diff --git a/src/lib.rs b/src/lib.rs
index 8dca869aa84b..083dff0e61e8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,7 +10,6 @@
 #![allow(clippy::cast_lossless)]
 // TODO: Uncategorized. Some of these we'll want to fix, some keep ignored.
 #![allow(
-    clippy::clone_on_copy,
     clippy::collapsible_else_if,
     clippy::collapsible_if,
     clippy::comparison_chain,
diff --git a/src/shims/tls.rs b/src/shims/tls.rs
index ceed123c7ac4..31a3e12b41bd 100644
--- a/src/shims/tls.rs
+++ b/src/shims/tls.rs
@@ -304,7 +304,7 @@ trait EvalContextPrivExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
 
         assert!(this.has_terminated(active_thread), "running TLS dtors for non-terminated thread");
         // Fetch next dtor after `key`.
-        let last_key = this.machine.tls.dtors_running[&active_thread].last_dtor_key.clone();
+        let last_key = this.machine.tls.dtors_running[&active_thread].last_dtor_key;
         let dtor = match this.machine.tls.fetch_tls_dtor(last_key, active_thread) {
             dtor @ Some(_) => dtor,
             // We ran each dtor once, start over from the beginning.
diff --git a/src/stacked_borrows.rs b/src/stacked_borrows.rs
index 9d175e9c4d16..d6caba81713c 100644
--- a/src/stacked_borrows.rs
+++ b/src/stacked_borrows.rs
@@ -314,7 +314,7 @@ impl<'tcx> Stack {
         if let SbTag::Tagged(id) = item.tag {
             if global.tracked_pointer_tags.contains(&id) {
                 register_diagnostic(NonHaltingDiagnostic::PoppedPointerTag(
-                    item.clone(),
+                    *item,
                     provoking_access,
                 ));
             }