diff --git a/masque/test/test_file_roundtrip.py b/masque/test/test_file_roundtrip.py
index 6933d61..2cfb0d1 100644
--- a/masque/test/test_file_roundtrip.py
+++ b/masque/test/test_file_roundtrip.py
@@ -9,9 +9,6 @@ from ..shapes import Path as MPath, Circle, Polygon
 from ..repetition import Grid, Arbitrary
 
 def create_test_library(for_gds: bool = False) -> Library:
-    from ..file import gdsii
-    if not for_gds:
-        from ..file import oasis
     lib = Library()
 
     # 1. Polygons