diff --git a/emmet-core/emmet/core/settings.py b/emmet-core/emmet/core/settings.py
index 4a57b36967..4f096f0f84 100644
--- a/emmet-core/emmet/core/settings.py
+++ b/emmet-core/emmet/core/settings.py
@@ -1,13 +1,13 @@
 """
 Settings for defaults in the core definitions of Materials Project Documents
 """
-import importlib
 import json
-from typing import Dict, List, Optional, Type, TypeVar, Union
+from pathlib import Path
+from typing import Dict, List, Type, TypeVar, Union
 
 import requests
 from pydantic import BaseSettings, Field, root_validator, validator
-from pydantic.types import Path, PyObject
+from pydantic.types import PyObject
 
 DEFAULT_CONFIG_FILE_PATH = str(Path.home().joinpath(".emmet.json"))
 
diff --git a/emmet-core/emmet/core/vasp/material.py b/emmet-core/emmet/core/vasp/material.py
index 862c628e84..bca02a369c 100644
--- a/emmet-core/emmet/core/vasp/material.py
+++ b/emmet-core/emmet/core/vasp/material.py
@@ -1,12 +1,9 @@
 """ Core definition of a Materials Document """
-from datetime import datetime
-from functools import partial
-from typing import ClassVar, List, Mapping, Optional, Sequence, Tuple, TypeVar, Union
+from typing import Dict, List, Mapping, Sequence
 
-from pydantic import BaseModel, Field, create_model
+from pydantic import Field
 from pymatgen.analysis.structure_analyzer import SpacegroupAnalyzer
-from pymatgen.analysis.structure_matcher import ElementComparator, StructureMatcher
-from pymatgen.core import Structure
+from pymatgen.analysis.structure_matcher import StructureMatcher
 from pymatgen.entries.computed_entries import ComputedStructureEntry
 
 from emmet.core import SETTINGS