diff --git a/src/scanspec/core.py b/src/scanspec/core.py
index e14b6301..de10ab74 100644
--- a/src/scanspec/core.py
+++ b/src/scanspec/core.py
@@ -9,9 +9,6 @@
     Generic,
     Literal,
     TypeVar,
-    get_origin,
-    get_type_hints,
-    overload,
 )
 
 import numpy as np