--- a/tests/test_functionality.py
+++ b/tests/test_functionality.py
@@ -74,2 +74,3 @@ class BasicUsage(utils.YappiUnitTestCase):
    
+    @_unittest.skip('wall-clock-time-sensitive')
     def test_get_clock(self):
--- a/tests/test_hooks.py
+++ b/tests/test_hooks.py
@@ -124,2 +124,3 @@ class ContextIdCallbackTest(utils.YappiUnitTestCase):
 
+    @unittest.skip('wall-clock-time-sensitive')
     def test_pause_resume(self):