diff --git a/index.yaml b/index.yaml
index 15fdc87..738ee66 100644
--- a/index.yaml
+++ b/index.yaml
@@ -6,48 +6,6 @@ indexes:
 # index.yaml file manually, remove the "# AUTOGENERATED" marker line above.
 # If you want to manage some indexes manually, move them above the marker line.
 
-- kind: Object
-  properties:
-  - name: domains
-  - name: labels
-  - name: updated
-    direction: asc
-
-- kind: Object
-  properties:
-  - name: users
-  - name: labels
-  - name: updated
-    direction: asc
-
-- kind: Object
-  properties:
-  - name: domains
-  - name: labels
-  - name: updated
-    direction: desc
-
-- kind: Object
-  properties:
-  - name: users
-  - name: labels
-  - name: updated
-    direction: desc
-
-- kind: Object
-  properties:
-  - name: domains
-  - name: labels
-  - name: created
-    direction: desc
-
-- kind: Object
-  properties:
-  - name: users
-  - name: labels
-  - name: created
-    direction: desc
-
 - kind: Object
   properties:
   - name: users
@@ -59,18 +17,6 @@ indexes:
   - name: updated
     direction: desc
 
-# these two are currently unused! as of 2024-01-24
-- kind: Object
-  properties:
-  - name: users
-  - name: created
-
-- kind: Object
-  properties:
-  - name: users
-  - name: created
-    direction: desc
-
 - kind: Object
   properties:
   - name: notify
@@ -93,6 +39,12 @@ indexes:
   - name: created
     direction: desc
 
+- kind: Follower
+  properties:
+  - name: from
+  - name: status
+  - name: updated
+
 - kind: Follower
   properties:
   - name: from
@@ -100,6 +52,12 @@ indexes:
   - name: updated
     direction: desc
 
+- kind: Follower
+  properties:
+  - name: to
+  - name: status
+  - name: updated
+
 - kind: Follower
   properties:
   - name: to
diff --git a/models.py b/models.py
index 563e66f..4a86290 100644
--- a/models.py
+++ b/models.py
@@ -571,9 +571,6 @@ class Object(StringIdModel):
               'feed', 'notification', 'user')
 
     # Keys for user(s) who created or otherwise own this activity.
-    #
-    # DEPRECATED: this used to include all users related the activity, including
-    # followers, but we've now moved those to the notify and feed properties.
     users = ndb.KeyProperty(repeated=True)
     # User keys who should see this activity in their user page, eg in reply to,
     # reaction to, share of, etc.