diff --git a/lib/src/conflicts.rs b/lib/src/conflicts.rs
index 261408766..e8987837c 100644
--- a/lib/src/conflicts.rs
+++ b/lib/src/conflicts.rs
@@ -13,7 +13,7 @@
 // limitations under the License.
 
 use std::cmp::max;
-use std::io::{Cursor, Write};
+use std::io::Write;
 
 use itertools::Itertools;
 
@@ -264,7 +264,7 @@ pub fn conflict_to_materialized_value(
 ) -> TreeValue {
     let mut buf = vec![];
     materialize_conflict(store, path, conflict, &mut buf).unwrap();
-    let file_id = store.write_file(path, &mut Cursor::new(&buf)).unwrap();
+    let file_id = store.write_file(path, &mut buf.as_slice()).unwrap();
     TreeValue::File {
         id: file_id,
         executable: false,
@@ -426,7 +426,7 @@ pub fn update_conflict_from_content(
         // with conflict markers. Update the Conflict object with the new
         // FileIds.
         for (i, buf) in removed_content.iter().enumerate() {
-            let file_id = store.write_file(path, &mut Cursor::new(buf))?;
+            let file_id = store.write_file(path, &mut buf.as_slice())?;
             if let TreeValue::File { id, executable: _ } = &mut conflict.removes[i].value {
                 *id = file_id;
             } else {
@@ -437,7 +437,7 @@ pub fn update_conflict_from_content(
             }
         }
         for (i, buf) in added_content.iter().enumerate() {
-            let file_id = store.write_file(path, &mut Cursor::new(buf))?;
+            let file_id = store.write_file(path, &mut buf.as_slice())?;
             if let TreeValue::File { id, executable: _ } = &mut conflict.adds[i].value {
                 *id = file_id;
             } else {
diff --git a/lib/src/default_index_store.rs b/lib/src/default_index_store.rs
index 3c105ae55..5ebfd72b9 100644
--- a/lib/src/default_index_store.rs
+++ b/lib/src/default_index_store.rs
@@ -18,7 +18,7 @@ use std::collections::{BTreeMap, BTreeSet, BinaryHeap, Bound, HashMap, HashSet};
 use std::fmt::{Debug, Formatter};
 use std::fs::File;
 use std::hash::{Hash, Hasher};
-use std::io::{Cursor, Read, Write};
+use std::io::{Read, Write};
 use std::ops::Range;
 use std::path::{Path, PathBuf};
 use std::sync::Arc;
@@ -670,9 +670,8 @@ impl MutableIndexImpl {
         file.write_all(&buf)?;
         persist_content_addressed_temp_file(temp_file, index_file_path)?;
 
-        let mut cursor = Cursor::new(&buf);
         ReadonlyIndexImpl::load_from(
-            &mut cursor,
+            &mut buf.as_slice(),
             dir,
             index_file_id_hex,
             commit_id_length,
diff --git a/lib/src/stacked_table.rs b/lib/src/stacked_table.rs
index c22bbd52e..e9b61000c 100644
--- a/lib/src/stacked_table.rs
+++ b/lib/src/stacked_table.rs
@@ -22,7 +22,7 @@ use std::cmp::Ordering;
 use std::collections::{BTreeMap, HashMap};
 use std::fs::File;
 use std::io;
-use std::io::{Cursor, Read, Write};
+use std::io::{Read, Write};
 use std::path::PathBuf;
 use std::sync::{Arc, RwLock};
 
@@ -337,8 +337,7 @@ impl MutableTable {
         file.write_all(&buf)?;
         persist_content_addressed_temp_file(temp_file, file_path)?;
 
-        let mut cursor = Cursor::new(&buf);
-        ReadonlyTable::load_from(&mut cursor, store, file_id_hex, store.key_size)
+        ReadonlyTable::load_from(&mut buf.as_slice(), store, file_id_hex, store.key_size)
     }
 }