diff --git a/build.rs b/build.rs
index c5bc7cc..ee5e155 100644
--- a/build.rs
+++ b/build.rs
@@ -2,7 +2,7 @@ use std::{env, path::PathBuf};
 
 fn main() -> Result<(), anyhow::Error> {
     let root = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("protos");
-    let proto_files = vec!["viguno/v1/simulation.proto"]
+    let proto_files = ["viguno/v1/simulation.proto"]
         .iter()
         .map(|f| root.join(f))
         .collect::<Vec<_>>();
diff --git a/src/query/mod.rs b/src/query/mod.rs
index f7bab3e..59ab314 100644
--- a/src/query/mod.rs
+++ b/src/query/mod.rs
@@ -316,7 +316,7 @@ pub fn run(args_common: &crate::common::Args, args: &Args) -> Result<(), anyhow:
     tracing::info!("Loading HGNC xlink...");
     let before_load_xlink = Instant::now();
     let path_hgnc_xlink = format!("{}/hgnc_xlink.tsv", args.path_hpo_dir);
-    let ncbi_to_hgnc = crate::common::hgnc_xlink::load_ncbi_to_hgnc(&path_hgnc_xlink)?;
+    let ncbi_to_hgnc = crate::common::hgnc_xlink::load_ncbi_to_hgnc(path_hgnc_xlink)?;
     tracing::info!(
         "... done loading HGNC xlink in {:?}",
         before_load_xlink.elapsed()
diff --git a/src/server/run/mod.rs b/src/server/run/mod.rs
index 2e67223..bf219b4 100644
--- a/src/server/run/mod.rs
+++ b/src/server/run/mod.rs
@@ -264,7 +264,7 @@ pub fn run(args_common: &crate::common::Args, args: &Args) -> Result<(), anyhow:
     tracing::info!("Loading HGNC xlink...");
     let before_load_xlink = std::time::Instant::now();
     let path_hgnc_xlink = format!("{}/hgnc_xlink.tsv", args.path_hpo_dir);
-    let ncbi_to_hgnc = crate::common::hgnc_xlink::load_ncbi_to_hgnc(&path_hgnc_xlink)?;
+    let ncbi_to_hgnc = crate::common::hgnc_xlink::load_ncbi_to_hgnc(path_hgnc_xlink)?;
     let hgnc_to_ncbi = crate::common::hgnc_xlink::inverse_hashmap(&ncbi_to_hgnc);
     tracing::info!(
         "... done loading HGNC xlink in {:?}",