diff --git a/module/os/linux/spl/spl-zone.c b/module/os/linux/spl/spl-zone.c
index b489179f1257..e821fbb4f3a1 100644
--- a/module/os/linux/spl/spl-zone.c
+++ b/module/os/linux/spl/spl-zone.c
@@ -50,7 +50,7 @@ typedef struct zone_datasets {
 typedef struct zone_dataset {
 	struct list_head zd_list;	/* zone_dataset linkage */
 	size_t zd_dsnamelen;		/* length of name */
-	char zd_dsname[0];		/* name of the member dataset */
+	char zd_dsname[];		/* name of the member dataset */
 } zone_dataset_t;
 
 #if defined(CONFIG_USER_NS) && defined(HAVE_USER_NS_COMMON_INUM)
diff --git a/module/os/linux/zfs/vdev_disk.c b/module/os/linux/zfs/vdev_disk.c
index 9e330e462eb0..2b5c4956dd02 100644
--- a/module/os/linux/zfs/vdev_disk.c
+++ b/module/os/linux/zfs/vdev_disk.c
@@ -71,7 +71,7 @@ typedef struct dio_request {
 	atomic_t		dr_ref;		/* References */
 	int			dr_error;	/* Bio error */
 	int			dr_bio_count;	/* Count of bio's */
-	struct bio		*dr_bio[0];	/* Attached bio's */
+	struct bio		*dr_bio[];	/* Attached bio's */
 } dio_request_t;
 
 /*
diff --git a/module/zfs/dsl_scan.c b/module/zfs/dsl_scan.c
index 86bc7ab0b0dc..73e0e05a0e85 100644
--- a/module/zfs/dsl_scan.c
+++ b/module/zfs/dsl_scan.c
@@ -281,7 +281,7 @@ typedef struct scan_io {
 	 * event of an error. This array must go at the end of the
 	 * struct to allow this for the variable number of elements.
 	 */
-	dva_t			sio_dva[0];
+	dva_t			sio_dva[];
 } scan_io_t;
 
 #define	SIO_SET_OFFSET(sio, x)		DVA_SET_OFFSET(&(sio)->sio_dva[0], x)