diff --git a/os-vif/os_vif/internal/__init__.py b/os-vif/os_vif/internal/__init__.py

index 4cb3fd1..94e731d 100644

--- a/os-vif/os_vif/internal/__init__.py

+++ b/os-vif/os_vif/internal/__init__.py

@@ -9,17 +9,3 @@

 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

 #    License for the specific language governing permissions and limitations

 #    under the License.

-

-import inspect

-from os import path

-

-from os_vif import exception

-

-os_vif_root = path.dirname(path.dirname(path.dirname(__file__)))

-frames_info = inspect.getouterframes(inspect.currentframe())

-for frame_info in frames_info[1:]:

-    importer_filename = inspect.getframeinfo(frame_info[0]).filename

-    if os_vif_root in importer_filename:

-        break

-else:

-    raise exception.ExternalImport()