diff --git libcloud/compute/drivers/openstack.py libcloud/compute/drivers/openstack.py
index 8883c52..ade1644 100644
--- libcloud/compute/drivers/openstack.py
+++ libcloud/compute/drivers/openstack.py
@@ -991,12 +991,9 @@ class OpenStack_1_1_NodeDriver(OpenStackNodeDriver):
                    .object['image'])
 
     def ex_delete_image(self, image):
-        # This has not yet been implemented by OpenStack 1.1
-        raise NotImplementedError()
-
         resp = self.connection.request('/images/%s' % (image.id,),
                                        method='DELETE')
-        return resp.status == httplib.ACCEPTED
+        return resp.status == httplib.NO_CONTENT
 
     def _node_action(self, node, action, **params):
         params = params or None
diff --git test/compute/test_openstack.py test/compute/test_openstack.py
index d2f6de0..55fc1ec 100644
--- test/compute/test_openstack.py
+++ test/compute/test_openstack.py
@@ -670,12 +670,8 @@ class OpenStack_1_1_Tests(unittest.TestCase, TestCaseMixin):
 
     def test_ex_delete_image(self):
         image = NodeImage(id='26365521-8c62-11f9-2c33-283d153ecc3a', name='My Backup', driver=self.driver)
-        try:
-            self.driver.ex_delete_image(image)
-        except NotImplementedError:
-            pass
-        else:
-            self.fail('An expected error was not raised')
+        result = self.driver.ex_delete_image(image)
+        self.assertTrue(result)
 
 class OpenStack_1_1_FactoryMethodTests(OpenStack_1_1_Tests):
     should_list_locations = False
@@ -788,9 +784,9 @@ class OpenStack_1_1_MockHttp(MockHttpTestCase):
         else:
             raise NotImplementedError()
 
-    def _v1_1_slug_images_DELETEUUID(self, method, url, body, headers):
+    def _v1_1_slug_images_26365521_8c62_11f9_2c33_283d153ecc3a(self, method, url, body, headers):
         if method == "DELETE":
-            return (httplib.ACCEPTED, "", {}, httplib.responses[httplib.ACCEPTED])
+            return (httplib.NO_CONTENT, "", {}, httplib.responses[httplib.NO_CONTENT])
         else:
             raise NotImplementedError()