diff --git a/src/gen-harfbuzzcc.py b/src/gen-harfbuzzcc.py
index b4f24aff0..63b333a9a 100755
--- a/src/gen-harfbuzzcc.py
+++ b/src/gen-harfbuzzcc.py
@@ -2,7 +2,7 @@
 
 "usage: gen-harfbuzzcc.py harfbuzz.cc hb-blob.cc hb-buffer.cc ..."
 
-import io, os, re, sys
+import os, re, sys
 
 if len (sys.argv) < 3:
 	sys.exit (__doc__)
diff --git a/src/gen-hb-version.py b/src/gen-hb-version.py
index beb8e5a79..24ff88354 100755
--- a/src/gen-hb-version.py
+++ b/src/gen-hb-version.py
@@ -2,7 +2,7 @@
 
 "usage: gen-hb-version.py 1.0.0 hb-version.h.in hb-version.h"
 
-import io, os, re, sys
+import os, re, sys
 
 if len (sys.argv) < 4:
 	sys.exit(__doc__)
diff --git a/src/gen-os2-unicode-ranges.py b/src/gen-os2-unicode-ranges.py
index 6faebefc3..21aa1b9c0 100755
--- a/src/gen-os2-unicode-ranges.py
+++ b/src/gen-os2-unicode-ranges.py
@@ -5,7 +5,6 @@ Input is a tab seperated list of unicode ranges from the otspec
 (https://docs.microsoft.com/en-us/typography/opentype/spec/os2#ur).
 """
 
-import io
 import re
 import sys
 
diff --git a/src/gen-ragel-artifacts.py b/src/gen-ragel-artifacts.py
index 53a303849..5833714e4 100755
--- a/src/gen-ragel-artifacts.py
+++ b/src/gen-ragel-artifacts.py
@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-import io, os, re, sys, subprocess, shutil, tempfile
+import os, re, sys, subprocess, shutil, tempfile
 
-os.chdir(os.path.dirname(__file__))
+os.chdir (os.path.dirname (__file__))
 
 if len (sys.argv) < 2:
 	ragel_sources = [x for x in os.listdir ('.') if x.endswith ('.rl')]
@@ -37,4 +37,4 @@ for rl in ragel_sources:
 	if generated != current:
 		shutil.copyfile (generated_path, hh)
 
-shutil.rmtree(tempdir)
+shutil.rmtree (tempdir)
diff --git a/src/gen-ucd-table.py b/src/gen-ucd-table.py
index 6612250cc..402de3377 100755
--- a/src/gen-ucd-table.py
+++ b/src/gen-ucd-table.py
@@ -6,7 +6,7 @@ Input file:
 * https://unicode.org/Public/UCD/latest/ucdxml/ucd.nounihan.grouped.zip
 """
 
-import io, os.path, sys, re
+import os.path, sys, re
 import logging
 logging.basicConfig(format='%(levelname)s: %(message)s', level=logging.INFO)
 
diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index 10b775113..f32a4fa9b 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -120,7 +120,7 @@ def has_ots ():
 def check_ots (path):
 	ots_report, returncode = cmd ([ots_sanitize, path])
 	if returncode:
-		print("OTS Failure: %s" % ots_report);
+		print ("OTS Failure: %s" % ots_report)
 		return False
 	return True
 
diff --git a/test/subset/subset_test_suite.py b/test/subset/subset_test_suite.py
index d549fd669..b7fd10590 100644
--- a/test/subset/subset_test_suite.py
+++ b/test/subset/subset_test_suite.py
@@ -17,8 +17,8 @@ class Test:
 			return ",".join("%X" % ord(c) for (i, c) in enumerate(self.subset))
 
 	def get_profile_flags(self):
-		with open(self.profile_path, mode="r", encoding="utf-8") as f:
-		    return f.read().splitlines();
+		with open (self.profile_path, mode="r", encoding="utf-8") as f:
+		    return f.read().splitlines()
 
 	def get_font_name(self):
 		font_base_name = os.path.basename(self.font_path)