diff --git a/dsi/plugins/metadata.py b/dsi/plugins/metadata.py
index 3d84ee3..747c4f0 100644
--- a/dsi/plugins/metadata.py
+++ b/dsi/plugins/metadata.py
@@ -14,7 +14,6 @@ def __init__(self, **kwargs):
         self.output_collector = OrderedDict()
         self.table_cnt = None # schema not set until pack_header
         self.validation_model = None  # optional pydantic Model
-        self.relations = []
         # Check for strict_mode option
         if 'strict_mode' in kwargs:
             if type(kwargs['strict_mode']) == bool: