diff --git a/swh/model/hypothesis_strategies.py b/swh/model/hypothesis_strategies.py
--- a/swh/model/hypothesis_strategies.py
+++ b/swh/model/hypothesis_strategies.py
@@ -157,10 +157,7 @@
         visit=integers(1, 1000),
         origin=urls(),
         date=aware_datetimes(),
-        status=sampled_from(["ongoing", "full", "partial"]),
         type=pgsql_text(),
-        snapshot=optional(sha1_git()),
-        metadata=none(),
     )
 
 
diff --git a/swh/model/model.py b/swh/model/model.py
--- a/swh/model/model.py
+++ b/swh/model/model.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2018-2019 The Software Heritage developers
+# Copyright (C) 2018-2020 The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
@@ -228,21 +228,13 @@
 
 @attr.s(frozen=True)
 class OriginVisit(BaseModel):
-    """Represents a visit of an origin at a given point in time, by a
+    """Represents an origin visit with a given type at a given point in time, by a
     SWH loader."""
 
     origin = attr.ib(type=str, validator=type_validator())
     date = attr.ib(type=datetime.datetime, validator=type_validator())
-    status = attr.ib(
-        type=str, validator=attr.validators.in_(["ongoing", "full", "partial"])
-    )
     type = attr.ib(type=str, validator=type_validator())
-    snapshot = attr.ib(type=Optional[Sha1Git], validator=type_validator())
-    metadata = attr.ib(
-        type=Optional[Dict[str, object]], validator=type_validator(), default=None
-    )
     visit = attr.ib(type=Optional[int], validator=type_validator(), default=None)
-    """Should not be set before calling 'origin_visit_add()'."""
 
     def to_dict(self):
         """Serializes the date as a string and omits the visit id if it is