diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index af81ad5e699d..01db7edce18a 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -2084,7 +2084,6 @@ static void subflow_ulp_clone(const struct request_sock *req,
 		new_ctx->request_bkup = subflow_req->request_bkup;
 		WRITE_ONCE(new_ctx->remote_id, subflow_req->remote_id);
 		new_ctx->token = subflow_req->token;
-		new_ctx->thmac = subflow_req->thmac;
 
 		/* the subflow req id is valid, fetched via subflow_check_req()
 		 * and subflow_token_join_request()