diff --git a/src/oaklib/implementations/semsimian/semsimian_implementation.py b/src/oaklib/implementations/semsimian/semsimian_implementation.py
index 5ac35a3da..61572a1de 100644
--- a/src/oaklib/implementations/semsimian/semsimian_implementation.py
+++ b/src/oaklib/implementations/semsimian/semsimian_implementation.py
@@ -16,8 +16,7 @@
     Union,
 )
 
-if TYPE_CHECKING:
-    from semsimian import Semsimian
+from semsimian import Semsimian
 
 from oaklib.datamodels.similarity import (
     BestMatch,