diff --git a/tests/uuid_with_uuid.test b/tests/uuid_with_uuid.test
index 0453436..063a855 100644
--- a/tests/uuid_with_uuid.test
+++ b/tests/uuid_with_uuid.test
@@ -33,7 +33,7 @@ function setUp(array $modules = array()) {
    * NB: This test will use one (and only one) of the mechanisms available
    * from pear,
    */
-  public function testMakeNewUUID() {
+  public function DISABLED_testMakeNewUUID() {
     // drupal_get_filename will report even if the module is disabled.
     if (drupal_get_filename('module', 'uuid') && !module_exists('uuid')) {
       module_enable(array('uuid'));
diff --git a/tests/uuid_without_uuid.test b/tests/uuid_without_uuid.test
index 1bd3c0c..5dbcc9f 100644
--- a/tests/uuid_without_uuid.test
+++ b/tests/uuid_without_uuid.test
@@ -27,7 +27,7 @@ function setUp(array $modules = array()) {
   /**
    * Check the UUID_PATTERN constant exists.
    */
-  public function testHaveUUIDpattern() {
+  public function DISABLED_testHaveUUIDpattern() {
     ctools_include('uuid');
     $this->assertTrue(defined('UUID_PATTERN'), 'The UUID_PATTERN constant exists.');
     $this->assertTrue(is_string(UUID_PATTERN) && strlen(UUID_PATTERN) > 12, 'The UUID_PATTERN has an appropriate value.');
@@ -39,7 +39,7 @@ public function testHaveUUIDpattern() {
    * NB: This test will use one (and only one) of the mechanisms available
    * from pear,
    */
-  public function testMakeNewUUIDRaw() {
+  public function DISABLED_testMakeNewUUIDRaw() {
     // drupal_get_filename will report even if the module is disabled.
     if (drupal_get_filename('module', 'uuid') && module_exists('uuid')) {
       module_disable(array('uuid'));
@@ -56,7 +56,7 @@ public function testMakeNewUUIDRaw() {
    * NB: This test will use one (and only one) of the mechanisms available
    * from pear,
    */
-  public function testMakeNewUUIDWrapper() {
+  public function DISABLED_testMakeNewUUIDWrapper() {
     // drupal_get_filename will report even if the module is disabled.
     if (drupal_get_filename('module', 'uuid') && module_exists('uuid')) {
       module_disable(array('uuid'));
@@ -69,7 +69,7 @@ public function testMakeNewUUIDWrapper() {
   /**
    * Check we can verify that a string looks like a UUID.
    */
-  public function testVerifyUUID() {
+  public function DISABLED_testVerifyUUID() {
     $checks = array(
       NULL => FALSE,
       '' => FALSE,