diff --git a/test/test-utilities.script b/test/test-utilities.script
index 602ea48742215348cc7034d837e59681e4f731e8..e252a313ddb73d7e77074d516a615a77bc2f3107 100644
--- a/test/test-utilities.script
+++ b/test/test-utilities.script
@@ -20,9 +20,10 @@
  (every (complement #'directory-pathname-p)
   (list
    (make-pathname :name "foo" :type nil :directory '(:absolute "tmp"))
-   (make-pathname :name nil :type "bar" :directory '(:absolute "tmp"))
-   (make-pathname :name "." :type nil :directory '(:absolute "tmp"))
-   (make-pathname :name "." :type "" :directory '(:absolute "tmp")))))
+   (make-pathname :name nil :type "bar" :directory '(:absolute "tmp")))))
+;; These are funky and non portable. Omit from tests.
+;; (make-pathname :name "." :type nil :directory '(:absolute "tmp"))
+;; (make-pathname :name "." :type "" :directory '(:absolute "tmp"))
 (assert (equal (multiple-value-list (component-name-to-pathname-components "" t))
                '(:relative nil nil)))
 (assert (equal (multiple-value-list (component-name-to-pathname-components "" nil))