diff --git a/gnulib-tests/test-canonicalize.c b/gnulib-tests/test-canonicalize.c
index 8d1ff86..0f3c5e3 100644
--- a/gnulib-tests/test-canonicalize.c
+++ b/gnulib-tests/test-canonicalize.c
@@ -71,10 +71,6 @@ main (void)
     ASSERT (result2 == NULL);
     ASSERT (errno == ENOENT);
     errno = 0;
-    result1 = canonicalize_file_name (null_ptr ());
-    ASSERT (result1 == NULL);
-    ASSERT (errno == EINVAL);
-    errno = 0;
     result2 = canonicalize_filename_mode (NULL, CAN_EXISTING);
     ASSERT (result2 == NULL);
     ASSERT (errno == EINVAL);