diff --git a/ixmp4/core/meta.py b/ixmp4/core/meta.py
index 8fdbc972..e556135f 100644
--- a/ixmp4/core/meta.py
+++ b/ixmp4/core/meta.py
@@ -1,5 +1,3 @@
-from typing import List
-
 import pandas as pd
 
 from .base import BaseFacade