diff --git a/xmtp_mls/src/groups/device_sync/preference_sync.rs b/xmtp_mls/src/groups/device_sync/preference_sync.rs
index 868edf5ec..c1de9bebf 100644
--- a/xmtp_mls/src/groups/device_sync/preference_sync.rs
+++ b/xmtp_mls/src/groups/device_sync/preference_sync.rs
@@ -105,6 +105,7 @@ mod tests {
     }
 
     #[wasm_bindgen_test(unsupported = tokio::test(flavor = "multi_thread", worker_threads = 1))]
+    #[cfg_attr(target_family = "wasm", ignore)]
     async fn test_can_deserialize_between_versions() {
         let consent_record = StoredConsentRecord {
             entity: "hello there".to_string(),
@@ -121,7 +122,8 @@ mod tests {
         assert_eq!(update.state, ConsentState::Allowed);
     }
 
-    #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
+    #[wasm_bindgen_test(unsupported = tokio::test(flavor = "multi_thread", worker_threads = 1))]
+    #[cfg_attr(target_family = "wasm", ignore)]
     async fn test_hmac_sync() {
         let wallet = generate_local_wallet();
         let amal_a =