diff --git a/casper-server/src/lua/vm.rs b/casper-server/src/lua/vm.rs
index ee8e5e7..ded8fde 100644
--- a/casper-server/src/lua/vm.rs
+++ b/casper-server/src/lua/vm.rs
@@ -20,8 +20,8 @@ impl UserData for CompiledFunction {
     }
 }
 
-fn compile<'lua>(
-    lua: &'lua Lua,
+fn compile(
+    lua: &Lua,
     (chunk, name): (String, Option<String>),
 ) -> Result<StdResult<CompiledFunction, String>> {
     let env = lua.create_table()?;
diff --git a/casper-server/src/lua/yaml.rs b/casper-server/src/lua/yaml.rs
index bf32436..20c6137 100644
--- a/casper-server/src/lua/yaml.rs
+++ b/casper-server/src/lua/yaml.rs
@@ -187,7 +187,7 @@ fn traverse_value<'a>(
     value: &'a serde_yaml::Value,
     keys: &[IndexKey],
 ) -> Option<&'a serde_yaml::Value> {
-    let next_value = match keys.get(0) {
+    let next_value = match keys.first() {
         Some(IndexKey::Index(i)) => value.get(i)?,
         Some(IndexKey::String(s)) => value.get(s)?,
         None => return Some(value),