diff --git a/src/api/client/thirdparty.rs b/src/api/client/thirdparty.rs
index 9e179915..22093826 100644
--- a/src/api/client/thirdparty.rs
+++ b/src/api/client/thirdparty.rs
@@ -3,7 +3,7 @@ use std::collections::BTreeMap;
 use ruma::api::client::thirdparty::get_protocols;
 use tuwunel_core::Result;
 
-use crate::{Ruma, RumaResponse};
+use crate::Ruma;
 
 /// # `GET /_matrix/client/r0/thirdparty/protocols`
 ///
@@ -14,13 +14,3 @@ pub(crate) async fn get_protocols_route(
 	// TODO
 	Ok(get_protocols::v3::Response { protocols: BTreeMap::new() })
 }
-
-/// # `GET /_matrix/client/unstable/thirdparty/protocols`
-///
-/// Same as `get_protocols_route`, except for some reason Element Android legacy
-/// calls this
-pub(crate) async fn get_protocols_route_unstable(
-	body: Ruma<get_protocols::v3::Request>,
-) -> Result<RumaResponse<get_protocols::v3::Response>> {
-	get_protocols_route(body).await.map(RumaResponse)
-}
diff --git a/src/api/router.rs b/src/api/router.rs
index 786bc01d..79dd4d00 100644
--- a/src/api/router.rs
+++ b/src/api/router.rs
@@ -116,8 +116,6 @@ pub fn build(router: Router<State>, server: &Server) -> Router<State> {
 		.ruma_route(&client::search_users_route)
 		.ruma_route(&client::get_member_events_route)
 		.ruma_route(&client::get_protocols_route)
-		.route("/_matrix/client/unstable/thirdparty/protocols",
-			get(client::get_protocols_route_unstable))
 		.ruma_route(&client::send_message_event_route)
 		.ruma_route(&client::send_state_event_for_key_route)
 		.ruma_route(&client::get_state_events_route)