diff --git a/src/error.rs b/src/error.rs
index ce8615ed..16ea36bd 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -3,7 +3,7 @@
 use crate::result::EvalAltResult;
 use crate::token::Position;
 
-use crate::stdlib::{boxed::Box, char, error::Error, fmt, string::String};
+use crate::stdlib::{boxed::Box, char, error::Error, fmt, string::{String, ToString}};
 
 /// Error when tokenizing the script text.
 #[derive(Debug, Eq, PartialEq, Clone, Hash)]
diff --git a/src/packages/array_basic.rs b/src/packages/array_basic.rs
index 59358063..d492f52f 100644
--- a/src/packages/array_basic.rs
+++ b/src/packages/array_basic.rs
@@ -8,7 +8,7 @@ use crate::parser::{ImmutableString, INT};
 use crate::result::EvalAltResult;
 use crate::token::Position;
 
-use crate::stdlib::{any::TypeId, boxed::Box};
+use crate::stdlib::{any::TypeId, boxed::Box, string::ToString};
 
 // Register array utility functions
 fn push<T: Variant + Clone>(list: &mut Array, item: T) -> FuncReturn<()> {
diff --git a/src/packages/string_more.rs b/src/packages/string_more.rs
index 46805750..a472c2dd 100644
--- a/src/packages/string_more.rs
+++ b/src/packages/string_more.rs
@@ -12,6 +12,7 @@ use crate::engine::Array;
 
 use crate::stdlib::{
     any::TypeId,
+    boxed::Box,
     fmt::Display,
     format,
     string::{String, ToString},