--- a/runtime/common/identity.rs
+++ b/runtime/common/identity.rs
@@ -23,6 +23,8 @@
 	traits::{DispatchInfoOf, SignedExtension},
 	transaction_validity::{TransactionValidity, ValidTransaction, TransactionValidityError},
 };
+#[cfg(feature = "collator-selection")]
+use sp_runtime::transaction_validity::InvalidTransaction;
 
 #[derive(Debug, Encode, Decode, PartialEq, Eq, Clone, TypeInfo)]
 pub struct DisableIdentityCalls;