diff --git a/tests/side_effects.rs b/tests/side_effects.rs
index 69e33de1..b7ba49f6 100644
--- a/tests/side_effects.rs
+++ b/tests/side_effects.rs
@@ -66,7 +66,7 @@ fn test_side_effects_command() -> Result<(), Box<EvalAltResult>> {
 
 #[test]
 fn test_side_effects_print() -> Result<(), Box<EvalAltResult>> {
-    let result = Arc::new(RwLock::new(String::from("")));
+    let result = Arc::new(RwLock::new(String::new()));
 
     let mut engine = Engine::new();
 
diff --git a/tests/string.rs b/tests/string.rs
index 6880c195..a4f80c07 100644
--- a/tests/string.rs
+++ b/tests/string.rs
@@ -53,8 +53,8 @@ fn test_string() -> Result<(), Box<EvalAltResult>> {
 fn test_string_dynamic() -> Result<(), Box<EvalAltResult>> {
     let engine = Engine::new();
     let mut scope = Scope::new();
-    scope.push("x", Dynamic::from("foo"));
-    scope.push("y", String::from("foo"));
+    scope.push("x", "foo");
+    scope.push("y", "foo");
     scope.push("z", "foo");
 
     assert!(engine.eval_with_scope::<bool>(&mut scope, r#"x == "foo""#)?);