diff --git a/spacy/ml/staticvectors.py b/spacy/ml/staticvectors.py
index c613e1824..e70bbe1aa 100644
--- a/spacy/ml/staticvectors.py
+++ b/spacy/ml/staticvectors.py
@@ -1,11 +1,13 @@
-from typing import List, Tuple, Callable, Optional, Sequence, cast
+from typing import List, Tuple, Callable, Optional, cast
+import warnings
+
 from thinc.initializers import glorot_uniform_init
 from thinc.util import partial
 from thinc.types import Ragged, Floats2d, Floats1d, Ints1d
 from thinc.api import Model, Ops, registry
 
 from ..tokens import Doc
-from ..errors import Errors
+from ..errors import Errors, Warnings
 from ..vectors import Mode
 from ..vocab import Vocab