diff --git a/pyproject.toml b/pyproject.toml
index 878c912a..4a593900 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -77,7 +77,6 @@ test = [
 ]
 test_extras = [
     "importlib_metadata",
-    "crc32c",  # TODO: remove once zarr-python does not depend on crc32c anymore
 ]
 
 [dependency-groups]