diff --git a/Stellar-ledger.x b/Stellar-ledger.x
index d19462a..dd58ae8 100644
--- a/Stellar-ledger.x
+++ b/Stellar-ledger.x
@@ -400,8 +400,6 @@ struct DiagnosticEvent
     ContractEvent event;
 };
 
-typedef DiagnosticEvent DiagnosticEvents<>;
-
 struct SorobanTransactionMetaExtV1
 {
     ExtensionPoint ext;