diff --git a/backend/canisters/group/CHANGELOG.md b/backend/canisters/group/CHANGELOG.md
index e821937e79..0569af60d7 100644
--- a/backend/canisters/group/CHANGELOG.md
+++ b/backend/canisters/group/CHANGELOG.md
@@ -14,6 +14,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Changed
 
 - Disable mentions for messages sent by the ProposalsBot ([#4424](https://github.com/open-chat-labs/open-chat/pull/4424))
+- Simplify `inspect_message` ([#4436](https://github.com/open-chat-labs/open-chat/pull/4436))
 
 ### Fixed
 
diff --git a/backend/canisters/group/impl/src/lifecycle/inspect_message.rs b/backend/canisters/group/impl/src/lifecycle/inspect_message.rs
index 04babe22cd..1b8346fcc5 100644
--- a/backend/canisters/group/impl/src/lifecycle/inspect_message.rs
+++ b/backend/canisters/group/impl/src/lifecycle/inspect_message.rs
@@ -18,39 +18,8 @@ fn accept_if_valid(state: &RuntimeState) {
     }
 
     let caller = state.env.caller();
-    let permissions = &state.data.chat.permissions;
-    let is_valid = if let Some(role) = state.data.get_member(caller).map(|p| p.role) {
-        match method_name.as_str() {
-            "add_reaction" | "remove_reaction" => role.can_react_to_messages(permissions),
-            "block_user" => role.can_block_users(permissions),
-            "convert_into_community" => role.is_owner(),
-            "delete_group" => role.can_delete_group(),
-            "enable_invite_code" | "disable_invite_code" | "reset_invite_code" => role.can_invite_users(permissions),
-            "make_private" => role.can_change_group_visibility(),
-            "pin_message" | "pin_message_v2" => role.can_pin_messages(permissions),
-            "remove_participant" => role.can_remove_members(permissions),
-            "send_message_v2" => role.can_send_messages(permissions) || role.can_reply_in_thread(permissions),
-            "unblock_user" => role.can_unblock_users(permissions),
-            "unpin_message" => role.can_pin_messages(permissions),
-            "update_group_v2" => role.can_update_group(permissions),
-            "update_permissions" => role.can_change_permissions(),
-            "delete_messages"
-            | "undelete_messages"
-            | "change_role"
-            | "claim_prize"
-            | "edit_message_v2"
-            | "follow_thread"
-            | "unfollow_thread"
-            | "put_chunk"
-            | "register_poll_vote"
-            | "register_proposal_vote"
-            | "register_proposal_vote_v2"
-            | "toggle_mute_notifications" => true,
-            _ => false,
-        }
-    } else {
-        state.data.get_invitation(caller).is_some() && method_name == "decline_invitation"
-    };
+    let is_valid = state.data.get_member(caller).is_some()
+        || state.data.get_invitation(caller).is_some() && method_name == "decline_invitation";
 
     if is_valid {
         ic_cdk::api::call::accept_message();