diff --git a/tests/common/nip09_helpers.rs b/tests/common/nip09_helpers.rs
index aaf269d..bfd424b 100644
--- a/tests/common/nip09_helpers.rs
+++ b/tests/common/nip09_helpers.rs
@@ -165,7 +165,11 @@ pub fn announcement_coordinate(announcement: &Event, repo_id: &str) -> String {
 
 /// Build a kind-5 deletion request signed by `client` carrying the supplied
 /// `e`-tag event ids and `a`-tag coordinate strings.
-pub fn build_deletion(client: &AuditClient, event_ids: &[EventId], coordinates: &[String]) -> Event {
+pub fn build_deletion(
+    client: &AuditClient,
+    event_ids: &[EventId],
+    coordinates: &[String],
+) -> Event {
     let mut builder = client.event_builder(Kind::EventDeletion, "delete");
 
     for id in event_ids {
diff --git a/tests/nip09_validation.rs b/tests/nip09_validation.rs
index 4f2ce20..ab40bc3 100644
--- a/tests/nip09_validation.rs
+++ b/tests/nip09_validation.rs
@@ -670,7 +670,7 @@ async fn newer_addressable_event_survives_a_tag_deletion() {
 
     // Stage 3: delete v1 by its own `a` coordinate. The deletion's created_at is
     // "now", so only versions at or before now are deleted.
-    let deletion = build_deletion(&client, &[], &[addr_coord.clone()]);
+    let deletion = build_deletion(&client, &[], std::slice::from_ref(&addr_coord));
     let deletion_ts = deletion.created_at;
     client
         .send_event(deletion)
diff --git a/tests/nip62_validation.rs b/tests/nip62_validation.rs
index acdd57d..640a4ad 100644
--- a/tests/nip62_validation.rs
+++ b/tests/nip62_validation.rs
@@ -49,9 +49,7 @@
 
 mod common;
 
-use common::{
-    announcement_served_by_coordinate, build_vanish, publish_served_repo, TestRelay,
-};
+use common::{announcement_served_by_coordinate, build_vanish, publish_served_repo, TestRelay};
 
 use grasp_audit::{AuditClient, AuditConfig};
 use std::time::Duration;
@@ -157,7 +155,12 @@ async fn events_from_vanished_pubkey_are_rejected() {
 
     // A brand-new event from the now-vanished pubkey must be rejected.
     let issue = client
-        .create_issue(&announcement, "Post-vanish issue", "should be blocked", vec![])
+        .create_issue(
+            &announcement,
+            "Post-vanish issue",
+            "should be blocked",
+            vec![],
+        )
         .expect("build issue");
     let issue_id = issue.id;