diff --git a/src/py_to_uxf_core/service/implementation_scanner_service.py b/src/py_to_uxf_core/service/implementation_scanner_service.py
index e44b390..e48b630 100644
--- a/src/py_to_uxf_core/service/implementation_scanner_service.py
+++ b/src/py_to_uxf_core/service/implementation_scanner_service.py
@@ -50,7 +50,6 @@ class ImplementationScannerService(ImplementationScannerABC):
 
                     implementation = self._get_implementation(name, sub, classes)
                     if implementation is not None:
-                        implementation.is_first = False
                         implementations.append(implementation)
             return implementations
         return None