diff --git a/src/publish.rs b/src/publish.rs
index 124588e..9a1f989 100644
--- a/src/publish.rs
+++ b/src/publish.rs
@@ -445,7 +445,7 @@ struct VersionMeta {
 
 impl VersionMeta {
     pub fn source_dir(&self) -> PathBuf {
-        self.tmp.path().join(&format!(
+        self.tmp.path().join(format!(
             "{}-{}",
             self.index_meta.name, self.index_meta.vers
         ))
@@ -468,7 +468,7 @@ fn parse_one_manifest(
     let dot_crate_path = config
         .src
         .crate_files_dir
-        .join(&format!("{}/{}/download", crate_name, index_meta.vers));
+        .join(format!("{}/{}/download", crate_name, index_meta.vers));
     verify_file_exists(&dot_crate_path)?;
 
     trace!(path = ?dot_crate_path, "reading .crate file");
@@ -498,7 +498,7 @@ fn parse_one_manifest(
 
     trace!(tmpdir = ?tmp.path(), "unpacked .crate archive to temp dir");
     let target_dir = tmp.path().join("target");
-    std::fs::create_dir(&target_dir)?;
+    std::fs::create_dir(target_dir)?;
 
     Ok(VersionMeta {
         index_meta,
@@ -643,7 +643,7 @@ fn prepare_source_dir_for_publish(config: &Config, meta: &mut VersionMeta) -> Re
         .cargo_toml_orig
         .parse::<toml_edit::Document>()?;
 
-    edit_deps(&mut modified_manifest, &config);
+    edit_deps(&mut modified_manifest, config);
     edit_publish_registry(
         &mut modified_manifest,
         &config.src.registry_name,
@@ -694,7 +694,7 @@ fn prepare_source_dirs_for_publish(
     manifests.par_iter_mut()
         .map(|(name, versions)| -> Result<(), Error> {
             for meta in versions.iter_mut() {
-                prepare_source_dir_for_publish(&config, meta)
+                prepare_source_dir_for_publish(config, meta)
                     .map_err(|err| {
                         error!(%name, vers = %meta.index_meta.vers, ?err, "prepare_source_dir_for_publish failed");
                         err