diff --git a/src/gtree.rs b/src/gtree.rs
index 2355a17..3bb6416 100644
--- a/src/gtree.rs
+++ b/src/gtree.rs
@@ -1052,7 +1052,7 @@ impl<const ARITY: usize, L: Leaf> Gtree<ARITY, L> {
             },
         }
 
-        if !inode.len() == 0 {
+        if inode.len() != 0 {
             assert_eq!(child_lengths, inode.len());
         }
     }
diff --git a/src/utils.rs b/src/utils.rs
index 5e1acf9..a8a2deb 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -1,4 +1,3 @@
-use core::cmp::Ord;
 use core::fmt::{Debug, Formatter, Result as FmtResult};
 use core::ops::{Add, Range as StdRange, RangeBounds, Sub};
 
diff --git a/src/version_map.rs b/src/version_map.rs
index 4a59cdd..9b68c17 100644
--- a/src/version_map.rs
+++ b/src/version_map.rs
@@ -1,4 +1,4 @@
-use core::cmp::{Ordering, PartialOrd};
+use core::cmp::Ordering;
 
 use crate::{DeletionTs, Length, ReplicaId, ReplicaIdMap};