diff --git a/mountpoint-s3/tests/reftests/harness.rs b/mountpoint-s3/tests/reftests/harness.rs
index 045362024..abbc033c1 100644
--- a/mountpoint-s3/tests/reftests/harness.rs
+++ b/mountpoint-s3/tests/reftests/harness.rs
@@ -768,11 +768,6 @@ mod read_only {
     }
 
     proptest! {
-        #![proptest_config(ProptestConfig {
-            failure_persistence: None,
-            .. ProptestConfig::default()
-        })]
-
         #[test]
         fn reftest_random_tree_full(readdir_limit in 0..10usize, tree in gen_tree(5, 100, 5, 20)) {
             run_test(tree, CheckType::FullTree, readdir_limit);
@@ -915,11 +910,6 @@ mod mutations {
     }
 
     proptest! {
-        #![proptest_config(ProptestConfig {
-            failure_persistence: None,
-            .. ProptestConfig::default()
-        })]
-
         #[test]
         fn reftest_random_tree(tree in gen_tree(5, 100, 5, 20), readdir_limit in 0..10usize, ops in vec(any::<Op>(), 1..10)) {
             run_test(tree, ops, readdir_limit);