diff --git a/backend/canisters/group/api/can.did b/backend/canisters/group/api/can.did
index bb0697400e..f6875f43e2 100644
--- a/backend/canisters/group/api/can.did
+++ b/backend/canisters/group/api/can.did
@@ -564,7 +564,6 @@ type ResetInviteCodeResponse = variant {
 };
 
 type FollowThreadArgs = record {
-    channel_id : ChannelId;
     thread_root_message_index : MessageIndex;
 };
 
@@ -578,7 +577,6 @@ type FollowThreadResponse = variant {
 };
 
 type UnfollowThreadArgs = record {
-    channel_id : ChannelId;
     thread_root_message_index : MessageIndex;
 };
 
diff --git a/backend/canisters/group/api/src/updates/follow_thread.rs b/backend/canisters/group/api/src/updates/follow_thread.rs
index a6b8461f8b..68fd71bc82 100644
--- a/backend/canisters/group/api/src/updates/follow_thread.rs
+++ b/backend/canisters/group/api/src/updates/follow_thread.rs
@@ -1,10 +1,9 @@
 use candid::CandidType;
 use serde::{Deserialize, Serialize};
-use types::{ChannelId, MessageIndex};
+use types::MessageIndex;
 
 #[derive(CandidType, Serialize, Deserialize, Debug)]
 pub struct Args {
-    pub channel_id: ChannelId,
     pub thread_root_message_index: MessageIndex,
 }
 
diff --git a/backend/canisters/group/api/src/updates/unfollow_thread.rs b/backend/canisters/group/api/src/updates/unfollow_thread.rs
index 4b26a4fbc3..d478860e79 100644
--- a/backend/canisters/group/api/src/updates/unfollow_thread.rs
+++ b/backend/canisters/group/api/src/updates/unfollow_thread.rs
@@ -1,10 +1,9 @@
 use candid::CandidType;
 use serde::{Deserialize, Serialize};
-use types::{ChannelId, MessageIndex};
+use types::MessageIndex;
 
 #[derive(CandidType, Serialize, Deserialize, Debug)]
 pub struct Args {
-    pub channel_id: ChannelId,
     pub thread_root_message_index: MessageIndex,
 }