diff --git a/src/encoding/integer/rle_v2/delta.rs b/src/encoding/integer/rle_v2/delta.rs
index c3b0bfd..8e4072d 100644
--- a/src/encoding/integer/rle_v2/delta.rs
+++ b/src/encoding/integer/rle_v2/delta.rs
@@ -250,10 +250,8 @@ mod tests {
         .unwrap();
 
         let mut expected = vec![0, 10];
-        let mut i = 1;
-        for d in deltas {
-            expected.push(d + expected[i]);
-            i += 1;
+        for (i, d) in deltas.into_iter().enumerate() {
+            expected.push(d + expected[i + 1]);
         }
         assert_eq!(expected, out);
     }
@@ -279,10 +277,8 @@ mod tests {
         .unwrap();
 
         let mut expected = vec![10_000, 9_999];
-        let mut i = 1;
-        for d in deltas {
-            expected.push(expected[i] - d);
-            i += 1;
+        for (i, d) in deltas.into_iter().enumerate() {
+            expected.push(expected[i + 1] - d);
         }
         assert_eq!(expected, out);
     }
diff --git a/src/row_index.rs b/src/row_index.rs
index 9289bb3..6985dc1 100644
--- a/src/row_index.rs
+++ b/src/row_index.rs
@@ -280,7 +280,7 @@ pub fn parse_stripe_row_indexes(
                 filters.len(),
                 column_id
             );
-            for (entry, bloom) in row_group_index.entries_mut().zip(filters.into_iter()) {
+            for (entry, bloom) in row_group_index.entries_mut().zip(filters) {
                 entry.bloom_filter = Some(bloom);
             }
         }