diff --git a/crates/apub/assets/lemmy/activities/block/block_user.json b/crates/apub/assets/lemmy/activities/block/block_user.json
index a07d3786c..f6d6170c3 100644
--- a/crates/apub/assets/lemmy/activities/block/block_user.json
+++ b/crates/apub/assets/lemmy/activities/block/block_user.json
@@ -8,6 +8,6 @@
   "type": "Block",
   "removeData": true,
   "summary": "spam post",
-  "expires": "2021-11-01T12:23:50.151874Z",
+  "endTime": "2021-11-01T12:23:50.151874Z",
   "id": "http://enterprise.lemmy.ml/activities/block/5d42fffb-0903-4625-86d4-0b39bb344fc2"
 }
diff --git a/crates/apub/assets/lemmy/activities/block/undo_block_user.json b/crates/apub/assets/lemmy/activities/block/undo_block_user.json
index 5dadc0781..922b5e777 100644
--- a/crates/apub/assets/lemmy/activities/block/undo_block_user.json
+++ b/crates/apub/assets/lemmy/activities/block/undo_block_user.json
@@ -11,7 +11,7 @@
     "type": "Block",
     "removeData": true,
     "summary": "spam post",
-    "expires": "2021-11-01T12:23:50.151874Z",
+    "endTime": "2021-11-01T12:23:50.151874Z",
     "id": "http://enterprise.lemmy.ml/activities/block/726f43ab-bd0e-4ab3-89c8-627e976f553c"
   },
   "cc": ["http://enterprise.lemmy.ml/c/main"],
diff --git a/crates/apub/src/activities/block/block_user.rs b/crates/apub/src/activities/block/block_user.rs
index 48408c4fb..e6c97c424 100644
--- a/crates/apub/src/activities/block/block_user.rs
+++ b/crates/apub/src/activities/block/block_user.rs
@@ -74,7 +74,6 @@ impl BlockUser {
         &context.settings().get_protocol_and_hostname(),
       )?,
       audience,
-      expires,
       end_time: expires,
     })
   }
@@ -157,7 +156,7 @@ impl ActivityHandler for BlockUser {
   #[tracing::instrument(skip_all)]
   async fn receive(self, context: &Data<LemmyContext>) -> LemmyResult<()> {
     insert_received_activity(&self.id, context).await?;
-    let expires = self.expires.or(self.end_time).map(Into::into);
+    let expires = self.end_time.map(Into::into);
     let mod_person = self.actor.dereference(context).await?;
     let blocked_person = self.object.dereference(context).await?;
     let target = self.target.dereference(context).await?;
diff --git a/crates/apub/src/activities/block/undo_block_user.rs b/crates/apub/src/activities/block/undo_block_user.rs
index b92320b2d..69f3eeebf 100644
--- a/crates/apub/src/activities/block/undo_block_user.rs
+++ b/crates/apub/src/activities/block/undo_block_user.rs
@@ -98,7 +98,7 @@ impl ActivityHandler for UndoBlockUser {
   #[tracing::instrument(skip_all)]
   async fn receive(self, context: &Data<LemmyContext>) -> LemmyResult<()> {
     insert_received_activity(&self.id, context).await?;
-    let expires = self.object.expires.or(self.object.end_time).map(Into::into);
+    let expires = self.object.end_time.map(Into::into);
     let mod_person = self.actor.dereference(context).await?;
     let blocked_person = self.object.object.dereference(context).await?;
     match self.object.target.dereference(context).await? {
diff --git a/crates/apub/src/protocol/activities/block/block_user.rs b/crates/apub/src/protocol/activities/block/block_user.rs
index c1a4c64c7..96135d645 100644
--- a/crates/apub/src/protocol/activities/block/block_user.rs
+++ b/crates/apub/src/protocol/activities/block/block_user.rs
@@ -38,8 +38,6 @@ pub struct BlockUser {
   pub(crate) remove_data: Option<bool>,
   /// block reason, written to mod log
   pub(crate) summary: Option<String>,
-  /// TODO: deprecated
-  pub(crate) expires: Option<DateTime<Utc>>,
   pub(crate) end_time: Option<DateTime<Utc>>,
 }