diff --git a/tests/drivers/syscon/src/main.c b/tests/drivers/syscon/src/main.c
index af3577372e1..1111d95a8b9 100644
--- a/tests/drivers/syscon/src/main.c
+++ b/tests/drivers/syscon/src/main.c
@@ -18,7 +18,6 @@ ZTEST(syscon, test_size)
 	const size_t expected_size = DT_REG_SIZE(DT_NODELABEL(syscon));
 	size_t size;
 
-	zassert_not_null(dev);
 	zassert_ok(syscon_get_size(dev, &size));
 	zassert_equal(size, expected_size, "size(%zu) != expected_size(%zu)", size,
 		      expected_size);