diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h
index 8e73c377da2c6..920cbc9524ad1 100644
--- a/include/linux/mlx5/fs.h
+++ b/include/linux/mlx5/fs.h
@@ -245,7 +245,6 @@ struct mlx5_flow_act {
 	struct mlx5_pkt_reformat *pkt_reformat;
 	union {
 		u32 ipsec_obj_id;
-		uintptr_t esp_id;
 	};
 	u32 flags;
 	struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH];