diff --git a/src/tests/mod.rs b/src/tests/mod.rs
index 5e624e8..ac89220 100644
--- a/src/tests/mod.rs
+++ b/src/tests/mod.rs
@@ -357,7 +357,7 @@ fn check_version_output() {
 	let output = cmd.arg("-V").ok().unwrap().stdout;
 	let output = String::from_utf8(output).unwrap();
 	assert!(
-		Regex::new(r#"fif v(\d\.){2}\d"#).unwrap().is_match(&output.trim()),
+		Regex::new(r#"fif v(\d\.){2}\d"#).unwrap().is_match(output.trim()),
 		"\"{}\" does not match the expected `-v` format!",
 		output
 	);
@@ -370,7 +370,7 @@ fn check_version_output() {
 	assert!(
 		Regex::new(r#"fif v(\d\.){2}\d \(.+, .+ backend, (unknown commit|commit #[\da-f]{7})\)"#)
 			.unwrap()
-			.is_match(&output.trim()),
+			.is_match(output.trim()),
 		"\"{}\" does not match the expected `--version` format!",
 		output.trim()
 	);