diff --git a/src/lib.rs b/src/lib.rs
index ff6f111..dac7566 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -378,7 +378,7 @@ impl<'a> Exporter<'a> {
             .filter(|file| file.starts_with(&self.start_at))
             .try_for_each(|file| {
                 let relative_path = file
-                    .strip_prefix(&self.start_at.clone())
+                    .strip_prefix(self.start_at.clone())
                     .expect("file should always be nested under root")
                     .to_path_buf();
                 let destination = &self.destination.join(relative_path);
diff --git a/tests/postprocessors_test.rs b/tests/postprocessors_test.rs
index 5ea88b4..ed66e21 100644
--- a/tests/postprocessors_test.rs
+++ b/tests/postprocessors_test.rs
@@ -203,7 +203,7 @@ fn test_embed_postprocessors_context() {
         }
         let is_root_note = ctx
             .frontmatter
-            .get(&Value::String("is_root_note".into()))
+            .get(Value::String("is_root_note".into()))
             .unwrap();
         if is_root_note != &Value::Bool(true) {
             // NOTE: Test failure may not give output consistently because the test binary
@@ -220,7 +220,7 @@ fn test_embed_postprocessors_context() {
     exporter.add_embed_postprocessor(&|ctx, _mdevents| {
         let is_root_note = ctx
             .frontmatter
-            .get(&Value::String("is_root_note".into()))
+            .get(Value::String("is_root_note".into()))
             .unwrap();
         if is_root_note == &Value::Bool(true) {
             // NOTE: Test failure may not give output consistently because the test binary