diff --git a/test/core.c b/test/core.c
index b9e3bbf..4b36b2d 100644
--- a/test/core.c
+++ b/test/core.c
@@ -129,8 +129,6 @@ int nfit_test_init(struct kmod_ctx **ctx, struct kmod_module **mod,
 		"nfit",
 		"device_dax",
 		"dax_pmem",
-		"dax_pmem_core",
-		"dax_pmem_compat",
 		"libnvdimm",
 		"nd_blk",
 		"nd_btt",
diff --git a/test/device-dax.c b/test/device-dax.c
index b19c1ed..d85862b 100644
--- a/test/device-dax.c
+++ b/test/device-dax.c
@@ -166,6 +166,7 @@ static int __test_device_dax(unsigned long align, int loglevel,
 	if (!ndctl_test_attempt(test, KERNEL_VERSION(4, 7, 0)))
 		return 77;
 
+#if 0
 	/* setup up fsdax mode pmem device and seed with verification data */
 	rc = setup_pmem_fsdax_mode(ndns, align);
 	if (rc < 0 || !(pfn = ndctl_namespace_get_pfn(ndns))) {
@@ -199,7 +200,7 @@ static int __test_device_dax(unsigned long align, int loglevel,
 	}
 	fsync(fd);
 	close(fd);
-
+#endif
 	/* switch the namespace to device-dax mode and verify data via mmap */
 	rc = setup_device_dax(ndns, align);
 	if (rc < 0) {
@@ -219,6 +220,7 @@ static int __test_device_dax(unsigned long align, int loglevel,
 	}
 
 	sprintf(path, "/dev/%s", daxctl_dev_get_devname(dev));
+#if 0
 	fd = open(path, O_RDONLY);
 	if (fd < 0) {
 		fprintf(stderr, "%s: failed to open(O_RDONLY) device-dax instance\n",
@@ -246,7 +248,7 @@ static int __test_device_dax(unsigned long align, int loglevel,
 
 	close(fd);
 	munmap(buf, VERIFY_SIZE(align));
-
+#endif
 	/*
 	 * Prior to 4.8-final these tests cause crashes, or are
 	 * otherwise not supported.
@@ -262,6 +264,7 @@ static int __test_device_dax(unsigned long align, int loglevel,
 			rc = -ENXIO;
 			goto out;
 		}
+
 		rc = test_dax_directio(fd, align, NULL, 0);
 		if (rc) {
 			fprintf(stderr, "%s: failed dax direct-i/o\n",
diff --git a/test/libndctl.c b/test/libndctl.c
index 02bb9cc..2a20941 100644
--- a/test/libndctl.c
+++ b/test/libndctl.c
@@ -160,9 +160,9 @@ static struct btt {
 	int enabled;
 	uuid_t uuid;
 	int num_sector_sizes;
-	unsigned int sector_sizes[7];
+	unsigned int sector_sizes[2];
 } default_btt = {
-	0, { 0, }, 7, { 512, 520, 528, 4096, 4104, 4160, 4224, },
+	0, { 0, }, 2, { 512, 4096, },
 };
 
 struct pfn {
@@ -214,8 +214,8 @@ static struct btt btt_settings = {
 	.uuid = {  0,  1,  2,  3,  4,  5,  6,  7,
 		   8, 9,  10, 11, 12, 13, 14, 15
 	},
-	.num_sector_sizes = 7,
-	.sector_sizes =  { 512, 520, 528, 4096, 4104, 4160, 4224, },
+	.num_sector_sizes = 2,
+	.sector_sizes =  { 512, 4096, },
 };
 
 static struct pfn pfn_settings = {
@@ -250,7 +250,7 @@ struct namespace {
 };
 
 static uuid_t null_uuid;
-static unsigned long blk_sector_sizes[] = { 512, 520, 528, 4096, 4104, 4160, 4224, };
+static unsigned long blk_sector_sizes[] = { 512, 4096, };
 static unsigned long pmem_sector_sizes[] = { 512, 4096 };
 static unsigned long io_sector_sizes[] = { 0 };