diff --git a/clipper_admin/clipper_admin/clipper_admin.py b/clipper_admin/clipper_admin/clipper_admin.py
index b640af0a2..ab5cb96f0 100644
--- a/clipper_admin/clipper_admin/clipper_admin.py
+++ b/clipper_admin/clipper_admin/clipper_admin.py
@@ -236,6 +236,11 @@ def register_application(self, name, input_type, default_output,
                     app=name))
 
     def delete_application(self, name):
+        # See: https://github.com/ucbrise/clipper/issues/603
+        self.logger.warning("[DEPRECATED] Use 'unregister_application' API instead of this.")
+        self.unregister_application(name)
+
+    def unregister_application(self, name):
         if not self.connected:
             raise UnconnectedException()
 
@@ -252,7 +257,7 @@ def delete_application(self, name):
             raise ClipperException(msg)
         else:
             self.logger.info(
-                "Application {app} was successfully deleted".format(app=name))
+                "Application {app} was successfully unregistered".format(app=name))
 
     def link_model_to_app(self, app_name, model_name):
         """Routes requests from the specified app to be evaluted by the specified model.
diff --git a/integration-tests/clipper_admin_tests.py b/integration-tests/clipper_admin_tests.py
index 797e8b06b..3d10e4cbc 100644
--- a/integration-tests/clipper_admin_tests.py
+++ b/integration-tests/clipper_admin_tests.py
@@ -91,14 +91,14 @@ def test_link_not_registered_model_to_app_fails(self):
             self.clipper_conn.link_model_to_app(app_name, not_deployed_model)
         self.assertTrue("No model with name" in str(context.exception))
 
-    def test_delete_application_correct(self):
+    def test_unregister_application_correct(self):
         input_type = "doubles"
         default_output = "DEFAULT"
         slo_micros = 30000
         app_name = "testapp"
         self.clipper_conn.register_application(app_name, input_type,
                                                default_output, slo_micros)
-        self.clipper_conn.delete_application(app_name)
+        self.clipper_conn.unregister_application(app_name)
         registered_applications = self.clipper_conn.get_all_apps()
         self.assertEqual(len(registered_applications), 0)
         self.assertTrue(app_name not in registered_applications)
@@ -850,8 +850,8 @@ def test_remove_inactive_container(self):
     'test_register_py_endpoint',
     'test_test_predict_function',
     'test_build_model_with_custom_packages',
-    'test_delete_application_correct',
-    'test_query_specific_model_version'
+    'test_unregister_application_correct',
+    'test_query_specific_model_version',
 ]
 
 LONG_TEST_ORDERING = [