diff --git a/src/metadata_archivist/archivist.py b/src/metadata_archivist/archivist.py
index 70d6103..e2065fb 100644
--- a/src/metadata_archivist/archivist.py
+++ b/src/metadata_archivist/archivist.py
@@ -48,8 +48,6 @@
     "add_type": False,
     "output_format": "JSON",
     "encoding_key": None,
-    "parallel_decompress": True,
-    "max_workers": 1,
 }