--- a/cmds/fleet/src/cmds/info.rs
+++ b/cmds/fleet/src/cmds/info.rs
@@ -38,7 +38,7 @@
 					if !tagged.is_empty() {
 						let tags: Vec<String> = config.config_attr(&host, "tags").await?;
 						for tag in tagged {
-							if !tags.contains(&tag) {
+							if !tags.contains(tag) {
 								continue 'host;
 							}
 						}
--- a/cmds/fleet/src/keys.rs
+++ b/cmds/fleet/src/keys.rs
@@ -50,7 +50,7 @@
 			.filter(|(_, host)| !host.encryption_key.is_empty())
 			.map(|(n, _)| n)
 		{
-			if !host_names.contains(&hostname.to_owned()) {
+			if !host_names.contains(hostname) {
 				out.push(hostname.to_owned())
 			}
 		}
--- a/crates/nixlike/src/to_string.rs
+++ b/crates/nixlike/src/to_string.rs
@@ -5,7 +5,7 @@
 };
 
 fn write_nix_obj_key_buf(k: &str, v: &Value, out: &mut PrintItems) {
-	if k.contains(".") {
+	if k.contains('.') {
 		out.push_str("\"");
 		out.push_str(k);
 		out.push_str("\"");
@@ -39,7 +39,7 @@
 				.replace('\n', "\\n")
 				.replace('\t', "\\t")
 				.replace('\r', "\\r")
-				.replace("$", "\\$")
+				.replace('$', "\\$")
 		)),
 		Value::Array(a) => {
 			if a.is_empty() {