diff --git a/ppocr/data/imaug/ct_process.py b/ppocr/data/imaug/ct_process.py
index 597150900..67d89c281 100644
--- a/ppocr/data/imaug/ct_process.py
+++ b/ppocr/data/imaug/ct_process.py
@@ -20,7 +20,6 @@ import paddle
 
 import numpy as np
 import Polygon as plg
-import scipy.io as scio
 
 from PIL import Image
 import paddle.vision.transforms as transforms
diff --git a/ppocr/utils/utility.py b/ppocr/utils/utility.py
index b20ac6760..18cc28590 100755
--- a/ppocr/utils/utility.py
+++ b/ppocr/utils/utility.py
@@ -14,7 +14,6 @@
 
 import logging
 import os
-import imghdr
 import cv2
 import random
 import numpy as np