diff --git a/networks/ethereum/schnorr/build.rs b/networks/ethereum/schnorr/build.rs
index cf12f948..97acb1a5 100644
--- a/networks/ethereum/schnorr/build.rs
+++ b/networks/ethereum/schnorr/build.rs
@@ -1,4 +1,4 @@
 fn main() {
-  let artifacts_path = std::env::var("OUT_DIR").unwrap().to_string() + "/ethereum-schnorr-contract";
+  let artifacts_path = std::env::var("OUT_DIR").unwrap().clone() + "/ethereum-schnorr-contract";
   build_solidity_contracts::build(&[], "contracts", &artifacts_path).unwrap();
 }
diff --git a/processor/ethereum/deployer/build.rs b/processor/ethereum/deployer/build.rs
index 1906f1df..94f0c7fe 100644
--- a/processor/ethereum/deployer/build.rs
+++ b/processor/ethereum/deployer/build.rs
@@ -1,5 +1,5 @@
 fn main() {
   let artifacts_path =
-    std::env::var("OUT_DIR").unwrap().to_string() + "/serai-processor-ethereum-deployer";
+    std::env::var("OUT_DIR").unwrap().clone() + "/serai-processor-ethereum-deployer";
   build_solidity_contracts::build(&[], "contracts", &artifacts_path).unwrap();
 }
diff --git a/processor/ethereum/router/build.rs b/processor/ethereum/router/build.rs
index f80a0b77..f98ea730 100644
--- a/processor/ethereum/router/build.rs
+++ b/processor/ethereum/router/build.rs
@@ -19,8 +19,7 @@ fn sol(sol_files: &[&str], file: &str) {
 }
 
 fn main() {
-  let artifacts_path =
-    env::var("OUT_DIR").unwrap().to_string() + "/serai-processor-ethereum-router";
+  let artifacts_path = env::var("OUT_DIR").unwrap().clone() + "/serai-processor-ethereum-router";
 
   if !fs::exists(&artifacts_path).unwrap() {
     fs::create_dir(&artifacts_path).unwrap();
diff --git a/processor/ethereum/src/main.rs b/processor/ethereum/src/main.rs
index 1a7ff773..792a216e 100644
--- a/processor/ethereum/src/main.rs
+++ b/processor/ethereum/src/main.rs
@@ -87,7 +87,7 @@ async fn main() {
     TransactionPublisher::new(db, provider, {
       let relayer_hostname = env::var("ETHEREUM_RELAYER_HOSTNAME")
         .expect("ethereum relayer hostname wasn't specified")
-        .to_string();
+        .clone();
       let relayer_port =
         env::var("ETHEREUM_RELAYER_PORT").expect("ethereum relayer port wasn't specified");
       relayer_hostname + ":" + &relayer_port