diff --git a/radix-engine-toolkit/src/functions/execution.rs b/radix-engine-toolkit/src/functions/execution.rs
index 7848a3fa..1af23ff2 100644
--- a/radix-engine-toolkit/src/functions/execution.rs
+++ b/radix-engine-toolkit/src/functions/execution.rs
@@ -101,7 +101,6 @@ pub enum SerializableTransactionType {
     Transfer(Box<SerializableTransferTransactionType>),
     AccountDepositSettings(Box<SerializableAccountDepositSettingsTransactionType>),
     GeneralTransaction(Box<SerializableGeneralTransactionType>),
-    NonConforming,
 }
 
 impl SerializableTransactionType {