remove `from __future__ import ...` directives

These are only useful when we're running code in a Python 2.7
interpreter. Since we no longer support python2, drop these.

BUG=b:244644217
TEST=run_tests_for.py shows no new failures

Change-Id: Ief9a12b87a560ab38ca71668636874bcb434a0b3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/3877339
Reviewed-by: Ryan Beltran <ryanbeltran@chromium.org>
Commit-Queue: George Burgess <gbiv@chromium.org>
Reviewed-by: Jordan Abrahams-Whitehead <ajordanr@google.com>
Tested-by: George Burgess <gbiv@chromium.org>

165 files changed, 0 insertions, 208 deletions

diff --git a/afdo_redaction/redact_profile.py b/afdo_redaction/redact_profile.py
index f37199e3..d9f3d6ab 100755
--- a/afdo_redaction/redact_profile.py
+++ b/afdo_redaction/redact_profile.py
@@ -24,8 +24,6 @@ It reads a textual AFDO profile from stdin, and prints a 'fixed' version of it
 to stdout. A summary of what the script actually did is printed to stderr.
 """
 
-from __future__ import division
-from __future__ import print_function
 
 import collections
 import re
diff --git a/afdo_redaction/redact_profile_test.py b/afdo_redaction/redact_profile_test.py
index 154f8f7e..487c5091 100755
--- a/afdo_redaction/redact_profile_test.py
+++ b/afdo_redaction/redact_profile_test.py
@@ -6,8 +6,6 @@
 
 """Tests for redact_profile.py."""
 
-from __future__ import division
-from __future__ import print_function
 
 import io
 import unittest
diff --git a/afdo_redaction/remove_cold_functions.py b/afdo_redaction/remove_cold_functions.py
index 4b4eaec6..6501cec0 100755
--- a/afdo_redaction/remove_cold_functions.py
+++ b/afdo_redaction/remove_cold_functions.py
@@ -24,8 +24,6 @@ This is part of the effort to stablize the impact of AFDO profile on
 Chrome binary size. See crbug.com/1062014 for more context.
 """
 
-from __future__ import division
-from __future__ import print_function
 
 import argparse
 import collections
diff --git a/afdo_redaction/remove_cold_functions_test.py b/afdo_redaction/remove_cold_functions_test.py
index a203ab15..ed8b1972 100755
--- a/afdo_redaction/remove_cold_functions_test.py
+++ b/afdo_redaction/remove_cold_functions_test.py
@@ -6,7 +6,6 @@
 
 """Tests for remove_cold_functions."""
 
-from __future__ import print_function
 
 import io
 import unittest
diff --git a/afdo_redaction/remove_indirect_calls.py b/afdo_redaction/remove_indirect_calls.py
index 6d77ba7a..769bd0ff 100755
--- a/afdo_redaction/remove_indirect_calls.py
+++ b/afdo_redaction/remove_indirect_calls.py
@@ -17,8 +17,6 @@ objects as Chrome, this can become problematic, and lead to NaCl doubling in
 size (or worse). See crbug.com/1005023 and crbug.com/916130.
 """
 
-from __future__ import division
-from __future__ import print_function
 
 import argparse
 import re
diff --git a/afdo_redaction/remove_indirect_calls_test.py b/afdo_redaction/remove_indirect_calls_test.py
index f3b4c5cc..b24de45a 100755
--- a/afdo_redaction/remove_indirect_calls_test.py
+++ b/afdo_redaction/remove_indirect_calls_test.py
@@ -6,7 +6,6 @@
 
 """Tests for remove_indirect_calls"""
 
-from __future__ import print_function
 
 import io
 import unittest
diff --git a/afdo_tools/bisection/afdo_prof_analysis.py b/afdo_tools/bisection/afdo_prof_analysis.py
index a7bb4a4c..ee9b0c92 100755
--- a/afdo_tools/bisection/afdo_prof_analysis.py
+++ b/afdo_tools/bisection/afdo_prof_analysis.py
@@ -20,7 +20,6 @@ exit code. The codes known to this script are:
   - >127: quit immediately
 """
 
-from __future__ import division, print_function
 
 import argparse
 import json
diff --git a/afdo_tools/bisection/afdo_prof_analysis_e2e_test.py b/afdo_tools/bisection/afdo_prof_analysis_e2e_test.py
index 4fe265c9..e9a72b13 100755
--- a/afdo_tools/bisection/afdo_prof_analysis_e2e_test.py
+++ b/afdo_tools/bisection/afdo_prof_analysis_e2e_test.py
@@ -6,7 +6,6 @@
 
 """End-to-end test for afdo_prof_analysis."""
 
-from __future__ import absolute_import, division, print_function
 
 import json
 import os
diff --git a/afdo_tools/bisection/afdo_prof_analysis_test.py b/afdo_tools/bisection/afdo_prof_analysis_test.py
index 6d4b17d3..d21a3596 100755
--- a/afdo_tools/bisection/afdo_prof_analysis_test.py
+++ b/afdo_tools/bisection/afdo_prof_analysis_test.py
@@ -6,7 +6,6 @@
 
 """Tests for afdo_prof_analysis."""
 
-from __future__ import print_function
 
 import random
 import io
diff --git a/afdo_tools/generate_afdo_from_tryjob.py b/afdo_tools/generate_afdo_from_tryjob.py
index 3c5c7f64..30f5b570 100755
--- a/afdo_tools/generate_afdo_from_tryjob.py
+++ b/afdo_tools/generate_afdo_from_tryjob.py
@@ -6,7 +6,6 @@
 
 """Given a tryjob and perf profile, generates an AFDO profile."""
 
-from __future__ import print_function
 
 import argparse
 import distutils.spawn
diff --git a/afdo_tools/run_afdo_tryjob.py b/afdo_tools/run_afdo_tryjob.py
index 5112723e..1e832c4e 100755
--- a/afdo_tools/run_afdo_tryjob.py
+++ b/afdo_tools/run_afdo_tryjob.py
@@ -49,7 +49,6 @@ If you provide neither --use_afdo_generation_stage nor
 since it's safer.
 """
 
-from __future__ import print_function
 
 import argparse
 import collections
diff --git a/binary_search_tool/binary_search_perforce.py b/binary_search_tool/binary_search_perforce.py
index b4332ab6..d8e7f77b 100755
--- a/binary_search_tool/binary_search_perforce.py
+++ b/binary_search_tool/binary_search_perforce.py
@@ -5,8 +5,6 @@
 # found in the LICENSE file.
 
 """Module of binary serch for perforce."""
-from __future__ import division
-from __future__ import print_function
 
 import argparse
 import math
diff --git a/binary_search_tool/binary_search_state.py b/binary_search_tool/binary_search_state.py
index 1ede37f8..bd04d1b1 100755
--- a/binary_search_tool/binary_search_state.py
+++ b/binary_search_tool/binary_search_state.py
@@ -6,8 +6,6 @@
 
 """The binary search wrapper."""
 
-from __future__ import division
-from __future__ import print_function
 
 import argparse
 import contextlib
diff --git a/binary_search_tool/bisect_driver.py b/binary_search_tool/bisect_driver.py
index 2f6cd85b..ddab1682 100644
--- a/binary_search_tool/bisect_driver.py
+++ b/binary_search_tool/bisect_driver.py
@@ -19,7 +19,6 @@ Design doc:
 https://docs.google.com/document/d/1yDgaUIa2O5w6dc3sSTe1ry-1ehKajTGJGQCbyn0fcEM
 """
 
-from __future__ import print_function
 
 import contextlib
 import fcntl
diff --git a/binary_search_tool/common.py b/binary_search_tool/common.py
index b8a7a1d2..1f7886f4 100644
--- a/binary_search_tool/common.py
+++ b/binary_search_tool/common.py
@@ -21,7 +21,6 @@ ArgumentDict inherits OrderedDict in order to preserve the order the args are
 created so the help text is made properly.
 """
 
-from __future__ import print_function
 
 import collections
 import os
diff --git a/binary_search_tool/compiler_wrapper.py b/binary_search_tool/compiler_wrapper.py
index acb7f9eb..02dd332e 100755
--- a/binary_search_tool/compiler_wrapper.py
+++ b/binary_search_tool/compiler_wrapper.py
@@ -20,7 +20,6 @@ Design doc:
 https://docs.google.com/document/d/1yDgaUIa2O5w6dc3sSTe1ry-1ehKajTGJGQCbyn0fcEM
 """
 
-from __future__ import print_function
 
 import os
 import shlex
diff --git a/binary_search_tool/cros_pkg/create_cleanup_script.py b/binary_search_tool/cros_pkg/create_cleanup_script.py
index aebf523a..5c46d3ef 100755
--- a/binary_search_tool/cros_pkg/create_cleanup_script.py
+++ b/binary_search_tool/cros_pkg/create_cleanup_script.py
@@ -13,7 +13,6 @@ undo the changes made by setup.sh, returning everything to its
 original state.
 """
 
-from __future__ import print_function
 
 import argparse
 import sys
diff --git a/binary_search_tool/run_bisect.py b/binary_search_tool/run_bisect.py
index eeda98cc..480408d7 100755
--- a/binary_search_tool/run_bisect.py
+++ b/binary_search_tool/run_bisect.py
@@ -6,7 +6,6 @@
 
 """The unified package/object bisecting tool."""
 
-from __future__ import print_function
 
 import abc
 import argparse
diff --git a/binary_search_tool/run_bisect_tests.py b/binary_search_tool/run_bisect_tests.py
index 22092ff9..ae230131 100755
--- a/binary_search_tool/run_bisect_tests.py
+++ b/binary_search_tool/run_bisect_tests.py
@@ -6,7 +6,6 @@
 
 """Run full bisection test."""
 
-from __future__ import print_function
 
 import argparse
 import os
diff --git a/binary_search_tool/sysroot_wrapper/testing_test.py b/binary_search_tool/sysroot_wrapper/testing_test.py
index 2523c0be..20bc7f75 100755
--- a/binary_search_tool/sysroot_wrapper/testing_test.py
+++ b/binary_search_tool/sysroot_wrapper/testing_test.py
@@ -11,7 +11,6 @@ chromeos-chrome built for a daisy board, if you are using another package you
 will need to change the base_path accordingly.
 """
 
-from __future__ import print_function
 
 import subprocess
 import sys
diff --git a/binary_search_tool/test/binary_search_tool_test.py b/binary_search_tool/test/binary_search_tool_test.py
index f9070989..b2bbec01 100755
--- a/binary_search_tool/test/binary_search_tool_test.py
+++ b/binary_search_tool/test/binary_search_tool_test.py
@@ -6,8 +6,6 @@
 
 """Tests for bisecting tool."""
 
-from __future__ import division
-from __future__ import print_function
 
 __author__ = "shenhan@google.com (Han Shen)"
 
diff --git a/binary_search_tool/test/cmd_script.py b/binary_search_tool/test/cmd_script.py
index b668280e..73852bc5 100755
--- a/binary_search_tool/test/cmd_script.py
+++ b/binary_search_tool/test/cmd_script.py
@@ -11,7 +11,6 @@ It assumes that -opt-bisect-limit and -print-debug-counter are supported by the
 compiler.
 """
 
-from __future__ import print_function
 
 import os
 import sys
diff --git a/binary_search_tool/test/cmd_script_no_support.py b/binary_search_tool/test/cmd_script_no_support.py
index d2c8c39b..7c5297d2 100644
--- a/binary_search_tool/test/cmd_script_no_support.py
+++ b/binary_search_tool/test/cmd_script_no_support.py
@@ -9,7 +9,6 @@ This script generates a pseudo log when certain bisecting flags are not
 supported by compiler.
 """
 
-from __future__ import print_function
 
 import os
 import sys
diff --git a/binary_search_tool/test/gen_init_list.py b/binary_search_tool/test/gen_init_list.py
index 1fe1b43e..927ad22c 100755
--- a/binary_search_tool/test/gen_init_list.py
+++ b/binary_search_tool/test/gen_init_list.py
@@ -6,7 +6,6 @@
 
 """Prints out index for every object file, starting from 0."""
 
-from __future__ import print_function
 
 import sys
 
diff --git a/binary_search_tool/test/gen_obj.py b/binary_search_tool/test/gen_obj.py
index aa9a9344..e1eb4913 100755
--- a/binary_search_tool/test/gen_obj.py
+++ b/binary_search_tool/test/gen_obj.py
@@ -10,7 +10,6 @@
 1 represents a bad object file.
 """
 
-from __future__ import print_function
 
 import argparse
 import os
diff --git a/binary_search_tool/test/generate_cmd.py b/binary_search_tool/test/generate_cmd.py
index bcfe176d..b02c2ad3 100755
--- a/binary_search_tool/test/generate_cmd.py
+++ b/binary_search_tool/test/generate_cmd.py
@@ -10,7 +10,6 @@ This is a required argument for pass level bisecting. For unit test, we use
 this script to verify if cmd_script.sh is generated correctly.
 """
 
-from __future__ import print_function
 
 import os
 import sys
diff --git a/binary_search_tool/test/is_good.py b/binary_search_tool/test/is_good.py
index 3be7248f..51ee742c 100755
--- a/binary_search_tool/test/is_good.py
+++ b/binary_search_tool/test/is_good.py
@@ -6,7 +6,6 @@
 
 """Check to see if the working set produces a good executable."""
 
-from __future__ import print_function
 
 import os
 import sys
diff --git a/binary_search_tool/test/is_good_noinc_prune.py b/binary_search_tool/test/is_good_noinc_prune.py
index 4e520162..5fe4ed72 100755
--- a/binary_search_tool/test/is_good_noinc_prune.py
+++ b/binary_search_tool/test/is_good_noinc_prune.py
@@ -12,7 +12,6 @@ to the switch scripts is equals to the actual number of items (i.e. checking
 that noincremental always holds).
 """
 
-from __future__ import print_function
 
 import os
 import sys
diff --git a/binary_search_tool/test/switch_tmp.py b/binary_search_tool/test/switch_tmp.py
index 2ff35427..674433eb 100755
--- a/binary_search_tool/test/switch_tmp.py
+++ b/binary_search_tool/test/switch_tmp.py
@@ -12,7 +12,6 @@ this script) content. Every line in the file is an object index, which will be
 set to good (mark as 42).
 """
 
-from __future__ import print_function
 
 import sys
 
diff --git a/binary_search_tool/test/switch_to_bad.py b/binary_search_tool/test/switch_to_bad.py
index 17061dd3..c711d19f 100755
--- a/binary_search_tool/test/switch_to_bad.py
+++ b/binary_search_tool/test/switch_to_bad.py
@@ -6,7 +6,6 @@
 
 """Switch part of the objects file in working set to (possible) bad ones."""
 
-from __future__ import print_function
 
 import sys
 
diff --git a/binary_search_tool/test/switch_to_bad_noinc_prune.py b/binary_search_tool/test/switch_to_bad_noinc_prune.py
index dd57324f..473ade81 100755
--- a/binary_search_tool/test/switch_to_bad_noinc_prune.py
+++ b/binary_search_tool/test/switch_to_bad_noinc_prune.py
@@ -18,7 +18,6 @@ that noincremental always holds).
 Warning: This switch script assumes the --file_args option
 """
 
-from __future__ import print_function
 
 import shutil
 import sys
diff --git a/binary_search_tool/test/switch_to_bad_set_file.py b/binary_search_tool/test/switch_to_bad_set_file.py
index 6a4f9131..002622de 100755
--- a/binary_search_tool/test/switch_to_bad_set_file.py
+++ b/binary_search_tool/test/switch_to_bad_set_file.py
@@ -10,7 +10,6 @@ This script is meant to be specifically used with the set_file test. This uses
 the set files generated by binary_search_state to do the switching.
 """
 
-from __future__ import print_function
 
 import os
 import sys
diff --git a/binary_search_tool/test/switch_to_good.py b/binary_search_tool/test/switch_to_good.py
index bcbe5c28..a4d173d2 100755
--- a/binary_search_tool/test/switch_to_good.py
+++ b/binary_search_tool/test/switch_to_good.py
@@ -11,7 +11,6 @@ this script) content. Every line in the file is an object index, which will be
 set to good (mark as 0).
 """
 
-from __future__ import print_function
 
 import sys
 
diff --git a/binary_search_tool/test/switch_to_good_noinc_prune.py b/binary_search_tool/test/switch_to_good_noinc_prune.py
index 37976668..8ed8d0ca 100755
--- a/binary_search_tool/test/switch_to_good_noinc_prune.py
+++ b/binary_search_tool/test/switch_to_good_noinc_prune.py
@@ -18,7 +18,6 @@ that noincremental always holds).
 Warning: This switch script assumes the --file_args option
 """
 
-from __future__ import print_function
 
 import shutil
 import sys
diff --git a/binary_search_tool/test/switch_to_good_set_file.py b/binary_search_tool/test/switch_to_good_set_file.py
index 89b8bf17..a1feaddf 100755
--- a/binary_search_tool/test/switch_to_good_set_file.py
+++ b/binary_search_tool/test/switch_to_good_set_file.py
@@ -14,7 +14,6 @@ This script is meant to be specifically used with the set_file test. This uses
 the set files generated by binary_search_state to do the switching.
 """
 
-from __future__ import print_function
 
 import os
 import sys
diff --git a/binary_search_tool/test/test_setup.py b/binary_search_tool/test/test_setup.py
index 4fe8c661..5ee35c55 100755
--- a/binary_search_tool/test/test_setup.py
+++ b/binary_search_tool/test/test_setup.py
@@ -6,7 +6,6 @@
 
 """Emulate running of test setup script, is_good.py should fail without this."""
 
-from __future__ import print_function
 
 import sys
 
diff --git a/binary_search_tool/test/test_setup_bad.py b/binary_search_tool/test/test_setup_bad.py
index f34753bf..4879f455 100755
--- a/binary_search_tool/test/test_setup_bad.py
+++ b/binary_search_tool/test/test_setup_bad.py
@@ -6,7 +6,6 @@
 
 """Emulate test setup that fails (i.e. failed flash to device)"""
 
-from __future__ import print_function
 
 import sys
 
diff --git a/build_chromeos.py b/build_chromeos.py
index 3a6a17e1..b5bc48fa 100755
--- a/build_chromeos.py
+++ b/build_chromeos.py
@@ -11,8 +11,6 @@ This script sets up the ChromeOS source in the given directory, matching a
 particular release of ChromeOS.
 """
 
-from __future__ import print_function
-
 
 __author__ = (
     "asharif@google.com (Ahmad Sharif) "
diff --git a/build_tc.py b/build_tc.py
index 8eed86ee..f1d025a4 100755
--- a/build_tc.py
+++ b/build_tc.py
@@ -9,8 +9,6 @@
 This script sets up the toolchain if you give it the gcctools directory.
 """
 
-from __future__ import print_function
-
 
 __author__ = "asharif@google.com (Ahmad Sharif)"
 
diff --git a/buildbot_test_llvm.py b/buildbot_test_llvm.py
index 25d269f5..38d3ff49 100755
--- a/buildbot_test_llvm.py
+++ b/buildbot_test_llvm.py
@@ -16,7 +16,6 @@ well as copying the result into a directory.
 
 # Script to test different toolchains against ChromeOS benchmarks.
 
-from __future__ import print_function
 
 import argparse
 import datetime
diff --git a/buildbot_test_toolchains.py b/buildbot_test_toolchains.py
index 9f82fe8f..639b817e 100755
--- a/buildbot_test_toolchains.py
+++ b/buildbot_test_toolchains.py
@@ -16,7 +16,6 @@ well as copying the images into the seven-day reports directory.
 
 # Script to test different toolchains against ChromeOS benchmarks.
 
-from __future__ import print_function
 
 import argparse
 import datetime
diff --git a/chromiumos_image_diff.py b/chromiumos_image_diff.py
index 5943f3aa..3b3ae912 100755
--- a/chromiumos_image_diff.py
+++ b/chromiumos_image_diff.py
@@ -20,8 +20,6 @@
    And this script should be executed outside chroot.
 """
 
-from __future__ import print_function
-
 
 __author__ = "shenhan@google.com (Han Shen)"
 
diff --git a/compiler_wrapper/build.py b/compiler_wrapper/build.py
index e7486c54..3b4b0571 100755
--- a/compiler_wrapper/build.py
+++ b/compiler_wrapper/build.py
@@ -6,7 +6,6 @@
 
 """Build script that builds a binary from a bundle."""
 
-from __future__ import print_function
 
 import argparse
 import os.path
diff --git a/compiler_wrapper/bundle.py b/compiler_wrapper/bundle.py
index 2624376b..ddfa4e9c 100755
--- a/compiler_wrapper/bundle.py
+++ b/compiler_wrapper/bundle.py
@@ -6,7 +6,6 @@
 
 """Build script that copies the go sources to a build destination."""
 
-from __future__ import print_function
 
 import argparse
 import os.path
diff --git a/cros_utils/buildbot_utils.py b/cros_utils/buildbot_utils.py
index 6cf159d8..eb1d255c 100644
--- a/cros_utils/buildbot_utils.py
+++ b/cros_utils/buildbot_utils.py
@@ -5,8 +5,6 @@
 
 """Utilities for launching and accessing ChromeOS buildbots."""
 
-from __future__ import division
-from __future__ import print_function
 
 import ast
 import json
diff --git a/cros_utils/buildbot_utils_unittest.py b/cros_utils/buildbot_utils_unittest.py
index e12ea19e..31d3e947 100755
--- a/cros_utils/buildbot_utils_unittest.py
+++ b/cros_utils/buildbot_utils_unittest.py
@@ -7,7 +7,6 @@
 
 """Unittest for buildbot_utils.py."""
 
-from __future__ import print_function
 
 import time
 import unittest
diff --git a/cros_utils/command_executer.py b/cros_utils/command_executer.py
index a30ba752..aa6de4c0 100755
--- a/cros_utils/command_executer.py
+++ b/cros_utils/command_executer.py
@@ -6,7 +6,6 @@
 
 """Utilities to run commands in outside/inside chroot and on the board."""
 
-from __future__ import print_function
 
 import getpass
 import os
diff --git a/cros_utils/command_executer_timeout_test.py b/cros_utils/command_executer_timeout_test.py
index 2798d227..92f2e9ce 100755
--- a/cros_utils/command_executer_timeout_test.py
+++ b/cros_utils/command_executer_timeout_test.py
@@ -7,8 +7,6 @@
 
 """Timeout test for command_executer."""
 
-from __future__ import print_function
-
 
 __author__ = "asharif@google.com (Ahmad Sharif)"
 
diff --git a/cros_utils/command_executer_unittest.py b/cros_utils/command_executer_unittest.py
index aade4eb0..ecb85f93 100755
--- a/cros_utils/command_executer_unittest.py
+++ b/cros_utils/command_executer_unittest.py
@@ -6,7 +6,6 @@
 
 """Unittest for command_executer.py."""
 
-from __future__ import print_function
 
 import time
 import unittest
diff --git a/cros_utils/device_setup_utils.py b/cros_utils/device_setup_utils.py
index 33f934c9..29284a5c 100644
--- a/cros_utils/device_setup_utils.py
+++ b/cros_utils/device_setup_utils.py
@@ -9,9 +9,6 @@
 This script provides utils to set device specs.
 """
 
-from __future__ import division
-from __future__ import print_function
-
 
 __author__ = "zhizhouy@google.com (Zhizhou Yang)"
 
diff --git a/cros_utils/device_setup_utils_unittest.py b/cros_utils/device_setup_utils_unittest.py
index 76775c4d..8fe99bcb 100755
--- a/cros_utils/device_setup_utils_unittest.py
+++ b/cros_utils/device_setup_utils_unittest.py
@@ -7,7 +7,6 @@
 
 """Unittest for device_setup_utils."""
 
-from __future__ import print_function
 
 import time
 import unittest
diff --git a/cros_utils/email_sender.py b/cros_utils/email_sender.py
index 0572d2e1..259078b1 100755
--- a/cros_utils/email_sender.py
+++ b/cros_utils/email_sender.py
@@ -7,7 +7,6 @@
 
 """Utilities to send email either through SMTP or SendGMR."""
 
-from __future__ import print_function
 
 import base64
 import contextlib
diff --git a/cros_utils/email_sender_unittest.py b/cros_utils/email_sender_unittest.py
index 26b5b9a0..38711061 100755
--- a/cros_utils/email_sender_unittest.py
+++ b/cros_utils/email_sender_unittest.py
@@ -7,7 +7,6 @@
 
 """Tests for email_sender."""
 
-from __future__ import print_function
 
 import contextlib
 import io
diff --git a/cros_utils/file_utils.py b/cros_utils/file_utils.py
index 23b3969b..0c5213b5 100644
--- a/cros_utils/file_utils.py
+++ b/cros_utils/file_utils.py
@@ -5,7 +5,6 @@
 
 """Utilities for operations on files."""
 
-from __future__ import print_function
 
 import errno
 import os
diff --git a/cros_utils/locks.py b/cros_utils/locks.py
index b7eacd39..bd2242cf 100644
--- a/cros_utils/locks.py
+++ b/cros_utils/locks.py
@@ -6,7 +6,6 @@
 
 """Utilities for locking machines."""
 
-from __future__ import print_function
 
 import time
 
diff --git a/cros_utils/logger.py b/cros_utils/logger.py
index bf50e01e..8ad9df58 100644
--- a/cros_utils/logger.py
+++ b/cros_utils/logger.py
@@ -5,7 +5,6 @@
 
 """Logging helper module."""
 
-from __future__ import print_function
 
 # System modules
 import os.path
diff --git a/cros_utils/machines.py b/cros_utils/machines.py
index bdd1f322..b0a7134c 100644
--- a/cros_utils/machines.py
+++ b/cros_utils/machines.py
@@ -5,7 +5,6 @@
 
 """Utilities relating to machine-specific functions."""
 
-from __future__ import print_function
 
 from cros_utils import command_executer
 
diff --git a/cros_utils/misc.py b/cros_utils/misc.py
index 0b44b994..02c8e051 100644
--- a/cros_utils/misc.py
+++ b/cros_utils/misc.py
@@ -5,9 +5,6 @@
 
 """Utilities for toolchain build."""
 
-from __future__ import division
-from __future__ import print_function
-
 
 __author__ = "asharif@google.com (Ahmad Sharif)"
 
diff --git a/cros_utils/misc_test.py b/cros_utils/misc_test.py
index 9713ae10..c3c96996 100755
--- a/cros_utils/misc_test.py
+++ b/cros_utils/misc_test.py
@@ -6,8 +6,6 @@
 
 """Tests for misc."""
 
-from __future__ import print_function
-
 
 __author__ = "asharif@google.com (Ahmad Sharif)"
 
diff --git a/cros_utils/no_pseudo_terminal_test.py b/cros_utils/no_pseudo_terminal_test.py
index 1980d401..3cb35fac 100755
--- a/cros_utils/no_pseudo_terminal_test.py
+++ b/cros_utils/no_pseudo_terminal_test.py
@@ -7,7 +7,6 @@
 
 """Test to ensure we're not touching /dev/ptmx when running commands."""
 
-from __future__ import print_function
 
 import os
 import subprocess
diff --git a/cros_utils/perf_diff.py b/cros_utils/perf_diff.py
index 191a6ee0..97e6e19d 100755
--- a/cros_utils/perf_diff.py
+++ b/cros_utils/perf_diff.py
@@ -9,8 +9,6 @@
 A detailed description of perf_diff.
 """
 
-from __future__ import print_function
-
 
 __author__ = "asharif@google.com (Ahmad Sharif)"
 
diff --git a/cros_utils/tabulator.py b/cros_utils/tabulator.py
index 7b51bf86..65d0cd42 100644
--- a/cros_utils/tabulator.py
+++ b/cros_utils/tabulator.py
@@ -61,8 +61,6 @@ table:
   print tp.Print()
 """
 
-from __future__ import division
-from __future__ import print_function
 
 import collections
 import getpass
diff --git a/cros_utils/tabulator_test.py b/cros_utils/tabulator_test.py
index 5a5d909e..96d163e5 100755
--- a/cros_utils/tabulator_test.py
+++ b/cros_utils/tabulator_test.py
@@ -6,7 +6,6 @@
 
 """Tests for the tabulator module."""
 
-from __future__ import print_function
 
 __author__ = 'asharif@google.com (Ahmad Sharif)'
 
diff --git a/cros_utils/timeline.py b/cros_utils/timeline.py
index d6d4cc0b..be8f9a06 100644
--- a/cros_utils/timeline.py
+++ b/cros_utils/timeline.py
@@ -5,8 +5,6 @@
 
 """Tools for recording and reporting timeline of benchmark_run."""
 
-from __future__ import print_function
-
 
 __author__ = "yunlian@google.com (Yunlian Jiang)"
 
diff --git a/cros_utils/timeline_test.py b/cros_utils/timeline_test.py
index 6743b986..9dc73d91 100755
--- a/cros_utils/timeline_test.py
+++ b/cros_utils/timeline_test.py
@@ -6,8 +6,6 @@
 
 """Tests for time_line.py."""
 
-from __future__ import print_function
-
 
 __author__ = "yunlian@google.com (Yunlian Jiang)"
 
diff --git a/cros_utils/tiny_render.py b/cros_utils/tiny_render.py
index 978bf05c..27891c20 100644
--- a/cros_utils/tiny_render.py
+++ b/cros_utils/tiny_render.py
@@ -51,7 +51,6 @@ Turns into
 The rendering functions should never mutate your input.
 """
 
-from __future__ import print_function
 
 import collections
 import html
diff --git a/cros_utils/tiny_render_test.py b/cros_utils/tiny_render_test.py
index 6534a9d7..8299093b 100755
--- a/cros_utils/tiny_render_test.py
+++ b/cros_utils/tiny_render_test.py
@@ -6,7 +6,6 @@
 
 """Tests for tiny_render."""
 
-from __future__ import print_function
 
 import unittest
 
diff --git a/crosperf/benchmark.py b/crosperf/benchmark.py
index 473ab547..d7c62c54 100644
--- a/crosperf/benchmark.py
+++ b/crosperf/benchmark.py
@@ -5,8 +5,6 @@
 
 """Define a type that wraps a Benchmark instance."""
 
-from __future__ import division
-from __future__ import print_function
 
 import math
 
diff --git a/crosperf/benchmark_run.py b/crosperf/benchmark_run.py
index 79cfdd1c..a661d6a9 100644
--- a/crosperf/benchmark_run.py
+++ b/crosperf/benchmark_run.py
@@ -4,7 +4,6 @@
 # found in the LICENSE file.
 
 """Module of benchmark runs."""
-from __future__ import print_function
 
 import datetime
 import threading
diff --git a/crosperf/benchmark_run_unittest.py b/crosperf/benchmark_run_unittest.py
index e59b275c..7113826a 100755
--- a/crosperf/benchmark_run_unittest.py
+++ b/crosperf/benchmark_run_unittest.py
@@ -7,7 +7,6 @@
 
 """Testing of benchmark_run."""
 
-from __future__ import print_function
 
 import inspect
 import unittest
diff --git a/crosperf/benchmark_unittest.py b/crosperf/benchmark_unittest.py
index 31a95f25..bfa16841 100755
--- a/crosperf/benchmark_unittest.py
+++ b/crosperf/benchmark_unittest.py
@@ -7,7 +7,6 @@
 
 """Unit tests for the Crosperf Benchmark class."""
 
-from __future__ import print_function
 
 import inspect
 import unittest
diff --git a/crosperf/compare_machines.py b/crosperf/compare_machines.py
index 338c039b..003a38ba 100644
--- a/crosperf/compare_machines.py
+++ b/crosperf/compare_machines.py
@@ -5,7 +5,6 @@
 
 """Module to compare two machines."""
 
-from __future__ import print_function
 
 import argparse
 import os.path
diff --git a/crosperf/config_unittest.py b/crosperf/config_unittest.py
index 47387c71..df02786e 100755
--- a/crosperf/config_unittest.py
+++ b/crosperf/config_unittest.py
@@ -6,7 +6,6 @@
 
 """Unit tests for config.py"""
 
-from __future__ import print_function
 
 import unittest
 
diff --git a/crosperf/crosperf.py b/crosperf/crosperf.py
index 7ce78afd..813da415 100755
--- a/crosperf/crosperf.py
+++ b/crosperf/crosperf.py
@@ -6,7 +6,6 @@
 
 """The driver script for running performance benchmarks on ChromeOS."""
 
-from __future__ import print_function
 
 import argparse
 import atexit
diff --git a/crosperf/crosperf_unittest.py b/crosperf/crosperf_unittest.py
index 4cbf71d8..88172ec6 100755
--- a/crosperf/crosperf_unittest.py
+++ b/crosperf/crosperf_unittest.py
@@ -7,8 +7,6 @@
 
 """Unittest for crosperf."""
 
-from __future__ import division
-from __future__ import print_function
 
 import argparse
 import io
diff --git a/crosperf/download_images.py b/crosperf/download_images.py
index da73d941..7dc52495 100644
--- a/crosperf/download_images.py
+++ b/crosperf/download_images.py
@@ -5,7 +5,6 @@
 
 """Download images from Cloud Storage."""
 
-from __future__ import print_function
 
 import ast
 import os
diff --git a/crosperf/download_images_buildid_test.py b/crosperf/download_images_buildid_test.py
index b5063ed9..37868e0a 100755
--- a/crosperf/download_images_buildid_test.py
+++ b/crosperf/download_images_buildid_test.py
@@ -6,7 +6,6 @@
 
 """Test translation of xbuddy names."""
 
-from __future__ import print_function
 
 import argparse
 import sys
diff --git a/crosperf/download_images_unittest.py b/crosperf/download_images_unittest.py
index 5206bd3d..8e8c6524 100755
--- a/crosperf/download_images_unittest.py
+++ b/crosperf/download_images_unittest.py
@@ -6,7 +6,6 @@
 
 """Download image unittest."""
 
-from __future__ import print_function
 
 import os
 import unittest
diff --git a/crosperf/experiment.py b/crosperf/experiment.py
index cfd56b8f..28ab616b 100644
--- a/crosperf/experiment.py
+++ b/crosperf/experiment.py
@@ -5,7 +5,6 @@
 
 """The experiment setting module."""
 
-from __future__ import print_function
 
 import os
 from threading import Lock
diff --git a/crosperf/experiment_factory.py b/crosperf/experiment_factory.py
index 9a89cb9c..a4265d41 100644
--- a/crosperf/experiment_factory.py
+++ b/crosperf/experiment_factory.py
@@ -5,7 +5,6 @@
 
 """A module to generate experiments."""
 
-from __future__ import print_function
 
 import os
 import re
diff --git a/crosperf/experiment_factory_unittest.py b/crosperf/experiment_factory_unittest.py
index 115061e6..ffb8e579 100755
--- a/crosperf/experiment_factory_unittest.py
+++ b/crosperf/experiment_factory_unittest.py
@@ -7,7 +7,6 @@
 
 """Unit test for experiment_factory.py"""
 
-from __future__ import print_function
 
 import io
 import os
diff --git a/crosperf/experiment_file.py b/crosperf/experiment_file.py
index fbf16fe9..783a3224 100644
--- a/crosperf/experiment_file.py
+++ b/crosperf/experiment_file.py
@@ -5,7 +5,6 @@
 
 """The experiment file module. It manages the input file of crosperf."""
 
-from __future__ import print_function
 
 import os.path
 import re
diff --git a/crosperf/experiment_file_unittest.py b/crosperf/experiment_file_unittest.py
index 90c70fb3..90ea87a6 100755
--- a/crosperf/experiment_file_unittest.py
+++ b/crosperf/experiment_file_unittest.py
@@ -6,7 +6,6 @@
 # found in the LICENSE file.
 
 """The unittest of experiment_file."""
-from __future__ import print_function
 
 import io
 import unittest
diff --git a/crosperf/experiment_runner.py b/crosperf/experiment_runner.py
index c65917c3..1f1a90b2 100644
--- a/crosperf/experiment_runner.py
+++ b/crosperf/experiment_runner.py
@@ -4,7 +4,6 @@
 # found in the LICENSE file.
 
 """The experiment runner module."""
-from __future__ import print_function
 
 import getpass
 import os
diff --git a/crosperf/experiment_runner_unittest.py b/crosperf/experiment_runner_unittest.py
index 241e1343..50ef1797 100755
--- a/crosperf/experiment_runner_unittest.py
+++ b/crosperf/experiment_runner_unittest.py
@@ -7,7 +7,6 @@
 
 """Tests for the experiment runner module."""
 
-from __future__ import print_function
 
 import getpass
 import io
diff --git a/crosperf/experiment_status.py b/crosperf/experiment_status.py
index 4bd3995e..c76dfa24 100644
--- a/crosperf/experiment_status.py
+++ b/crosperf/experiment_status.py
@@ -5,8 +5,6 @@
 
 """The class to show the banner."""
 
-from __future__ import division
-from __future__ import print_function
 
 import collections
 import datetime
diff --git a/crosperf/flag_test_unittest.py b/crosperf/flag_test_unittest.py
index 1efc9167..7bb59515 100755
--- a/crosperf/flag_test_unittest.py
+++ b/crosperf/flag_test_unittest.py
@@ -6,7 +6,6 @@
 
 """The unittest of flags."""
 
-from __future__ import print_function
 
 import unittest
 
diff --git a/crosperf/generate_report.py b/crosperf/generate_report.py
index 54cf4d91..186aba29 100755
--- a/crosperf/generate_report.py
+++ b/crosperf/generate_report.py
@@ -44,8 +44,6 @@ Peppy's runs took 1.321ms and 1.920ms, while peppy-new-crosstool's took 1.221ms
   and 1.423ms. None of the runs failed to complete.
 """
 
-from __future__ import division
-from __future__ import print_function
 
 import argparse
 import functools
diff --git a/crosperf/generate_report_unittest.py b/crosperf/generate_report_unittest.py
index dbbd08f4..0d4ccf4f 100755
--- a/crosperf/generate_report_unittest.py
+++ b/crosperf/generate_report_unittest.py
@@ -6,8 +6,6 @@
 
 """Test for generate_report.py."""
 
-from __future__ import division
-from __future__ import print_function
 
 import copy
 import json
diff --git a/crosperf/help.py b/crosperf/help.py
index 660e2a4b..1f3c4f36 100644
--- a/crosperf/help.py
+++ b/crosperf/help.py
@@ -5,7 +5,6 @@
 
 """Module to print help message."""
 
-from __future__ import print_function
 
 import sys
 import textwrap
diff --git a/crosperf/image_checksummer.py b/crosperf/image_checksummer.py
index 1fa25cfa..133a0576 100644
--- a/crosperf/image_checksummer.py
+++ b/crosperf/image_checksummer.py
@@ -5,7 +5,6 @@
 
 """Compute image checksum."""
 
-from __future__ import print_function
 
 import os
 import threading
diff --git a/crosperf/label.py b/crosperf/label.py
index 0ce3957b..8785c037 100644
--- a/crosperf/label.py
+++ b/crosperf/label.py
@@ -5,7 +5,6 @@
 
 """The label of benchamrks."""
 
-from __future__ import print_function
 
 import hashlib
 import os
diff --git a/crosperf/machine_image_manager.py b/crosperf/machine_image_manager.py
index 753ce0fe..c61d624e 100644
--- a/crosperf/machine_image_manager.py
+++ b/crosperf/machine_image_manager.py
@@ -5,7 +5,6 @@
 
 """MachineImageManager allocates images to duts."""
 
-from __future__ import print_function
 
 import functools
 
diff --git a/crosperf/machine_image_manager_unittest.py b/crosperf/machine_image_manager_unittest.py
index e93a5646..dd557cdc 100755
--- a/crosperf/machine_image_manager_unittest.py
+++ b/crosperf/machine_image_manager_unittest.py
@@ -6,7 +6,6 @@
 
 """Unit tests for the MachineImageManager class."""
 
-from __future__ import print_function
 
 import random
 import unittest
diff --git a/crosperf/machine_manager.py b/crosperf/machine_manager.py
index 5c8af75a..c780094b 100644
--- a/crosperf/machine_manager.py
+++ b/crosperf/machine_manager.py
@@ -5,8 +5,6 @@
 
 """Machine Manager module."""
 
-from __future__ import division
-from __future__ import print_function
 
 import collections
 import hashlib
diff --git a/crosperf/machine_manager_unittest.py b/crosperf/machine_manager_unittest.py
index 80b3dd11..5eed5e1f 100755
--- a/crosperf/machine_manager_unittest.py
+++ b/crosperf/machine_manager_unittest.py
@@ -7,7 +7,6 @@
 
 """Unittest for machine_manager."""
 
-from __future__ import print_function
 
 import hashlib
 import os.path
diff --git a/crosperf/mock_instance.py b/crosperf/mock_instance.py
index a596662e..a0d581cd 100644
--- a/crosperf/mock_instance.py
+++ b/crosperf/mock_instance.py
@@ -5,7 +5,6 @@
 
 """This contains some mock instances for testing."""
 
-from __future__ import print_function
 
 from benchmark import Benchmark
 from label import MockLabel
diff --git a/crosperf/results_cache.py b/crosperf/results_cache.py
index 3dd6839a..ca5966c0 100644
--- a/crosperf/results_cache.py
+++ b/crosperf/results_cache.py
@@ -5,8 +5,6 @@
 
 """Module to deal with result cache."""
 
-from __future__ import division
-from __future__ import print_function
 
 import collections
 import glob
diff --git a/crosperf/results_cache_unittest.py b/crosperf/results_cache_unittest.py
index dbf5d672..8029161a 100755
--- a/crosperf/results_cache_unittest.py
+++ b/crosperf/results_cache_unittest.py
@@ -7,7 +7,6 @@
 
 """Module of result cache unittest."""
 
-from __future__ import print_function
 
 import io
 import os
diff --git a/crosperf/results_organizer.py b/crosperf/results_organizer.py
index 59ac685b..a3701ab7 100644
--- a/crosperf/results_organizer.py
+++ b/crosperf/results_organizer.py
@@ -5,7 +5,6 @@
 
 """Parse data from benchmark_runs for tabulator."""
 
-from __future__ import print_function
 
 import errno
 import json
diff --git a/crosperf/results_organizer_unittest.py b/crosperf/results_organizer_unittest.py
index 90a95a73..707f89f7 100755
--- a/crosperf/results_organizer_unittest.py
+++ b/crosperf/results_organizer_unittest.py
@@ -11,7 +11,6 @@
    after that, we compare the result of ResultOrganizer.
 """
 
-from __future__ import print_function
 
 import unittest
 
diff --git a/crosperf/results_report.py b/crosperf/results_report.py
index 50412086..735e1a34 100644
--- a/crosperf/results_report.py
+++ b/crosperf/results_report.py
@@ -4,7 +4,6 @@
 # found in the LICENSE file.
 
 """A module to handle the report format."""
-from __future__ import print_function
 
 import datetime
 import functools
diff --git a/crosperf/results_report_templates.py b/crosperf/results_report_templates.py
index ec87ac41..e88fd9c7 100644
--- a/crosperf/results_report_templates.py
+++ b/crosperf/results_report_templates.py
@@ -4,7 +4,6 @@
 # found in the LICENSE file.
 
 """Text templates used by various parts of results_report."""
-from __future__ import print_function
 
 import html
 from string import Template
diff --git a/crosperf/results_report_unittest.py b/crosperf/results_report_unittest.py
index ef073a71..3c1d6663 100755
--- a/crosperf/results_report_unittest.py
+++ b/crosperf/results_report_unittest.py
@@ -7,8 +7,6 @@
 
 """Unittest for the results reporter."""
 
-from __future__ import division
-from __future__ import print_function
 
 import collections
 import io
diff --git a/crosperf/schedv2.py b/crosperf/schedv2.py
index 692f3420..c611cbcf 100644
--- a/crosperf/schedv2.py
+++ b/crosperf/schedv2.py
@@ -5,8 +5,6 @@
 
 """Module to optimize the scheduling of benchmark_run tasks."""
 
-from __future__ import division
-from __future__ import print_function
 
 from collections import defaultdict
 import sys
diff --git a/crosperf/schedv2_unittest.py b/crosperf/schedv2_unittest.py
index e939bc5b..c79c6ecd 100755
--- a/crosperf/schedv2_unittest.py
+++ b/crosperf/schedv2_unittest.py
@@ -7,7 +7,6 @@
 
 """This contains the unit tests for the new Crosperf task scheduler."""
 
-from __future__ import print_function
 
 import functools
 import io
diff --git a/crosperf/settings.py b/crosperf/settings.py
index 5ea25927..5488a5b0 100644
--- a/crosperf/settings.py
+++ b/crosperf/settings.py
@@ -5,7 +5,6 @@
 
 """Module to get the settings from experiment file."""
 
-from __future__ import print_function
 
 from cros_utils import logger
 from cros_utils import misc
diff --git a/crosperf/settings_factory.py b/crosperf/settings_factory.py
index b91156dc..469d2260 100644
--- a/crosperf/settings_factory.py
+++ b/crosperf/settings_factory.py
@@ -5,7 +5,6 @@
 
 """Setting files for global, benchmark and labels."""
 
-from __future__ import print_function
 
 from field import BooleanField
 from field import EnumField
diff --git a/crosperf/settings_factory_unittest.py b/crosperf/settings_factory_unittest.py
index 031a0e65..b8487b96 100755
--- a/crosperf/settings_factory_unittest.py
+++ b/crosperf/settings_factory_unittest.py
@@ -7,7 +7,6 @@
 
 """Unittest for crosperf."""
 
-from __future__ import print_function
 
 import unittest
 
diff --git a/crosperf/settings_unittest.py b/crosperf/settings_unittest.py
index 0128c33e..75913a09 100755
--- a/crosperf/settings_unittest.py
+++ b/crosperf/settings_unittest.py
@@ -6,7 +6,6 @@
 
 """unittest for settings."""
 
-from __future__ import print_function
 
 import unittest
 import unittest.mock as mock
diff --git a/crosperf/suite_runner.py b/crosperf/suite_runner.py
index b3c5879d..f5c4d2c7 100644
--- a/crosperf/suite_runner.py
+++ b/crosperf/suite_runner.py
@@ -5,8 +5,6 @@
 
 """SuiteRunner defines the interface from crosperf to test script."""
 
-from __future__ import division
-from __future__ import print_function
 
 import json
 import os
diff --git a/crosperf/suite_runner_unittest.py b/crosperf/suite_runner_unittest.py
index a97e1638..a1ab660f 100755
--- a/crosperf/suite_runner_unittest.py
+++ b/crosperf/suite_runner_unittest.py
@@ -7,7 +7,6 @@
 
 """Unittest for suite_runner."""
 
-from __future__ import print_function
 
 import json
 import unittest
diff --git a/crosperf/translate_xbuddy.py b/crosperf/translate_xbuddy.py
index eb28ecae..2ae60af4 100755
--- a/crosperf/translate_xbuddy.py
+++ b/crosperf/translate_xbuddy.py
@@ -6,7 +6,6 @@
 
 """Module to translate the xbuddy config."""
 
-from __future__ import print_function
 
 import os
 import sys
diff --git a/cwp/cr-os/fetch_gn_descs.py b/cwp/cr-os/fetch_gn_descs.py
index 220511bf..a9cbdb55 100755
--- a/cwp/cr-os/fetch_gn_descs.py
+++ b/cwp/cr-os/fetch_gn_descs.py
@@ -19,7 +19,6 @@ The result is of the form:
 }
 """
 
-from __future__ import print_function
 
 import argparse
 import json
diff --git a/cwp/cr-os/fetch_gn_descs_test.py b/cwp/cr-os/fetch_gn_descs_test.py
index f9a9cf93..a42cb2e9 100755
--- a/cwp/cr-os/fetch_gn_descs_test.py
+++ b/cwp/cr-os/fetch_gn_descs_test.py
@@ -6,7 +6,6 @@
 
 """Tests for fetch_gn_descs.py."""
 
-from __future__ import print_function
 
 import io
 import unittest
diff --git a/debug_info_test/allowlist.py b/debug_info_test/allowlist.py
index 945c0440..3cccf293 100644
--- a/debug_info_test/allowlist.py
+++ b/debug_info_test/allowlist.py
@@ -5,7 +5,6 @@
 
 """Allowlist functions."""
 
-from __future__ import print_function
 
 import glob
 import os
diff --git a/debug_info_test/check_cus.py b/debug_info_test/check_cus.py
index df2c4275..b2458e94 100644
--- a/debug_info_test/check_cus.py
+++ b/debug_info_test/check_cus.py
@@ -5,7 +5,6 @@
 
 """check compile units."""
 
-from __future__ import print_function
 
 import os
 import subprocess
diff --git a/debug_info_test/check_exist.py b/debug_info_test/check_exist.py
index 795cb470..d51abe42 100644
--- a/debug_info_test/check_exist.py
+++ b/debug_info_test/check_exist.py
@@ -5,7 +5,6 @@
 
 """check whether intended components exists in the given dso."""
 
-from __future__ import print_function
 
 import os
 import subprocess
diff --git a/debug_info_test/check_icf.py b/debug_info_test/check_icf.py
index 5e92ec13..8eca39a2 100644
--- a/debug_info_test/check_icf.py
+++ b/debug_info_test/check_icf.py
@@ -5,7 +5,6 @@
 
 """check whether chrome was built with identical code folding."""
 
-from __future__ import print_function
 
 import os
 import re
diff --git a/debug_info_test/check_ngcc.py b/debug_info_test/check_ngcc.py
index 60508691..348fcc8a 100644
--- a/debug_info_test/check_ngcc.py
+++ b/debug_info_test/check_ngcc.py
@@ -5,7 +5,6 @@
 
 """Check whether the compile unit is not built by gcc."""
 
-from __future__ import print_function
 
 from allowlist import is_allowlisted
 
diff --git a/debug_info_test/debug_info_test.py b/debug_info_test/debug_info_test.py
index ab123e0b..057921aa 100755
--- a/debug_info_test/debug_info_test.py
+++ b/debug_info_test/debug_info_test.py
@@ -6,7 +6,6 @@
 
 """Test for debug info."""
 
-from __future__ import print_function
 
 import os
 import subprocess
diff --git a/file_lock_machine.py b/file_lock_machine.py
index 72d6233a..2b281ff7 100755
--- a/file_lock_machine.py
+++ b/file_lock_machine.py
@@ -6,9 +6,6 @@
 
 """Script to lock/unlock machines."""
 
-from __future__ import division
-from __future__ import print_function
-
 
 __author__ = "asharif@google.com (Ahmad Sharif)"
 
diff --git a/file_lock_machine_test.py b/file_lock_machine_test.py
index d1189512..d59f7e28 100755
--- a/file_lock_machine_test.py
+++ b/file_lock_machine_test.py
@@ -10,8 +10,6 @@
 MachineManagerTest tests MachineManager.
 """
 
-from __future__ import print_function
-
 
 __author__ = "asharif@google.com (Ahmad Sharif)"
 
diff --git a/go/chromeos/setup_chromeos_testing.py b/go/chromeos/setup_chromeos_testing.py
index 53254a99..863cf8c8 100755
--- a/go/chromeos/setup_chromeos_testing.py
+++ b/go/chromeos/setup_chromeos_testing.py
@@ -6,7 +6,6 @@
 
 """Generate board-specific scripts for Go compiler testing."""
 
-from __future__ import print_function
 
 import argparse
 import getpass
diff --git a/heatmaps/heat_map.py b/heatmaps/heat_map.py
index c4e43fdc..78ee8cba 100755
--- a/heatmaps/heat_map.py
+++ b/heatmaps/heat_map.py
@@ -6,7 +6,6 @@
 
 """Wrapper to generate heat maps for chrome."""
 
-from __future__ import print_function
 
 import argparse
 import os
diff --git a/heatmaps/heat_map_test.py b/heatmaps/heat_map_test.py
index 0d3ca4e2..2b86363b 100755
--- a/heatmaps/heat_map_test.py
+++ b/heatmaps/heat_map_test.py
@@ -7,7 +7,6 @@
 
 """Tests for heat_map.py."""
 
-from __future__ import print_function
 
 import os
 import unittest
diff --git a/heatmaps/heatmap_generator.py b/heatmaps/heatmap_generator.py
index c139c364..768a4e40 100644
--- a/heatmaps/heatmap_generator.py
+++ b/heatmaps/heatmap_generator.py
@@ -13,8 +13,6 @@ performed by another script perf-to-inst-page.sh). It can also analyze
 the symbol names in hot pages.
 """
 
-from __future__ import division
-from __future__ import print_function
 
 import bisect
 import collections
diff --git a/heatmaps/heatmap_generator_test.py b/heatmaps/heatmap_generator_test.py
index 4afc9351..fbace10a 100755
--- a/heatmaps/heatmap_generator_test.py
+++ b/heatmaps/heatmap_generator_test.py
@@ -6,8 +6,6 @@
 
 """Tests for heatmap_generator.py."""
 
-from __future__ import division
-from __future__ import print_function
 
 import os
 import unittest
diff --git a/image_chromeos.py b/image_chromeos.py
index 150c7de0..5922a241 100755
--- a/image_chromeos.py
+++ b/image_chromeos.py
@@ -10,8 +10,6 @@
 This script images a remote ChromeOS device with a specific image."
 """
 
-from __future__ import print_function
-
 
 __author__ = "asharif@google.com (Ahmad Sharif)"
 
diff --git a/llvm_extra/create_ebuild_file.py b/llvm_extra/create_ebuild_file.py
index d974d50c..4abd466a 100755
--- a/llvm_extra/create_ebuild_file.py
+++ b/llvm_extra/create_ebuild_file.py
@@ -90,7 +90,6 @@ diff -Nuar llvm-pre7.0_pre335547_p20180529.ebuild newly-created-file.ebuild
         # some users may find it useful
 """
 
-from __future__ import print_function
 
 import os
 import sys
diff --git a/llvm_tools/auto_llvm_bisection.py b/llvm_tools/auto_llvm_bisection.py
index b9d04d1d..0dcd6bad 100755
--- a/llvm_tools/auto_llvm_bisection.py
+++ b/llvm_tools/auto_llvm_bisection.py
@@ -6,7 +6,6 @@
 
 """Performs bisection on LLVM based off a .JSON file."""
 
-from __future__ import print_function
 
 import enum
 import json
diff --git a/llvm_tools/auto_llvm_bisection_unittest.py b/llvm_tools/auto_llvm_bisection_unittest.py
index 9d0654cf..ef82453b 100755
--- a/llvm_tools/auto_llvm_bisection_unittest.py
+++ b/llvm_tools/auto_llvm_bisection_unittest.py
@@ -6,7 +6,6 @@
 
 """Tests for auto bisection of LLVM."""
 
-from __future__ import print_function
 
 import json
 import os
diff --git a/llvm_tools/chroot.py b/llvm_tools/chroot.py
index 3a3bdde4..73ab9203 100755
--- a/llvm_tools/chroot.py
+++ b/llvm_tools/chroot.py
@@ -6,7 +6,6 @@
 
 """Chroot helper functions."""
 
-from __future__ import print_function
 
 import collections
 import os
diff --git a/llvm_tools/chroot_unittest.py b/llvm_tools/chroot_unittest.py
index 0e7d133c..39877aa5 100755
--- a/llvm_tools/chroot_unittest.py
+++ b/llvm_tools/chroot_unittest.py
@@ -6,7 +6,6 @@
 
 """Unit tests for chroot helper functions."""
 
-from __future__ import print_function
 
 import subprocess
 import unittest
diff --git a/llvm_tools/copy_helpers_to_chromiumos_overlay.py b/llvm_tools/copy_helpers_to_chromiumos_overlay.py
index 042b19fa..758c7533 100755
--- a/llvm_tools/copy_helpers_to_chromiumos_overlay.py
+++ b/llvm_tools/copy_helpers_to_chromiumos_overlay.py
@@ -11,7 +11,6 @@ patch_manager ones). This script simplifies the copying of those around.
 """
 
 # Necessary until crbug.com/1006448 is fixed
-from __future__ import print_function
 
 import argparse
 import os
diff --git a/llvm_tools/custom_script_example.py b/llvm_tools/custom_script_example.py
index 4b90e88b..ebfde1f1 100755
--- a/llvm_tools/custom_script_example.py
+++ b/llvm_tools/custom_script_example.py
@@ -6,7 +6,6 @@
 
 """A custom script example that utilizes the .JSON contents of the tryjob."""
 
-from __future__ import print_function
 
 import json
 import sys
diff --git a/llvm_tools/failure_modes.py b/llvm_tools/failure_modes.py
index f043b1ec..098a0270 100644
--- a/llvm_tools/failure_modes.py
+++ b/llvm_tools/failure_modes.py
@@ -5,7 +5,6 @@
 
 """Failure mode constants avaiable to the patch manager."""
 
-from __future__ import print_function
 
 import enum
 
diff --git a/llvm_tools/get_llvm_hash.py b/llvm_tools/get_llvm_hash.py
index 9c0a5020..77efccbe 100755
--- a/llvm_tools/get_llvm_hash.py
+++ b/llvm_tools/get_llvm_hash.py
@@ -6,7 +6,6 @@
 
 """Returns the latest LLVM version's hash."""
 
-from __future__ import print_function
 
 import argparse
 import contextlib
diff --git a/llvm_tools/get_llvm_hash_unittest.py b/llvm_tools/get_llvm_hash_unittest.py
index 32fb5b53..fc13bc17 100755
--- a/llvm_tools/get_llvm_hash_unittest.py
+++ b/llvm_tools/get_llvm_hash_unittest.py
@@ -6,7 +6,6 @@
 
 """Unit tests for retrieving the LLVM hash."""
 
-from __future__ import print_function
 
 import subprocess
 import unittest
diff --git a/llvm_tools/git.py b/llvm_tools/git.py
index 0fe4cb63..2bb43c29 100755
--- a/llvm_tools/git.py
+++ b/llvm_tools/git.py
@@ -6,7 +6,6 @@
 
 """Git helper functions."""
 
-from __future__ import print_function
 
 import collections
 import os
diff --git a/llvm_tools/git_llvm_rev.py b/llvm_tools/git_llvm_rev.py
index 283a3920..44a6426e 100755
--- a/llvm_tools/git_llvm_rev.py
+++ b/llvm_tools/git_llvm_rev.py
@@ -10,7 +10,6 @@ Revision numbers are all of the form '(branch_name, r1234)'. As a shorthand,
 r1234 is parsed as '(main, 1234)'.
 """
 
-from __future__ import print_function
 
 import argparse
 import re
diff --git a/llvm_tools/git_unittest.py b/llvm_tools/git_unittest.py
index 8e75100f..cf4035ff 100755
--- a/llvm_tools/git_unittest.py
+++ b/llvm_tools/git_unittest.py
@@ -6,7 +6,6 @@
 
 """Unit tests for git helper functions."""
 
-from __future__ import print_function
 
 import os
 import subprocess
diff --git a/llvm_tools/llvm_bisection.py b/llvm_tools/llvm_bisection.py
index f268bfb1..e6f0e2c9 100755
--- a/llvm_tools/llvm_bisection.py
+++ b/llvm_tools/llvm_bisection.py
@@ -6,7 +6,6 @@
 
 """Performs bisection on LLVM based off a .JSON file."""
 
-from __future__ import print_function
 
 import argparse
 import enum
diff --git a/llvm_tools/llvm_bisection_unittest.py b/llvm_tools/llvm_bisection_unittest.py
index 0dfdef54..e047be41 100755
--- a/llvm_tools/llvm_bisection_unittest.py
+++ b/llvm_tools/llvm_bisection_unittest.py
@@ -8,7 +8,6 @@
 
 """Tests for LLVM bisection."""
 
-from __future__ import print_function
 
 import json
 import os
diff --git a/llvm_tools/llvm_project.py b/llvm_tools/llvm_project.py
index 85b4a0c2..45539596 100644
--- a/llvm_tools/llvm_project.py
+++ b/llvm_tools/llvm_project.py
@@ -5,7 +5,6 @@
 
 """Module for manipulating llvm-project-copy. Generally intended for tests."""
 
-from __future__ import print_function
 
 import datetime
 import os
diff --git a/llvm_tools/modify_a_tryjob.py b/llvm_tools/modify_a_tryjob.py
index 6ef12008..79f999b1 100755
--- a/llvm_tools/modify_a_tryjob.py
+++ b/llvm_tools/modify_a_tryjob.py
@@ -6,7 +6,6 @@
 
 """Modifies a tryjob based off of arguments."""
 
-from __future__ import print_function
 
 import argparse
 import enum
diff --git a/llvm_tools/modify_a_tryjob_unittest.py b/llvm_tools/modify_a_tryjob_unittest.py
index 38ebccad..6ae29c5f 100755
--- a/llvm_tools/modify_a_tryjob_unittest.py
+++ b/llvm_tools/modify_a_tryjob_unittest.py
@@ -6,7 +6,6 @@
 
 """Tests for modifying a tryjob."""
 
-from __future__ import print_function
 
 import json
 import unittest
diff --git a/llvm_tools/nightly_revert_checker.py b/llvm_tools/nightly_revert_checker.py
index 17b1c40f..78a85f90 100755
--- a/llvm_tools/nightly_revert_checker.py
+++ b/llvm_tools/nightly_revert_checker.py
@@ -10,7 +10,6 @@ If any reverts are found that were previously unknown, this cherry-picks them or
 fires off an email. All LLVM SHAs to monitor are autodetected.
 """
 
-from __future__ import print_function
 
 import argparse
 import io
diff --git a/llvm_tools/nightly_revert_checker_test.py b/llvm_tools/nightly_revert_checker_test.py
index 2064cf96..694d3d80 100755
--- a/llvm_tools/nightly_revert_checker_test.py
+++ b/llvm_tools/nightly_revert_checker_test.py
@@ -6,7 +6,6 @@
 
 """Tests for nightly_revert_checker."""
 
-from __future__ import print_function
 
 import io
 import unittest
diff --git a/llvm_tools/subprocess_helpers.py b/llvm_tools/subprocess_helpers.py
index d4f545d2..c295cbb8 100644
--- a/llvm_tools/subprocess_helpers.py
+++ b/llvm_tools/subprocess_helpers.py
@@ -5,7 +5,6 @@
 
 """Helpers/wrappers for the subprocess module for migration to python3."""
 
-from __future__ import print_function
 
 import subprocess
 
diff --git a/llvm_tools/test_helpers.py b/llvm_tools/test_helpers.py
index 2391a48c..48a8e8c1 100644
--- a/llvm_tools/test_helpers.py
+++ b/llvm_tools/test_helpers.py
@@ -5,7 +5,6 @@
 
 """Helper functions for unit testing."""
 
-from __future__ import print_function
 
 from contextlib import contextmanager
 import json
diff --git a/llvm_tools/update_chromeos_llvm_hash_unittest.py b/llvm_tools/update_chromeos_llvm_hash_unittest.py
index c361334a..591890e6 100755
--- a/llvm_tools/update_chromeos_llvm_hash_unittest.py
+++ b/llvm_tools/update_chromeos_llvm_hash_unittest.py
@@ -6,7 +6,6 @@
 
 """Unit tests for updating LLVM hashes."""
 
-from __future__ import print_function
 
 import collections
 import datetime
diff --git a/llvm_tools/update_packages_and_run_tests.py b/llvm_tools/update_packages_and_run_tests.py
index 5d004546..cc96ec53 100755
--- a/llvm_tools/update_packages_and_run_tests.py
+++ b/llvm_tools/update_packages_and_run_tests.py
@@ -6,7 +6,6 @@
 
 """Runs a tryjob/tryjobs after updating the packages."""
 
-from __future__ import print_function
 
 import argparse
 import datetime
diff --git a/llvm_tools/update_packages_and_run_tests_unittest.py b/llvm_tools/update_packages_and_run_tests_unittest.py
index 0b029e04..cff28672 100755
--- a/llvm_tools/update_packages_and_run_tests_unittest.py
+++ b/llvm_tools/update_packages_and_run_tests_unittest.py
@@ -6,7 +6,6 @@
 
 """Unittests for running tests after updating packages."""
 
-from __future__ import print_function
 
 import json
 import subprocess
diff --git a/llvm_tools/update_tryjob_status.py b/llvm_tools/update_tryjob_status.py
index ea7fe9c0..4c72403d 100755
--- a/llvm_tools/update_tryjob_status.py
+++ b/llvm_tools/update_tryjob_status.py
@@ -6,7 +6,6 @@
 
 """Updates the status of a tryjob."""
 
-from __future__ import print_function
 
 import argparse
 import enum
diff --git a/llvm_tools/update_tryjob_status_unittest.py b/llvm_tools/update_tryjob_status_unittest.py
index b6fc59c8..e73cb281 100755
--- a/llvm_tools/update_tryjob_status_unittest.py
+++ b/llvm_tools/update_tryjob_status_unittest.py
@@ -6,7 +6,6 @@
 
 """Tests when updating a tryjob's status."""
 
-from __future__ import print_function
 
 import json
 import os
diff --git a/lock_machine.py b/lock_machine.py
index 030d7d45..e7befdb2 100755
--- a/lock_machine.py
+++ b/lock_machine.py
@@ -7,7 +7,6 @@
 
 """This module controls locking and unlocking of test machines."""
 
-from __future__ import print_function
 
 import argparse
 import enum
diff --git a/make_root_writable.py b/make_root_writable.py
index 500f8fe5..297a9150 100755
--- a/make_root_writable.py
+++ b/make_root_writable.py
@@ -10,8 +10,6 @@
 This script updates a remote chromebook to make the / directory writable."
 """
 
-from __future__ import print_function
-
 
 __author__ = "cmtice@google.com (Caroline Tice)"
 
diff --git a/orderfile/post_process_orderfile.py b/orderfile/post_process_orderfile.py
index 5d98756b..4f61c19f 100755
--- a/orderfile/post_process_orderfile.py
+++ b/orderfile/post_process_orderfile.py
@@ -19,8 +19,6 @@ The results of the file is intended to be uploaded and consumed when linking
 Chrome in ChromeOS.
 """
 
-from __future__ import division
-from __future__ import print_function
 
 import argparse
 import os
diff --git a/orderfile/post_process_orderfile_test.py b/orderfile/post_process_orderfile_test.py
index 4eb36699..d7ee3f8b 100755
--- a/orderfile/post_process_orderfile_test.py
+++ b/orderfile/post_process_orderfile_test.py
@@ -6,8 +6,6 @@
 
 """Tests for post_process_orderfile.py."""
 
-from __future__ import division
-from __future__ import print_function
 
 import os
 import shutil
diff --git a/pgo_tools/merge_profdata_and_upload.py b/pgo_tools/merge_profdata_and_upload.py
index 768a1a57..efc986f4 100755
--- a/pgo_tools/merge_profdata_and_upload.py
+++ b/pgo_tools/merge_profdata_and_upload.py
@@ -35,7 +35,6 @@ In this example, the script will merge profdata from arm and amd64 builder, and
 profdata from an arm64 buildbucket task.
 """
 
-from __future__ import print_function
 
 import argparse
 import collections
diff --git a/remote_test.py b/remote_test.py
index 574d6762..c3c88b5c 100755
--- a/remote_test.py
+++ b/remote_test.py
@@ -10,8 +10,6 @@
 This script can login to the chromeos machine using the test private key.
 """
 
-from __future__ import print_function
-
 
 __author__ = "asharif@google.com (Ahmad Sharif)"
 
diff --git a/run_tests_for.py b/run_tests_for.py
index 93d48984..a8ad1674 100755
--- a/run_tests_for.py
+++ b/run_tests_for.py
@@ -24,7 +24,6 @@ All tests are run in parallel.
 # of the chroot a bit more obnoxious?), but might be worth exploring if this
 # starts to grow quite complex on its own.
 
-from __future__ import print_function
 
 import argparse
 import collections
diff --git a/tc_enter_chroot.py b/tc_enter_chroot.py
index 0dcadb07..c746a0a2 100755
--- a/tc_enter_chroot.py
+++ b/tc_enter_chroot.py
@@ -9,8 +9,6 @@
 This script enters the chroot with mounted sources.
 """
 
-from __future__ import print_function
-
 
 __author__ = "asharif@google.com (Ahmad Sharif)"
 
diff --git a/update_telemetry_defaults.py b/update_telemetry_defaults.py
index 88420b64..a3feb6a0 100755
--- a/update_telemetry_defaults.py
+++ b/update_telemetry_defaults.py
@@ -11,8 +11,6 @@ results to be used in generating reports from running the Telemetry
 benchmarks.
 """
 
-from __future__ import print_function
-
 
 __author__ = "cmtice@google.com (Caroline Tice)"