diff --git a/scripts/model_zoo/update-models-from-caffe2.py b/scripts/model_zoo/update-models-from-caffe2.py
index fb582a047bc62..d3e46e449d8ab 100644
--- a/scripts/model_zoo/update-models-from-caffe2.py
+++ b/scripts/model_zoo/update-models-from-caffe2.py
@@ -6,15 +6,12 @@
 import caffe2.python.workspace as c2_workspace
 import glob
 import json
-import math
 import numpy as np
 import onnx
 import caffe2.python.onnx.frontend
 import caffe2.python.onnx.backend
 import os
 import shutil
-import subprocess
-import sys
 import tarfile
 import tempfile
 
@@ -25,7 +22,6 @@
 from caffe2.python.models.download import downloadFromURLToFile, getURLFromName, deleteDirectory
 from caffe2.proto import caffe2_pb2
 from onnx import numpy_helper
-from filechunkio import FileChunkIO
 
 
 """A script converting Caffe2 models to ONNX, and updating ONNX model zoos.
diff --git a/scripts/release_notes/categorize.py b/scripts/release_notes/categorize.py
index b72eb9094b7ba..985d11f2e2bdd 100644
--- a/scripts/release_notes/categorize.py
+++ b/scripts/release_notes/categorize.py
@@ -1,8 +1,7 @@
-import json
 import argparse
 import os
 import textwrap
-from common import dict_to_features, categories, topics, get_features, CommitDataCache
+from common import categories, topics, CommitDataCache
 from commitlist import CommitList
 
 class Categorizer:
diff --git a/scripts/release_notes/commitlist.py b/scripts/release_notes/commitlist.py
index fda7c913addde..0a76f896f2170 100644
--- a/scripts/release_notes/commitlist.py
+++ b/scripts/release_notes/commitlist.py
@@ -1,6 +1,6 @@
 import argparse
 from common import run, topics
-from collections import namedtuple, defaultdict
+from collections import defaultdict
 import os
 import csv
 import pprint