diff --git a/crates/e2e_test/src/archive_download_integrity_test.rs b/crates/e2e_test/src/archive_download_integrity_test.rs
index ac23f5d70..e043c6105 100644
--- a/crates/e2e_test/src/archive_download_integrity_test.rs
+++ b/crates/e2e_test/src/archive_download_integrity_test.rs
@@ -24,7 +24,6 @@ mod tests {
     use rustfs_signer::constants::UNSIGNED_PAYLOAD;
     use rustfs_signer::{pre_sign_v4, sign_v4};
     use s3s::Body;
-    use serial_test::serial;
     use sha2::{Digest, Sha256};
     use std::error::Error;
     use std::io::{Cursor, Write};
@@ -339,7 +338,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_archive_put_allows_content_encoding_by_default() -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
         let mut env = RustFSTestEnvironment::new().await?;
@@ -367,7 +365,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_archive_put_rejects_content_encoding_when_strict_mode_enabled() -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
         let mut env = RustFSTestEnvironment::new().await?;
@@ -391,7 +388,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_archive_put_with_aws_chunked_does_not_persist_content_encoding_by_default()
     -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
@@ -427,7 +423,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_archive_put_with_aws_chunked_and_effective_encoding_roundtrips_by_default()
     -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
@@ -463,7 +458,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_archive_put_with_aws_chunked_allowed_when_strict_mode_enabled() -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
         let mut env = RustFSTestEnvironment::new().await?;
@@ -498,7 +492,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_archive_put_with_aws_chunked_and_effective_encoding_rejects_when_strict_mode_enabled()
     -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
@@ -529,7 +522,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_archive_download_roundtrip_with_http_compression_enabled() -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
         let mut env = RustFSTestEnvironment::new().await?;
@@ -591,7 +583,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_archive_multipart_roundtrip_preserves_bytes() -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
         let mut env = RustFSTestEnvironment::new().await?;
@@ -687,7 +678,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_multipart_get_ignores_empty_conditional_etag_headers() -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
         let mut env = RustFSTestEnvironment::new().await?;
@@ -723,7 +713,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_archive_multipart_with_aws_chunked_and_effective_encoding_roundtrips_by_default()
     -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
@@ -753,7 +742,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_archive_multipart_with_aws_chunked_allowed_when_strict_mode_enabled() -> Result<(), Box<dyn Error + Send + Sync>>
     {
         init_logging();
@@ -783,7 +771,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_archive_multipart_with_aws_chunked_and_effective_encoding_rejects_when_strict_mode_enabled()
     -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
@@ -816,7 +803,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_presigned_get_and_reverse_proxy_preserve_multipart_bytes() -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
         let mut env = RustFSTestEnvironment::new().await?;
diff --git a/crates/e2e_test/src/list_objects_v2_pagination_test.rs b/crates/e2e_test/src/list_objects_v2_pagination_test.rs
index c970713d8..70b00467b 100644
--- a/crates/e2e_test/src/list_objects_v2_pagination_test.rs
+++ b/crates/e2e_test/src/list_objects_v2_pagination_test.rs
@@ -30,7 +30,6 @@ mod tests {
     use crate::common::{RustFSTestEnvironment, init_logging};
     use aws_sdk_s3::Client;
     use aws_sdk_s3::primitives::ByteStream;
-    use serial_test::serial;
     use std::collections::HashSet;
     use tracing::info;
 
@@ -61,7 +60,6 @@ mod tests {
     /// Test for Issue #2775: continuation forwarding must not
     /// skip a child directory when the prefix component repeats in the key.
     #[tokio::test]
-    #[serial]
     async fn test_list_objects_v2_repeated_prefix_continuation() {
         init_logging();
         info!("Starting test: ListObjectsV2 repeated-prefix continuation");
@@ -187,7 +185,6 @@ mod tests {
     /// This is the core bug from issue #1596: the server was returning
     /// IsTruncated=true even when all objects fit within the requested max_keys.
     #[tokio::test]
-    #[serial]
     async fn test_list_objects_v2_not_truncated_when_all_objects_returned() {
         init_logging();
         info!("Starting test: ListObjectsV2 should not be truncated when all objects fit within max_keys");
@@ -252,7 +249,6 @@ mod tests {
     /// 2. NextContinuationToken is returned (not NextMarker)
     /// 3. Using ContinuationToken fetches the remaining objects
     #[tokio::test]
-    #[serial]
     async fn test_list_objects_v2_pagination_with_continuation_token() {
         init_logging();
         info!("Starting test: ListObjectsV2 pagination with continuation token");
@@ -394,7 +390,6 @@ mod tests {
     /// Edge case: when max_keys exactly equals the number of objects,
     /// IsTruncated should be false.
     #[tokio::test]
-    #[serial]
     async fn test_list_objects_v2_max_keys_equals_object_count() {
         init_logging();
         info!("Starting test: ListObjectsV2 with max_keys equal to object count");
@@ -455,7 +450,6 @@ mod tests {
     ///
     /// Edge case: IsTruncated should be false for empty bucket.
     #[tokio::test]
-    #[serial]
     async fn test_list_objects_v2_empty_bucket() {
         init_logging();
         info!("Starting test: ListObjectsV2 with empty bucket");
@@ -495,7 +489,6 @@ mod tests {
 
     /// Test ListObjectsV2 caps max_keys above the service limit and still paginates.
     #[tokio::test]
-    #[serial]
     async fn test_list_objects_v2_max_keys_above_limit_returns_token() {
         init_logging();
         info!("Starting test: ListObjectsV2 with max_keys above limit");
@@ -563,7 +556,6 @@ mod tests {
     /// S3 semantics: when max_keys is 0, the response should include no objects
     /// and IsTruncated should be false.
     #[tokio::test]
-    #[serial]
     async fn test_list_objects_v2_max_keys_zero() {
         init_logging();
         info!("Starting test: ListObjectsV2 with max_keys=0");
@@ -620,7 +612,6 @@ mod tests {
     /// With max_keys=1000, all 5 visible results (3 prefixes + 2 objects) fit in one
     /// page, so IsTruncated must be false even though raw entry count is much larger.
     #[tokio::test]
-    #[serial]
     async fn test_list_objects_v2_delimiter_collapsed_prefix_no_false_truncation() {
         init_logging();
         info!("Starting test: ListObjectsV2 delimiter collapsed-prefix no false truncation");
@@ -744,7 +735,6 @@ mod tests {
     /// Each page returns up to 50 CommonPrefixes. The server must correctly set
     /// IsTruncated and provide a valid continuation token across all pages.
     #[tokio::test]
-    #[serial]
     async fn test_list_objects_v2_delimiter_small_page_traverses_all() {
         init_logging();
         info!("Starting test: ListObjectsV2 delimiter small page traverses all keys");
@@ -867,7 +857,6 @@ mod tests {
     /// but after delimiter collapse only 10 CommonPrefixes are visible (10 < 1000).
     /// IsTruncated must be false since there are no additional visible results.
     #[tokio::test]
-    #[serial]
     async fn test_list_objects_v2_raw_exceeds_maxkeys_but_visible_below() {
         init_logging();
         info!("Starting test: ListObjectsV2 raw > MaxKeys but visible < MaxKeys after collapse");
@@ -970,7 +959,6 @@ mod tests {
     /// This complements test_list_objects_v2_max_keys_above_limit_returns_token which
     /// tests the non-delimiter case.
     #[tokio::test]
-    #[serial]
     async fn test_list_objects_v2_maxkeys_above_limit_with_delimiter() {
         init_logging();
         info!("Starting test: ListObjectsV2 MaxKeys above limit with delimiter");
@@ -1041,7 +1029,6 @@ mod tests {
     /// the next page: with keys `a`, `a.txt`, `zz` and max_keys=1, page 2
     /// returned `zz` and `a.txt` was never listed.
     #[tokio::test]
-    #[serial]
     async fn test_list_objects_v2_continuation_keeps_keys_after_marker_stem() {
         init_logging();
         info!("Starting test: continuation must not skip keys sorting below the cursor tag");
diff --git a/crates/e2e_test/src/object_lambda_test.rs b/crates/e2e_test/src/object_lambda_test.rs
index 69d2e46ef..66f259e6d 100644
--- a/crates/e2e_test/src/object_lambda_test.rs
+++ b/crates/e2e_test/src/object_lambda_test.rs
@@ -20,7 +20,6 @@ use rustfs_signer::constants::UNSIGNED_PAYLOAD;
 use rustfs_signer::{pre_sign_v4, sign_v4};
 use rustfs_utils::egress::ENV_OUTBOUND_ALLOW_ORIGINS;
 use s3s::Body;
-use serial_test::serial;
 use std::collections::HashMap;
 use std::error::Error;
 use time::OffsetDateTime;
@@ -548,7 +547,6 @@ async fn read_listen_notification_event(
 }
 
 #[tokio::test]
-#[serial]
 async fn test_notification_target_persists_across_restart_and_delete() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -608,7 +606,6 @@ async fn test_notification_target_persists_across_restart_and_delete() -> Result
 }
 
 #[tokio::test]
-#[serial]
 async fn test_notification_target_with_path_is_online_via_transport_probe() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -641,7 +638,6 @@ async fn test_notification_target_with_path_is_online_via_transport_probe() -> R
 }
 
 #[tokio::test]
-#[serial]
 async fn test_get_object_lambda_accepts_presigned_requests() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -682,7 +678,6 @@ async fn test_get_object_lambda_accepts_presigned_requests() -> Result<(), Box<d
 }
 
 #[tokio::test]
-#[serial]
 async fn test_get_object_lambda_accepts_named_webhook_target_arn() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -722,7 +717,6 @@ async fn test_get_object_lambda_accepts_named_webhook_target_arn() -> Result<(),
 }
 
 #[tokio::test]
-#[serial]
 async fn test_get_object_lambda_invokes_runtime_webhook_target() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -790,7 +784,6 @@ async fn test_get_object_lambda_invokes_runtime_webhook_target() -> Result<(), B
 }
 
 #[tokio::test]
-#[serial]
 async fn test_get_object_lambda_passthroughs_non_success_webhook_response() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -850,7 +843,6 @@ async fn test_get_object_lambda_passthroughs_non_success_webhook_response() -> R
 }
 
 #[tokio::test]
-#[serial]
 async fn test_get_object_lambda_rejects_success_response_without_auth_headers() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -896,7 +888,6 @@ async fn test_get_object_lambda_rejects_success_response_without_auth_headers()
 }
 
 #[tokio::test]
-#[serial]
 async fn test_get_object_lambda_rejects_success_response_with_mismatched_auth_headers() -> Result<(), Box<dyn Error + Send + Sync>>
 {
     init_logging();
@@ -943,7 +934,6 @@ async fn test_get_object_lambda_rejects_success_response_with_mismatched_auth_he
 }
 
 #[tokio::test]
-#[serial]
 async fn test_get_object_lambda_rejects_unsupported_target_type() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -980,7 +970,6 @@ async fn test_get_object_lambda_rejects_unsupported_target_type() -> Result<(),
 }
 
 #[tokio::test]
-#[serial]
 async fn test_get_object_lambda_rejects_unconfigured_target() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -1017,7 +1006,6 @@ async fn test_get_object_lambda_rejects_unconfigured_target() -> Result<(), Box<
 }
 
 #[tokio::test]
-#[serial]
 async fn test_get_object_lambda_rejects_disabled_target() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -1063,7 +1051,6 @@ async fn test_get_object_lambda_rejects_disabled_target() -> Result<(), Box<dyn
 }
 
 #[tokio::test]
-#[serial]
 async fn test_configure_object_lambda_target_rejects_invalid_endpoint() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -1106,7 +1093,6 @@ async fn test_configure_object_lambda_target_rejects_invalid_endpoint() -> Resul
 }
 
 #[tokio::test]
-#[serial]
 async fn test_configure_object_lambda_notify_webhook_rejects_response_header_timeout_key()
 -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
@@ -1140,7 +1126,6 @@ async fn test_configure_object_lambda_notify_webhook_rejects_response_header_tim
 }
 
 #[tokio::test]
-#[serial]
 async fn test_listen_notification_emits_after_put_object() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -1184,7 +1169,6 @@ async fn test_listen_notification_emits_after_put_object() -> Result<(), Box<dyn
 }
 
 #[tokio::test]
-#[serial]
 async fn test_listen_notification_emits_on_empty_bucket_when_notify_disabled() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
@@ -1219,7 +1203,6 @@ async fn test_listen_notification_emits_on_empty_bucket_when_notify_disabled() -
 }
 
 #[tokio::test]
-#[serial]
 async fn test_listen_notification_fans_in_remote_node_events() -> Result<(), Box<dyn Error + Send + Sync>> {
     init_logging();
 
diff --git a/crates/e2e_test/src/quota_test.rs b/crates/e2e_test/src/quota_test.rs
index 87eee5f37..e7c095674 100644
--- a/crates/e2e_test/src/quota_test.rs
+++ b/crates/e2e_test/src/quota_test.rs
@@ -15,7 +15,6 @@
 use crate::common::{RustFSTestEnvironment, admin_request, awscurl_delete, awscurl_get, awscurl_post, awscurl_put, init_logging};
 use aws_sdk_s3::Client;
 use http::{Method, StatusCode};
-use serial_test::serial;
 use tokio::time::{Duration, sleep, timeout};
 use tracing::{debug, info};
 
@@ -255,7 +254,6 @@ mod integration_tests {
     use aws_sdk_s3::error::ProvideErrorMetadata;
 
     #[tokio::test]
-    #[serial]
     async fn test_quota_basic_operations() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -300,7 +298,6 @@ mod integration_tests {
     /// with 400 UnexpectedContent, and an over-quota aws-chunked PUT must still get the quota
     /// rejection.
     #[tokio::test]
-    #[serial]
     async fn test_quota_admission_aws_chunked_declared_encoding() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -352,7 +349,6 @@ mod integration_tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_quota_update_and_clear() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -388,7 +384,6 @@ mod integration_tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_quota_delete_operations() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -425,7 +420,6 @@ mod integration_tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_quota_usage_tracking() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -464,7 +458,6 @@ mod integration_tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_quota_statistics() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -498,7 +491,6 @@ mod integration_tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_quota_check_api() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -539,7 +531,6 @@ mod integration_tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_quota_multiple_buckets() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -580,7 +571,6 @@ mod integration_tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_quota_error_handling() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -616,7 +606,6 @@ mod integration_tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_quota_http_endpoints() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -682,7 +671,6 @@ mod integration_tests {
 
     /// Test that a normal user with `readwrite` policy can read quota but cannot set/clear quota.
     #[tokio::test]
-    #[serial]
     async fn test_quota_normal_user_permissions() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -738,7 +726,6 @@ mod integration_tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_quota_copy_operations() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -784,7 +771,6 @@ mod integration_tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_quota_batch_delete() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
@@ -843,7 +829,6 @@ mod integration_tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_quota_multipart_upload() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
         if skip_without_awscurl() {
diff --git a/crates/e2e_test/src/special_chars_test.rs b/crates/e2e_test/src/special_chars_test.rs
index 8989b02f3..a4df48e78 100644
--- a/crates/e2e_test/src/special_chars_test.rs
+++ b/crates/e2e_test/src/special_chars_test.rs
@@ -34,7 +34,6 @@ mod tests {
     use rustfs_signer::constants::UNSIGNED_PAYLOAD;
     use rustfs_signer::sign_v4;
     use s3s::Body;
-    use serial_test::serial;
     use std::error::Error;
     use tracing::{debug, info};
 
@@ -93,7 +92,6 @@ mod tests {
     /// mc cp README.md "local/dummy/a%20f+/b/c/3/README.md"
     /// ```
     #[tokio::test]
-    #[serial]
     async fn test_object_with_space_in_path() {
         init_logging();
         info!("Starting test: object with space in path");
@@ -175,7 +173,6 @@ mod tests {
     /// /test/data/org_main-org/dashboards/ES+net/LHC+Data+Challenge/firefly-details.json
     /// ```
     #[tokio::test]
-    #[serial]
     async fn test_object_with_plus_in_path() {
         init_logging();
         info!("Starting test: object with plus sign in path");
@@ -245,7 +242,6 @@ mod tests {
 
     /// Test with mixed special characters
     #[tokio::test]
-    #[serial]
     async fn test_object_with_mixed_special_chars() {
         init_logging();
         info!("Starting test: object with mixed special characters");
@@ -305,7 +301,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_signed_get_missing_object_with_trailing_equals_returns_no_such_key() -> Result<(), Box<dyn Error + Send + Sync>>
     {
         init_logging();
@@ -334,7 +329,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_signed_get_existing_object_with_trailing_equals_returns_content() -> Result<(), Box<dyn Error + Send + Sync>> {
         init_logging();
 
@@ -373,7 +367,6 @@ mod tests {
 
     /// Test DELETE operation with special characters
     #[tokio::test]
-    #[serial]
     async fn test_delete_object_with_special_chars() {
         init_logging();
         info!("Starting test: DELETE object with special characters");
@@ -421,7 +414,6 @@ mod tests {
 
     /// Test exact scenario from the issue
     #[tokio::test]
-    #[serial]
     async fn test_issue_scenario_exact() {
         init_logging();
         info!("Starting test: Exact scenario from GitHub issue");
@@ -494,7 +486,6 @@ mod tests {
 
     /// Test HEAD object with special characters
     #[tokio::test]
-    #[serial]
     async fn test_head_object_with_special_chars() {
         init_logging();
         info!("Starting test: HEAD object with special characters");
@@ -538,7 +529,6 @@ mod tests {
 
     /// Test COPY object with special characters in both source and destination
     #[tokio::test]
-    #[serial]
     async fn test_copy_object_with_special_chars() {
         init_logging();
         info!("Starting test: COPY object with special characters");
@@ -597,7 +587,6 @@ mod tests {
 
     /// Test Unicode characters in object keys
     #[tokio::test]
-    #[serial]
     async fn test_unicode_characters_in_path() {
         init_logging();
         info!("Starting test: Unicode characters in object paths");
@@ -661,7 +650,6 @@ mod tests {
 
     /// Test special characters in different parts of the path
     #[tokio::test]
-    #[serial]
     async fn test_special_chars_in_different_path_positions() {
         init_logging();
         info!("Starting test: Special characters in different path positions");
@@ -719,7 +707,6 @@ mod tests {
 
     /// Test that control characters are properly rejected
     #[tokio::test]
-    #[serial]
     async fn test_control_characters_rejected() {
         init_logging();
         info!("Starting test: Control characters should be rejected");
@@ -769,7 +756,6 @@ mod tests {
 
     /// Test LIST with various special character prefixes
     #[tokio::test]
-    #[serial]
     async fn test_list_with_special_char_prefixes() {
         init_logging();
         info!("Starting test: LIST with special character prefixes");
@@ -838,7 +824,6 @@ mod tests {
 
     /// Test delimiter-based listing with special characters
     #[tokio::test]
-    #[serial]
     async fn test_list_with_delimiter_and_special_chars() {
         init_logging();
         info!("Starting test: LIST with delimiter and special characters");
diff --git a/crates/e2e_test/src/version_id_regression_test.rs b/crates/e2e_test/src/version_id_regression_test.rs
index 1ff2e34ef..75d19e5db 100644
--- a/crates/e2e_test/src/version_id_regression_test.rs
+++ b/crates/e2e_test/src/version_id_regression_test.rs
@@ -27,7 +27,6 @@ mod tests {
     use aws_sdk_s3::Client;
     use aws_sdk_s3::primitives::ByteStream;
     use aws_sdk_s3::types::{BucketVersioningStatus, CompletedMultipartUpload, CompletedPart, VersioningConfiguration};
-    use serial_test::serial;
     use tracing::info;
 
     fn create_s3_client(env: &RustFSTestEnvironment) -> Client {
@@ -86,7 +85,6 @@ mod tests {
     /// Test 1: PutObject should return version_id when versioning is enabled
     /// This directly addresses the Veeam issue from #1066
     #[tokio::test]
-    #[serial]
     async fn test_put_object_returns_version_id_with_versioning() {
         init_logging();
         info!("🧪 TEST: PutObject returns version_id with versioning enabled");
@@ -130,7 +128,6 @@ mod tests {
 
     /// Test 2: CopyObject should return version_id when versioning is enabled
     #[tokio::test]
-    #[serial]
     async fn test_copy_object_returns_version_id_with_versioning() {
         init_logging();
         info!("🧪 TEST: CopyObject returns version_id with versioning enabled");
@@ -185,7 +182,6 @@ mod tests {
 
     /// Test 3: CompleteMultipartUpload should return version_id when versioning is enabled
     #[tokio::test]
-    #[serial]
     async fn test_multipart_upload_returns_version_id_with_versioning() {
         init_logging();
         info!("🧪 TEST: CompleteMultipartUpload returns version_id with versioning enabled");
@@ -260,7 +256,6 @@ mod tests {
     /// Test 4: PutObject should NOT return version_id when versioning is NOT enabled
     /// This ensures we didn't break non-versioned buckets
     #[tokio::test]
-    #[serial]
     async fn test_put_object_without_versioning() {
         init_logging();
         info!("🧪 TEST: PutObject behavior without versioning (no regression)");
@@ -296,7 +291,6 @@ mod tests {
 
     /// Test 5: Basic S3 operations still work correctly (no regression)
     #[tokio::test]
-    #[serial]
     async fn test_basic_s3_operations_no_regression() {
         init_logging();
         info!("🧪 TEST: Basic S3 operations work correctly (no regression)");
@@ -363,7 +357,6 @@ mod tests {
     /// Test 6: Veeam-specific scenario simulation
     /// Simulates the exact workflow that Veeam uses when backing up data
     #[tokio::test]
-    #[serial]
     async fn test_veeam_backup_workflow_simulation() {
         init_logging();
         info!("🧪 TEST: Veeam VBR backup workflow simulation (Issue #1066)");
@@ -413,7 +406,6 @@ mod tests {
     }
 
     #[tokio::test]
-    #[serial]
     async fn test_terraform_put_after_delete() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
         init_logging();
 
@@ -456,7 +448,6 @@ mod tests {
 
     /// Test 7: PutObject should omit version_id when versioning is Suspended
     #[tokio::test]
-    #[serial]
     async fn test_put_object_omits_version_id_with_suspended_versioning() {
         init_logging();
         info!("🧪 TEST: PutObject omits version_id with versioning suspended");
@@ -500,7 +491,6 @@ mod tests {
 
     /// Test 8: CopyObject should omit version_id when versioning is Suspended
     #[tokio::test]
-    #[serial]
     async fn test_copy_object_omits_version_id_with_suspended_versioning() {
         init_logging();
         info!("🧪 TEST: CopyObject omits version_id with versioning suspended");
@@ -551,7 +541,6 @@ mod tests {
 
     /// Test 9: CompleteMultipartUpload should omit version_id when versioning is Suspended
     #[tokio::test]
-    #[serial]
     async fn test_multipart_upload_omits_version_id_with_suspended_versioning() {
         init_logging();
         info!("🧪 TEST: CompleteMultipartUpload omits version_id with versioning suspended");