diff --git a/nova/tests/test_compute.py b/nova/tests/test_compute.py
index 2664adc0..1fb9143f 100644
--- a/nova/tests/test_compute.py
+++ b/nova/tests/test_compute.py
@@ -151,11 +151,6 @@ class ComputeTestCase(test.TestCase):
         self.compute.reboot_instance(self.context, instance_id)
         self.compute.terminate_instance(self.context, instance_id)
 
-    def test_diagnostics(self):
-        """Ensure instance diagnostics are available"""
-        instance_id = self._create_instance()
-        self.compute.get_diagnostics(self.context, instance_id)
-
     def test_snapshot(self):
         """Ensure instance can be snapshotted"""
         instance_id = self._create_instance()