diff --git a/ogc/bblocks/util.py b/ogc/bblocks/util.py
index 58df600..fa5f0fa 100644
--- a/ogc/bblocks/util.py
+++ b/ogc/bblocks/util.py
@@ -89,6 +89,7 @@ def __init__(self, identifier: str, metadata_file: Path,
             except Exception as e:
                 raise BuildingBlockError('Error validating building block metadata') from e
 
+            self.metadata.pop('itemIdentifier', None)
             self.metadata: dict[str, Any] = {
                 'itemIdentifier': identifier,
                 **self.metadata,