diff --git a/ibc-core/ics24-host/types/src/identifiers/chain_id.rs b/ibc-core/ics24-host/types/src/identifiers/chain_id.rs
index 4683ae5c4..dc1ff7fea 100644
--- a/ibc-core/ics24-host/types/src/identifiers/chain_id.rs
+++ b/ibc-core/ics24-host/types/src/identifiers/chain_id.rs
@@ -1,16 +1,15 @@
-use crate::error::IdentifierError;
-use crate::validate::{
-    validate_identifier_chars, validate_identifier_length, validate_prefix_length,
-};
-
 use core::fmt::{self, Debug, Display, Error as FmtError, Formatter};
 use core::str::FromStr;
 
 use ibc_primitives::prelude::*;
-
 #[cfg(feature = "serde")]
 use serde::de::{Deserialize, Deserializer, Error, MapAccess, Visitor};
 
+use crate::error::IdentifierError;
+use crate::validate::{
+    validate_identifier_chars, validate_identifier_length, validate_prefix_length,
+};
+
 /// Defines the domain type for chain identifiers.
 ///
 /// A valid `ChainId` follows the format {chain name}-{revision number} where