diff --git a/lib/src/lib.rs b/lib/src/lib.rs
index 5b9160970..fe17d1efd 100644
--- a/lib/src/lib.rs
+++ b/lib/src/lib.rs
@@ -1,4 +1,5 @@
 #![warn(unsafe_op_in_unsafe_fn)]
+#![warn(clippy::undocumented_unsafe_blocks)]
 
 mod traits;
 mod util;
diff --git a/lib/src/replica.rs b/lib/src/replica.rs
index d393d95c2..efa5dcbc2 100644
--- a/lib/src/replica.rs
+++ b/lib/src/replica.rs
@@ -69,12 +69,12 @@ impl From<Replica> for TCReplica {
 
 /// Utility function to allow using `?` notation to return an error value.  This makes
 /// a mutable borrow, because most Replica methods require a `&mut`.
-fn wrap<'a, T, F>(rep: *mut TCReplica, f: F, err_value: T) -> T
+fn wrap<T, F>(rep: *mut TCReplica, f: F, err_value: T) -> T
 where
     F: FnOnce(&mut Replica) -> anyhow::Result<T>,
 {
     // SAFETY: see type docstring
-    let rep: &'a mut TCReplica = unsafe { TCReplica::from_arg_ref_mut(rep) };
+    let rep: &mut TCReplica = unsafe { TCReplica::from_arg_ref_mut(rep) };
     if rep.mut_borrowed {
         panic!("replica is borrowed and cannot be used");
     }
diff --git a/lib/src/util.rs b/lib/src/util.rs
index bcab209ec..405a8b292 100644
--- a/lib/src/util.rs
+++ b/lib/src/util.rs
@@ -10,5 +10,5 @@ pub(crate) fn vec_into_raw_parts<T>(vec: Vec<T>) -> (*mut T, usize, usize) {
     // - disable dropping the Vec with ManuallyDrop
     // - extract ptr, len, and capacity using those methods
     let mut vec = std::mem::ManuallyDrop::new(vec);
-    return (vec.as_mut_ptr(), vec.len(), vec.capacity());
+    (vec.as_mut_ptr(), vec.len(), vec.capacity())
 }