diff --git a/lib/src/errors.dart b/lib/src/errors.dart
index f4377a3..bf2cd2a 100644
--- a/lib/src/errors.dart
+++ b/lib/src/errors.dart
@@ -1,4 +1,3 @@
 class InvalidSignatureException implements Exception {
-  @override
   String errMsg() => 'The signature of the SPK does not match the provided signature';
 }