diff --git a/example/intkey_multiply/cli/src/multiply.rs b/example/intkey_multiply/cli/src/multiply.rs
index 5da77c1f..c7f25dd4 100644
--- a/example/intkey_multiply/cli/src/multiply.rs
+++ b/example/intkey_multiply/cli/src/multiply.rs
@@ -34,7 +34,7 @@ pub fn do_multiply(
     let public_key = context.get_public_key(&private_key)?.as_hex();
     let factory = signing::CryptoFactory::new(&*context);
     let signer = factory.new_signer(&private_key);
-    let payload = vec![name_a, name_b, name_c].join(",");
+    let payload = [name_a, name_b, name_c].join(",");
     let txn_payload = payload.as_bytes();
 
     if output.is_empty() {
diff --git a/sdks/rust/build.rs b/sdks/rust/build.rs
index dfb3d61c..cf2c9ab5 100644
--- a/sdks/rust/build.rs
+++ b/sdks/rust/build.rs
@@ -57,14 +57,14 @@ fn main() {
         .expect("Unable to write mod file");
 
     protoc_rust::Codegen::new()
-        .out_dir(&dest_path.to_str().expect("Invalid proto destination path"))
+        .out_dir(dest_path.to_str().expect("Invalid proto destination path"))
         .inputs(
             &proto_src_files
                 .iter()
                 .map(|a| a.as_ref())
                 .collect::<Vec<&str>>(),
         )
-        .includes(&["src", "protos"])
+        .includes(["src", "protos"])
         .customize(Customize::default())
         .run()
         .expect("unable to run protoc");
diff --git a/tp/src/main.rs b/tp/src/main.rs
index dc1cd38c..5438a0ae 100644
--- a/tp/src/main.rs
+++ b/tp/src/main.rs
@@ -65,11 +65,11 @@ fn main() {
         if matches.is_present("admin_allow_all") {
             warn!("Starting Sabre transaction processor without admin key verifcation");
             SabreHandler::new(SabreTransactionHandler::new(Box::new(
-                admin::AllowAllAdminPermission::default(),
+                admin::AllowAllAdminPermission,
             )))
         } else {
             SabreHandler::new(SabreTransactionHandler::new(Box::new(
-                admin::SettingsAdminPermission::default(),
+                admin::SettingsAdminPermission,
             )))
         }
     };