diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
index 9bb9bb058932..53dec6063245 100644
--- a/drivers/infiniband/hw/mlx5/mad.c
+++ b/drivers/infiniband/hw/mlx5/mad.c
@@ -308,8 +308,8 @@ out:
 	return err;
 }
 
-int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
-					  struct ib_smp *out_mad)
+static int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
+						 struct ib_smp *out_mad)
 {
 	struct ib_smp *in_mad = NULL;
 	int err = -ENOMEM;
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index b0fdc1b08e06..acc56eaa7356 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -1280,8 +1280,6 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
 int mlx5_ib_alloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata);
 int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata);
 int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port);
-int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
-					  struct ib_smp *out_mad);
 int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev,
 					 __be64 *sys_image_guid);
 int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev,