diff --git a/PIL/EpsImagePlugin.py b/PIL/EpsImagePlugin.py
index 6c4d77b19e3..cce70880a04 100644
--- a/PIL/EpsImagePlugin.py
+++ b/PIL/EpsImagePlugin.py
@@ -25,7 +25,7 @@
 import os
 import sys
 from . import Image, ImageFile
-from ._binary import i32le as i32, o32le as o32
+from ._binary import i32le as i32
 
 __version__ = "0.5"
 
diff --git a/PIL/GifImagePlugin.py b/PIL/GifImagePlugin.py
index 7fe662fc6d1..a0d38f7d6be 100644
--- a/PIL/GifImagePlugin.py
+++ b/PIL/GifImagePlugin.py
@@ -508,7 +508,6 @@ def _save_netpbm(im, fp, filename):
 
     import os
     from subprocess import Popen, check_call, PIPE, CalledProcessError
-    import tempfile
     file = im._dump()
 
     with open(filename, 'wb') as f:
diff --git a/PIL/JpegImagePlugin.py b/PIL/JpegImagePlugin.py
index f01885b6093..7a29d8bffe4 100644
--- a/PIL/JpegImagePlugin.py
+++ b/PIL/JpegImagePlugin.py
@@ -39,7 +39,7 @@
 import io
 import warnings
 from . import Image, ImageFile, TiffImagePlugin
-from ._binary import i8, o8, i16be as i16, i32be as i32
+from ._binary import i8, o8, i16be as i16
 from .JpegPresets import presets
 from ._util import isStringType
 
diff --git a/PIL/PngImagePlugin.py b/PIL/PngImagePlugin.py
index defbe54afd5..5e5eb14c735 100644
--- a/PIL/PngImagePlugin.py
+++ b/PIL/PngImagePlugin.py
@@ -37,7 +37,7 @@
 import struct
 
 from . import Image, ImageFile, ImagePalette
-from ._binary import i8, i16be as i16, i32be as i32, o8, o16be as o16, o32be as o32
+from ._binary import i8, i16be as i16, i32be as i32, o16be as o16, o32be as o32
 
 __version__ = "0.9"
 
diff --git a/PIL/TgaImagePlugin.py b/PIL/TgaImagePlugin.py
index de2844339d7..0bc52529a54 100644
--- a/PIL/TgaImagePlugin.py
+++ b/PIL/TgaImagePlugin.py
@@ -18,7 +18,7 @@
 
 
 from . import Image, ImageFile, ImagePalette
-from ._binary import i8, i16le as i16, o8, o16le as o16, o32le as o32
+from ._binary import i8, i16le as i16, o8, o16le as o16
 
 __version__ = "0.3"
 
diff --git a/Tests/test_file_jpeg.py b/Tests/test_file_jpeg.py
index b703598c53b..f90a29162f9 100644
--- a/Tests/test_file_jpeg.py
+++ b/Tests/test_file_jpeg.py
@@ -1,4 +1,4 @@
-from helper import unittest, PillowTestCase, hopper, py3
+from helper import unittest, PillowTestCase, hopper
 from helper import djpeg_available, cjpeg_available
 
 from io import BytesIO
@@ -32,11 +32,11 @@ def gen_random_image(self, size, mode='RGB'):
         """ Generates a very hard to compress file
         :param size: tuple
         :param mode: optional image mode
-        
+
         """
         return Image.frombytes(mode, size,
                                os.urandom(size[0]*size[1]*len(mode)))
-    
+
     def test_sanity(self):
 
         # internal version number
@@ -176,7 +176,7 @@ def test_progressive_cmyk_buffer(self):
         f = BytesIO()
         im = self.gen_random_image((256,256), 'CMYK')
         im.save(f, format='JPEG', progressive=True, quality=94)
-        
+
     def test_large_exif(self):
         # https://github.com/python-pillow/Pillow/issues/148
         f = self.tempfile('temp.jpg')
diff --git a/Tests/test_file_wmf.py b/Tests/test_file_wmf.py
index 9f2f893cbea..2da74cc13b0 100644
--- a/Tests/test_file_wmf.py
+++ b/Tests/test_file_wmf.py
@@ -1,6 +1,5 @@
 from helper import unittest, PillowTestCase
 from PIL import Image
-from io import BytesIO
 
 class TestFileWmf(PillowTestCase):