diff --git a/tests/btrfs.c b/tests/btrfs.c
index e5940cea..d6005347 100644
--- a/tests/btrfs.c
+++ b/tests/btrfs.c
@@ -1567,9 +1567,7 @@ btrfs_test_dev_replace_ioctl(void)
 {
 	struct btrfs_ioctl_dev_replace_args args = {
 		.cmd = BTRFS_IOCTL_DEV_REPLACE_CMD_START,
-		.start = {
-			.srcdevid = 1,
-		},
+		.start.srcdevid = 1
 	};
 	strcpy((char *)args.start.srcdev_name, "/dev/sda1");
 	strcpy((char *)args.start.tgtdev_name, "/dev/sdb1");
diff --git a/tests/clock_nanosleep.c b/tests/clock_nanosleep.c
index 1c4c4277..b1c423a9 100644
--- a/tests/clock_nanosleep.c
+++ b/tests/clock_nanosleep.c
@@ -47,7 +47,7 @@ main(void)
 		struct timespec ts;
 		uint32_t pad[2];
 	} req = {
-		.ts = { .tv_nsec = 0xc0de1 },
+		.ts.tv_nsec = 0xc0de1,
 		.pad = { 0xdeadbeef, 0xbadc0ded }
 	}, rem = {
 		.ts = { .tv_sec = 0xc0de2, .tv_nsec = 0xc0de3 },
diff --git a/tests/nanosleep.c b/tests/nanosleep.c
index 6b5999b1..db430e51 100644
--- a/tests/nanosleep.c
+++ b/tests/nanosleep.c
@@ -45,7 +45,7 @@ main(void)
 		struct timespec ts;
 		uint32_t pad[2];
 	} req = {
-		.ts = { .tv_nsec = 0xc0de1 },
+		.ts.tv_nsec = 0xc0de1,
 		.pad = { 0xdeadbeef, 0xbadc0ded }
 	}, rem = {
 		.ts = { .tv_sec = 0xc0de2, .tv_nsec = 0xc0de3 },