diff --git a/lib/api/src/js/externals/function.rs b/lib/api/src/js/externals/function.rs
index d9ccea88b..c9bf58535 100644
--- a/lib/api/src/js/externals/function.rs
+++ b/lib/api/src/js/externals/function.rs
@@ -1288,7 +1288,7 @@ mod inner {
 
         #[test]
         fn test_into_array() {
-            assert_eq!(().into_array(), []);
+            assert_eq!(().into_array(), [0i128; 0]);
             assert_eq!((1).into_array(), [1]);
             assert_eq!((1i32, 2i64).into_array(), [1, 2]);
             assert_eq!(
diff --git a/lib/api/src/sys/externals/function.rs b/lib/api/src/sys/externals/function.rs
index 773faacd4..3146c8238 100644
--- a/lib/api/src/sys/externals/function.rs
+++ b/lib/api/src/sys/externals/function.rs
@@ -1472,7 +1472,7 @@ mod inner {
 
         #[test]
         fn test_into_array() {
-            assert_eq!(().into_array(), []);
+            assert_eq!(().into_array(), [0i128; 0]);
             assert_eq!((1).into_array(), [1]);
             assert_eq!((1i32, 2i64).into_array(), [1, 2]);
             assert_eq!(
diff --git a/lib/types/src/archives.rs b/lib/types/src/archives.rs
index 8ff259716..f620520b5 100644
--- a/lib/types/src/archives.rs
+++ b/lib/types/src/archives.rs
@@ -18,10 +18,8 @@ impl<K: Hash + Ord + Archive + Clone, V: Archive> From<IndexMap<K, V>>
         let mut r = ArchivableIndexMap {
             entries: Vec::new(),
         };
-        let mut i: u64 = 0;
         for (k, v) in it.into_iter() {
             r.entries.push((k, v));
-            i += 1;
         }
         r
     }