diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
index ca7cbdd8d4..1d975e5f93 100644
--- a/lib/librte_cryptodev/rte_cryptodev.h
+++ b/lib/librte_cryptodev/rte_cryptodev.h
@@ -883,7 +883,6 @@ rte_cryptodev_enqueue_burst(uint8_t dev_id, uint16_t qp_id,
 
 /** Cryptodev symmetric crypto session */
 struct rte_cryptodev_sym_session {
-	RTE_STD_C11
 	__extension__ void *sess_private_data[0];
 	/**< Private session material */
 };