diff --git a/swh/storage/converters.py b/swh/storage/converters.py
--- a/swh/storage/converters.py
+++ b/swh/storage/converters.py
@@ -38,7 +38,7 @@
     return author
 
 
-def db_to_author(id, fullname, name, email):
+def db_to_author(fullname, name, email):
     """Convert the DB representation of an author to a swh-model author.
 
     Args:
@@ -51,12 +51,7 @@
         dict: a dictionary with four keys: id, fullname, name and email, or
         None if the id is None
     """
-
-    if id is None:
-        return None
-
     return {
-        'id': id,
         'fullname': fullname,
         'name': name,
         'email': email,
@@ -208,7 +203,6 @@
     representation."""
 
     author = db_to_author(
-        db_revision['author_id'],
         db_revision['author_fullname'],
         db_revision['author_name'],
         db_revision['author_email'],
@@ -220,7 +214,6 @@
     )
 
     committer = db_to_author(
-        db_revision['committer_id'],
         db_revision['committer_fullname'],
         db_revision['committer_name'],
         db_revision['committer_email'],
@@ -292,7 +285,6 @@
     """
 
     author = db_to_author(
-        db_release['author_id'],
         db_release['author_fullname'],
         db_release['author_name'],
         db_release['author_email'],
diff --git a/swh/storage/db.py b/swh/storage/db.py
--- a/swh/storage/db.py
+++ b/swh/storage/db.py
@@ -298,8 +298,7 @@
         'committer_email', 'metadata', 'synthetic',
     ]
 
-    revision_get_cols = revision_add_cols + [
-        'author_id', 'committer_id', 'parents']
+    revision_get_cols = revision_add_cols + ['parents']
 
     def origin_visit_add(self, origin, ts, type, cur=None):
         """Add a new origin_visit for origin origin at timestamp ts with
@@ -782,7 +781,7 @@
         'date_neg_utc_offset', 'name', 'comment', 'synthetic',
         'author_fullname', 'author_name', 'author_email',
     ]
-    release_get_cols = release_add_cols + ['author_id']
+    release_get_cols = release_add_cols
 
     def release_get_from_list(self, releases, cur=None):
         cur = self._cursor(cur)
diff --git a/swh/storage/in_memory.py b/swh/storage/in_memory.py
--- a/swh/storage/in_memory.py
+++ b/swh/storage/in_memory.py
@@ -1688,7 +1688,6 @@
             person_id = self._objects[key][0][1]
             p = self._persons[person_id-1]
             person.update(p.items())
-        person['id'] = person_id
 
     @staticmethod
     def _content_key(content):
diff --git a/swh/storage/tests/test_converters.py b/swh/storage/tests/test_converters.py
--- a/swh/storage/tests/test_converters.py
+++ b/swh/storage/tests/test_converters.py
@@ -15,11 +15,10 @@
     def test_db_to_author(self):
         # when
         actual_author = converters.db_to_author(
-            1, b'fullname', b'name', b'email')
+            b'fullname', b'name', b'email')
 
         # then
         self.assertEqual(actual_author, {
-            'id': 1,
             'fullname': b'fullname',
             'name': b'name',
             'email': b'email',
@@ -38,11 +37,9 @@
             'type': 'rev',
             'directory': b'dir-sha1',
             'message': b'commit message',
-            'author_id': 'auth-id',
             'author_fullname': b'auth-fullname',
             'author_name': b'auth-name',
             'author_email': b'auth-email',
-            'committer_id': 'comm-id',
             'committer_fullname': b'comm-fullname',
             'committer_name': b'comm-name',
             'committer_email': b'comm-email',
@@ -55,14 +52,12 @@
         self.assertEqual(actual_revision, {
             'id': 'revision-id',
             'author': {
-                'id': 'auth-id',
                 'fullname': b'auth-fullname',
                 'name': b'auth-name',
                 'email': b'auth-email',
             },
             'date': None,
             'committer': {
-                'id': 'comm-id',
                 'fullname': b'comm-fullname',
                 'name': b'comm-name',
                 'email': b'comm-email',
@@ -88,7 +83,6 @@
             'name': b'release-name',
             'comment': b'release comment',
             'synthetic': True,
-            'author_id': 'auth-id',
             'author_fullname': b'auth-fullname',
             'author_name': b'auth-name',
             'author_email': b'auth-email',
@@ -97,7 +91,6 @@
         # then
         self.assertEqual(actual_release, {
             'author': {
-                'id': 'auth-id',
                 'fullname': b'auth-fullname',
                 'name': b'auth-name',
                 'email': b'auth-email',