From 4fb4756ec9a4c38d0ce78133e9c434b25cd86a94 Mon Sep 17 00:00:00 2001
From: Chad Austin <chadaustin@fb.com>
Date: Mon, 24 Jan 2022 20:12:34 -0800
Subject: [PATCH] remove legacy __future__ imports

Summary: The future is now.

Reviewed By: xavierd

Differential Revision: D33714537

fbshipit-source-id: 8d282bbe7391c4b72b70dab54a5c252060fba457
---
 build/fbcode_builder/CMake/fb_py_test_main.py      | 1 -
 build/fbcode_builder/docker_builder.py             | 4 ----
 build/fbcode_builder/fbcode_builder.py             | 4 ----
 build/fbcode_builder/fbcode_builder_config.py      | 4 ----
 build/fbcode_builder/getdeps.py                    | 2 --
 build/fbcode_builder/getdeps/builder.py            | 3 ---
 build/fbcode_builder/getdeps/buildopts.py          | 2 --
 build/fbcode_builder/getdeps/cache.py              | 2 --
 build/fbcode_builder/getdeps/copytree.py           | 2 --
 build/fbcode_builder/getdeps/dyndeps.py            | 2 --
 build/fbcode_builder/getdeps/envfuncs.py           | 2 --
 build/fbcode_builder/getdeps/errors.py             | 2 --
 build/fbcode_builder/getdeps/expr.py               | 2 --
 build/fbcode_builder/getdeps/fetcher.py            | 2 --
 build/fbcode_builder/getdeps/load.py               | 2 --
 build/fbcode_builder/getdeps/manifest.py           | 2 --
 build/fbcode_builder/getdeps/platform.py           | 2 --
 build/fbcode_builder/getdeps/py_wheel_builder.py   | 2 --
 build/fbcode_builder/getdeps/runcmd.py             | 2 --
 build/fbcode_builder/getdeps/subcmd.py             | 2 --
 build/fbcode_builder/getdeps/test/expr_test.py     | 1 -
 build/fbcode_builder/getdeps/test/manifest_test.py | 1 -
 build/fbcode_builder/getdeps/test/platform_test.py | 1 -
 build/fbcode_builder/getdeps/test/scratch_test.py  | 1 -
 build/fbcode_builder/make_docker_context.py        | 4 ----
 build/fbcode_builder/parse_args.py                 | 4 ----
 build/fbcode_builder/shell_builder.py              | 4 ----
 build/fbcode_builder/shell_quoting.py              | 4 ----
 build/fbcode_builder/specs/fbthrift.py             | 4 ----
 build/fbcode_builder/specs/fbzmq.py                | 4 ----
 build/fbcode_builder/specs/fizz.py                 | 4 ----
 build/fbcode_builder/specs/fmt.py                  | 4 ----
 build/fbcode_builder/specs/folly.py                | 4 ----
 build/fbcode_builder/specs/gmock.py                | 4 ----
 build/fbcode_builder/specs/mvfst.py                | 4 ----
 build/fbcode_builder/specs/proxygen.py             | 4 ----
 build/fbcode_builder/specs/proxygen_quic.py        | 4 ----
 build/fbcode_builder/specs/re2.py                  | 4 ----
 build/fbcode_builder/specs/rocksdb.py              | 4 ----
 build/fbcode_builder/specs/sodium.py               | 4 ----
 build/fbcode_builder/specs/wangle.py               | 4 ----
 build/fbcode_builder/specs/zstd.py                 | 4 ----
 build/fbcode_builder/utils.py                      | 4 ----
 43 files changed, 126 deletions(-)

diff --git a/build/fbcode_builder/CMake/fb_py_test_main.py b/build/fbcode_builder/CMake/fb_py_test_main.py
index 1f3563aff..e9ae5dd02 100644
--- a/build/fbcode_builder/CMake/fb_py_test_main.py
+++ b/build/fbcode_builder/CMake/fb_py_test_main.py
@@ -6,7 +6,6 @@
 This file contains the main module code for Python test programs.
 """
 
-from __future__ import print_function
 
 import contextlib
 import ctypes
diff --git a/build/fbcode_builder/docker_builder.py b/build/fbcode_builder/docker_builder.py
index 83df7137c..f219bf316 100644
--- a/build/fbcode_builder/docker_builder.py
+++ b/build/fbcode_builder/docker_builder.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 """
 
diff --git a/build/fbcode_builder/fbcode_builder.py b/build/fbcode_builder/fbcode_builder.py
index 742099321..bd5356a0e 100644
--- a/build/fbcode_builder/fbcode_builder.py
+++ b/build/fbcode_builder/fbcode_builder.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 """
 
diff --git a/build/fbcode_builder/fbcode_builder_config.py b/build/fbcode_builder/fbcode_builder_config.py
index 5ba6e607a..2da5fad12 100644
--- a/build/fbcode_builder/fbcode_builder_config.py
+++ b/build/fbcode_builder/fbcode_builder_config.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 "Demo config, so that `make_docker_context.py --help` works in this directory."
 
diff --git a/build/fbcode_builder/getdeps.py b/build/fbcode_builder/getdeps.py
index 17266ef9b..a7e2ff1eb 100755
--- a/build/fbcode_builder/getdeps.py
+++ b/build/fbcode_builder/getdeps.py
@@ -4,8 +4,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import argparse
 import json
 import os
diff --git a/build/fbcode_builder/getdeps/builder.py b/build/fbcode_builder/getdeps/builder.py
index 12555c56c..8e7ab260a 100644
--- a/build/fbcode_builder/getdeps/builder.py
+++ b/build/fbcode_builder/getdeps/builder.py
@@ -4,8 +4,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import json
 import os
 import shutil
@@ -350,7 +348,6 @@ class CMakeBuilder(BuilderBase):
     MANUAL_BUILD_SCRIPT = """\
 #!{sys.executable}
 
-from __future__ import absolute_import, division, print_function, unicode_literals
 
 import argparse
 import subprocess
diff --git a/build/fbcode_builder/getdeps/buildopts.py b/build/fbcode_builder/getdeps/buildopts.py
index cf27e5963..5b731b003 100644
--- a/build/fbcode_builder/getdeps/buildopts.py
+++ b/build/fbcode_builder/getdeps/buildopts.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import errno
 import glob
 import ntpath
diff --git a/build/fbcode_builder/getdeps/cache.py b/build/fbcode_builder/getdeps/cache.py
index 00002f09c..eb790ac71 100644
--- a/build/fbcode_builder/getdeps/cache.py
+++ b/build/fbcode_builder/getdeps/cache.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 
 class ArtifactCache(object):
     """The ArtifactCache is a small abstraction that allows caching
diff --git a/build/fbcode_builder/getdeps/copytree.py b/build/fbcode_builder/getdeps/copytree.py
index aaeb7e0b7..bcec12f5c 100644
--- a/build/fbcode_builder/getdeps/copytree.py
+++ b/build/fbcode_builder/getdeps/copytree.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import os
 import shutil
 import subprocess
diff --git a/build/fbcode_builder/getdeps/dyndeps.py b/build/fbcode_builder/getdeps/dyndeps.py
index 350bc3b02..04746124a 100644
--- a/build/fbcode_builder/getdeps/dyndeps.py
+++ b/build/fbcode_builder/getdeps/dyndeps.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import errno
 import glob
 import os
diff --git a/build/fbcode_builder/getdeps/envfuncs.py b/build/fbcode_builder/getdeps/envfuncs.py
index e8afed259..9d7477fe8 100644
--- a/build/fbcode_builder/getdeps/envfuncs.py
+++ b/build/fbcode_builder/getdeps/envfuncs.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import os
 import shlex
 import sys
diff --git a/build/fbcode_builder/getdeps/errors.py b/build/fbcode_builder/getdeps/errors.py
index ba3669562..a46e41512 100644
--- a/build/fbcode_builder/getdeps/errors.py
+++ b/build/fbcode_builder/getdeps/errors.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 
 class TransientFailure(Exception):
     """Raising this error causes getdeps to return with an error code
diff --git a/build/fbcode_builder/getdeps/expr.py b/build/fbcode_builder/getdeps/expr.py
index 1ad5f77e0..0472c493f 100644
--- a/build/fbcode_builder/getdeps/expr.py
+++ b/build/fbcode_builder/getdeps/expr.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import re
 import shlex
 
diff --git a/build/fbcode_builder/getdeps/fetcher.py b/build/fbcode_builder/getdeps/fetcher.py
index 0923dca01..486f47d6d 100644
--- a/build/fbcode_builder/getdeps/fetcher.py
+++ b/build/fbcode_builder/getdeps/fetcher.py
@@ -4,8 +4,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import errno
 import hashlib
 import os
diff --git a/build/fbcode_builder/getdeps/load.py b/build/fbcode_builder/getdeps/load.py
index 6ef8f6026..481900986 100644
--- a/build/fbcode_builder/getdeps/load.py
+++ b/build/fbcode_builder/getdeps/load.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import base64
 import hashlib
 import os
diff --git a/build/fbcode_builder/getdeps/manifest.py b/build/fbcode_builder/getdeps/manifest.py
index 08645e6ad..9b782f878 100644
--- a/build/fbcode_builder/getdeps/manifest.py
+++ b/build/fbcode_builder/getdeps/manifest.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import io
 import os
 
diff --git a/build/fbcode_builder/getdeps/platform.py b/build/fbcode_builder/getdeps/platform.py
index 0054a1a46..c7c7547e8 100644
--- a/build/fbcode_builder/getdeps/platform.py
+++ b/build/fbcode_builder/getdeps/platform.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import platform
 import re
 import shlex
diff --git a/build/fbcode_builder/getdeps/py_wheel_builder.py b/build/fbcode_builder/getdeps/py_wheel_builder.py
index 610ea4a64..cc783b713 100644
--- a/build/fbcode_builder/getdeps/py_wheel_builder.py
+++ b/build/fbcode_builder/getdeps/py_wheel_builder.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import codecs
 import collections
 import email
diff --git a/build/fbcode_builder/getdeps/runcmd.py b/build/fbcode_builder/getdeps/runcmd.py
index 935c08a3b..7254a16d5 100644
--- a/build/fbcode_builder/getdeps/runcmd.py
+++ b/build/fbcode_builder/getdeps/runcmd.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 import os
 import select
 import subprocess
diff --git a/build/fbcode_builder/getdeps/subcmd.py b/build/fbcode_builder/getdeps/subcmd.py
index bafccfd4f..f6c061814 100644
--- a/build/fbcode_builder/getdeps/subcmd.py
+++ b/build/fbcode_builder/getdeps/subcmd.py
@@ -3,8 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 
 class SubCmd(object):
     NAME = None
diff --git a/build/fbcode_builder/getdeps/test/expr_test.py b/build/fbcode_builder/getdeps/test/expr_test.py
index e2c809472..e94347d6e 100644
--- a/build/fbcode_builder/getdeps/test/expr_test.py
+++ b/build/fbcode_builder/getdeps/test/expr_test.py
@@ -3,7 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
 
 import unittest
 
diff --git a/build/fbcode_builder/getdeps/test/manifest_test.py b/build/fbcode_builder/getdeps/test/manifest_test.py
index 7aa08d7f7..3541bf7e4 100644
--- a/build/fbcode_builder/getdeps/test/manifest_test.py
+++ b/build/fbcode_builder/getdeps/test/manifest_test.py
@@ -3,7 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
 
 import sys
 import unittest
diff --git a/build/fbcode_builder/getdeps/test/platform_test.py b/build/fbcode_builder/getdeps/test/platform_test.py
index 01895cd8c..473916281 100644
--- a/build/fbcode_builder/getdeps/test/platform_test.py
+++ b/build/fbcode_builder/getdeps/test/platform_test.py
@@ -3,7 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function, unicode_literals
 
 import unittest
 
diff --git a/build/fbcode_builder/getdeps/test/scratch_test.py b/build/fbcode_builder/getdeps/test/scratch_test.py
index 412ac73c2..028074a68 100644
--- a/build/fbcode_builder/getdeps/test/scratch_test.py
+++ b/build/fbcode_builder/getdeps/test/scratch_test.py
@@ -3,7 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-from __future__ import absolute_import, division, print_function
 
 import unittest
 
diff --git a/build/fbcode_builder/make_docker_context.py b/build/fbcode_builder/make_docker_context.py
index d4b0f0a89..5bc00e07a 100755
--- a/build/fbcode_builder/make_docker_context.py
+++ b/build/fbcode_builder/make_docker_context.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 """
 Reads `fbcode_builder_config.py` from the current directory, and prepares a
diff --git a/build/fbcode_builder/parse_args.py b/build/fbcode_builder/parse_args.py
index 8d5e35330..fce197a7a 100644
--- a/build/fbcode_builder/parse_args.py
+++ b/build/fbcode_builder/parse_args.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 "Argument parsing logic shared by all fbcode_builder CLI tools."
 
diff --git a/build/fbcode_builder/shell_builder.py b/build/fbcode_builder/shell_builder.py
index e0d5429ad..ebc4e4d0d 100644
--- a/build/fbcode_builder/shell_builder.py
+++ b/build/fbcode_builder/shell_builder.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 """
 shell_builder.py allows running the fbcode_builder logic
diff --git a/build/fbcode_builder/shell_quoting.py b/build/fbcode_builder/shell_quoting.py
index 7429226bd..74311fa09 100644
--- a/build/fbcode_builder/shell_quoting.py
+++ b/build/fbcode_builder/shell_quoting.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 """
 
diff --git a/build/fbcode_builder/specs/fbthrift.py b/build/fbcode_builder/specs/fbthrift.py
index f0c7e7ac7..802fcc6a4 100644
--- a/build/fbcode_builder/specs/fbthrift.py
+++ b/build/fbcode_builder/specs/fbthrift.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 import specs.fizz as fizz
 import specs.fmt as fmt
diff --git a/build/fbcode_builder/specs/fbzmq.py b/build/fbcode_builder/specs/fbzmq.py
index 78c8bc9dd..5bec0f924 100644
--- a/build/fbcode_builder/specs/fbzmq.py
+++ b/build/fbcode_builder/specs/fbzmq.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 import specs.fbthrift as fbthrift
 import specs.fmt as fmt
diff --git a/build/fbcode_builder/specs/fizz.py b/build/fbcode_builder/specs/fizz.py
index 82f26e67c..7bde4e6ef 100644
--- a/build/fbcode_builder/specs/fizz.py
+++ b/build/fbcode_builder/specs/fizz.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 import specs.fmt as fmt
 import specs.folly as folly
diff --git a/build/fbcode_builder/specs/fmt.py b/build/fbcode_builder/specs/fmt.py
index 395316799..deca24774 100644
--- a/build/fbcode_builder/specs/fmt.py
+++ b/build/fbcode_builder/specs/fmt.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 
 def fbcode_builder_spec(builder):
diff --git a/build/fbcode_builder/specs/folly.py b/build/fbcode_builder/specs/folly.py
index e89d5e955..2fd2a26e6 100644
--- a/build/fbcode_builder/specs/folly.py
+++ b/build/fbcode_builder/specs/folly.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 import specs.fmt as fmt
 
diff --git a/build/fbcode_builder/specs/gmock.py b/build/fbcode_builder/specs/gmock.py
index 774137301..9c74e61bb 100644
--- a/build/fbcode_builder/specs/gmock.py
+++ b/build/fbcode_builder/specs/gmock.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 
 def fbcode_builder_spec(builder):
diff --git a/build/fbcode_builder/specs/mvfst.py b/build/fbcode_builder/specs/mvfst.py
index ce8b003d9..cc1d41b53 100644
--- a/build/fbcode_builder/specs/mvfst.py
+++ b/build/fbcode_builder/specs/mvfst.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 import specs.fizz as fizz
 import specs.folly as folly
diff --git a/build/fbcode_builder/specs/proxygen.py b/build/fbcode_builder/specs/proxygen.py
index 6a584d710..a3a4b4549 100644
--- a/build/fbcode_builder/specs/proxygen.py
+++ b/build/fbcode_builder/specs/proxygen.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 import specs.fizz as fizz
 import specs.fmt as fmt
diff --git a/build/fbcode_builder/specs/proxygen_quic.py b/build/fbcode_builder/specs/proxygen_quic.py
index b4959fb89..beb80deb9 100644
--- a/build/fbcode_builder/specs/proxygen_quic.py
+++ b/build/fbcode_builder/specs/proxygen_quic.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 import specs.fizz as fizz
 import specs.fmt as fmt
diff --git a/build/fbcode_builder/specs/re2.py b/build/fbcode_builder/specs/re2.py
index cf4e08a0b..54faf1d88 100644
--- a/build/fbcode_builder/specs/re2.py
+++ b/build/fbcode_builder/specs/re2.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 
 def fbcode_builder_spec(builder):
diff --git a/build/fbcode_builder/specs/rocksdb.py b/build/fbcode_builder/specs/rocksdb.py
index 9ebfe4739..f51034d86 100644
--- a/build/fbcode_builder/specs/rocksdb.py
+++ b/build/fbcode_builder/specs/rocksdb.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 
 def fbcode_builder_spec(builder):
diff --git a/build/fbcode_builder/specs/sodium.py b/build/fbcode_builder/specs/sodium.py
index 8be9833cf..7793452b8 100644
--- a/build/fbcode_builder/specs/sodium.py
+++ b/build/fbcode_builder/specs/sodium.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 from shell_quoting import ShellQuoted
 
diff --git a/build/fbcode_builder/specs/wangle.py b/build/fbcode_builder/specs/wangle.py
index 62b5b3c86..7e444e26d 100644
--- a/build/fbcode_builder/specs/wangle.py
+++ b/build/fbcode_builder/specs/wangle.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 import specs.fizz as fizz
 import specs.fmt as fmt
diff --git a/build/fbcode_builder/specs/zstd.py b/build/fbcode_builder/specs/zstd.py
index 14d9a1249..9e2682db7 100644
--- a/build/fbcode_builder/specs/zstd.py
+++ b/build/fbcode_builder/specs/zstd.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 from shell_quoting import ShellQuoted
 
diff --git a/build/fbcode_builder/utils.py b/build/fbcode_builder/utils.py
index 02459a200..7cfff9d33 100644
--- a/build/fbcode_builder/utils.py
+++ b/build/fbcode_builder/utils.py
@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 # Copyright (c) Facebook, Inc. and its affiliates.
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
 
 "Miscellaneous utility functions."