diff --git a/crates/matrix-sdk/src/encryption/recovery/types.rs b/crates/matrix-sdk/src/encryption/recovery/types.rs
index 042a5e9632b..5612a4b61ed 100644
--- a/crates/matrix-sdk/src/encryption/recovery/types.rs
+++ b/crates/matrix-sdk/src/encryption/recovery/types.rs
@@ -116,12 +116,3 @@ pub(super) struct SecretStorageDisabledContent {}
 pub(super) struct KeyBackupContent {
     pub enabled: bool,
 }
-
-/// Unstable prefix form of [MSC4287].
-///
-/// [MSC4287]: https://github.com/matrix-org/matrix-spec-proposals/pull/4287
-#[derive(Clone, Debug, Default, Deserialize, Serialize, EventContent)]
-#[ruma_event(type = "m.org.matrix.custom.backup_disabled", kind = GlobalAccountData)]
-pub(super) struct BackupDisabledContent {
-    pub disabled: bool,
-}
diff --git a/crates/matrix-sdk/tests/integration/encryption/recovery.rs b/crates/matrix-sdk/tests/integration/encryption/recovery.rs
index 3745779d203..edafe4ec20b 100644
--- a/crates/matrix-sdk/tests/integration/encryption/recovery.rs
+++ b/crates/matrix-sdk/tests/integration/encryption/recovery.rs
@@ -248,26 +248,6 @@ async fn enable(
 
     let backup_disabled_content = Arc::new(Mutex::new(None));
 
-    let _quard = Mock::given(method("PUT"))
-        .and(path(format!(
-            "_matrix/client/r0/user/{user_id}/account_data/m.org.matrix.custom.backup_disabled"
-        )))
-        .and(header("authorization", "Bearer 1234"))
-        .and({
-            let backup_disabled_content = backup_disabled_content.clone();
-            move |request: &wiremock::Request| {
-                let content: Value = request.body_json().expect("The body should be a JSON body");
-
-                *backup_disabled_content.lock().unwrap() = Some(content);
-
-                true
-            }
-        })
-        .respond_with(ResponseTemplate::new(200).set_body_json(json!({})))
-        .expect(1)
-        .mount_as_scoped(server)
-        .await;
-
     let _guard = Mock::given(method("GET"))
         .and(path("_matrix/client/r0/room_keys/version"))
         .and(header("authorization", "Bearer 1234"))
@@ -533,28 +513,6 @@ async fn test_backups_enabling() {
         .mount(&server)
         .await;
 
-    Mock::given(method("PUT"))
-        .and(path(format!(
-            "_matrix/client/r0/user/{user_id}/account_data/m.org.matrix.custom.backup_disabled"
-        )))
-        .and(header("authorization", "Bearer 1234"))
-        .and(|request: &wiremock::Request| {
-            #[derive(Deserialize)]
-            struct Disabled {
-                disabled: bool,
-            }
-
-            let content: Disabled = request.body_json().expect("The body should be a JSON body");
-
-            assert!(!content.disabled, "The backup support should be marked as enabled.");
-
-            true
-        })
-        .respond_with(ResponseTemplate::new(200).set_body_json(json!({})))
-        .expect(1)
-        .mount(&server)
-        .await;
-
     Mock::given(method("POST"))
         .and(path("_matrix/client/unstable/room_keys/version"))
         .and(header("authorization", "Bearer 1234"))
@@ -672,28 +630,6 @@ async fn test_recovery_disabling() {
         .mount(&server)
         .await;
 
-    Mock::given(method("PUT"))
-        .and(path(format!(
-            "_matrix/client/r0/user/{user_id}/account_data/m.org.matrix.custom.backup_disabled"
-        )))
-        .and(header("authorization", "Bearer 1234"))
-        .and(|request: &wiremock::Request| {
-            #[derive(Deserialize)]
-            struct Disabled {
-                disabled: bool,
-            }
-
-            let content: Disabled = request.body_json().expect("The body should be a JSON body");
-
-            assert!(content.disabled, "The backup support should be marked as disabled.");
-
-            true
-        })
-        .respond_with(ResponseTemplate::new(200).set_body_json(json!({})))
-        .expect(1)
-        .mount(&server)
-        .await;
-
     Mock::given(method("GET"))
         .and(path(format!(
             "_matrix/client/r0/user/{user_id}/account_data/m.secret_storage.default_key"
@@ -976,17 +912,6 @@ async fn test_reset_identity() {
         .mount(&server)
         .await;
 
-    Mock::given(method("PUT"))
-        .and(path(format!(
-            "_matrix/client/r0/user/{user_id}/account_data/m.org.matrix.custom.backup_disabled"
-        )))
-        .and(header("authorization", "Bearer 1234"))
-        .respond_with(ResponseTemplate::new(200).set_body_json(json!({})))
-        .expect(1)
-        .named("m.org.matrix.custom.backup_disabled PUT")
-        .mount(&server)
-        .await;
-
     Mock::given(method("GET"))
         .and(path(format!("_matrix/client/r0/user/{user_id}/account_data/m.key_backup")))
         .and(header("authorization", "Bearer 1234"))