +2848,14 @@ fn test_hard_fork_invalidates_tower() {
 
 #[test]
 #[serial]
+#[ignore]
 fn test_no_optimistic_confirmation_violation_with_tower() {
     do_test_optimistic_confirmation_violation_with_or_without_tower(true);
 }
 
 #[test]
 #[serial]
+#[ignore]
 fn test_optimistic_confirmation_violation_without_tower() {
     do_test_optimistic_confirmation_violation_with_or_without_tower(false);
 }