diff --git a/src/torchjd/aggregation/_utils/check_dependencies.py b/src/torchjd/aggregation/_utils/check_dependencies.py
deleted file mode 100644
index 21ced4f1..00000000
--- a/src/torchjd/aggregation/_utils/check_dependencies.py
+++ /dev/null
@@ -1,16 +0,0 @@
-from importlib.util import find_spec
-
-
-class OptionalDepsNotInstalledError(ModuleNotFoundError):
-    pass
-
-
-def check_dependencies_are_installed(dependency_names: list[str]) -> None:
-    """
-    Check that the required list of dependencies are installed.
-
-    This can be useful for Aggregators whose dependencies are optional when installing torchjd.
-    """
-
-    if any(find_spec(name) is None for name in dependency_names):
-        raise OptionalDepsNotInstalledError()