diff --git a/utils/build-script b/utils/build-script
index 2d0a03169a680..436fb357bac59 100755
--- a/utils/build-script
+++ b/utils/build-script
@@ -27,7 +27,6 @@ from build_swift.build_swift import presets
 import six
 
 from swift_build_support.swift_build_support import (
-    debug,
     diagnostics,
     products,
     shell,
@@ -71,6 +70,25 @@ class JSONDumper(json.JSONEncoder):
         return six.text_type(o)
 
 
+def print_xcodebuild_versions(file=sys.stdout):
+    """
+    Print the host machine's `xcodebuild` version, as well as version
+    information for all available SDKs.
+    """
+    version = shell.capture(
+        ['xcodebuild', '-version'], dry_run=False, echo=False).rstrip()
+    # Allow non-zero exit codes.  Under certain obscure circumstances
+    # xcodebuild can exit with a non-zero exit code even when the SDK is
+    # usable.
+    sdks = shell.capture(
+        ['xcodebuild', '-version', '-sdk'], dry_run=False, echo=False,
+        allow_non_zero_exit=True).rstrip()
+    fmt = '{version}\n\n--- SDK versions ---\n{sdks}\n'
+
+    print(fmt.format(version=version, sdks=sdks), file=file)
+    file.flush()
+
+
 class BuildScriptInvocation(object):
 
     """Represent a single build script invocation."""
@@ -1116,7 +1134,7 @@ def main_normal():
 
     # Show SDKs, if requested.
     if args.show_sdks:
-        debug.print_xcodebuild_versions()
+        print_xcodebuild_versions()
 
     if args.dump_config:
         print(JSONDumper().encode(invocation))
diff --git a/utils/swift_build_support/swift_build_support/debug.py b/utils/swift_build_support/swift_build_support/debug.py
deleted file mode 100644
index e4369b97d1902..0000000000000
--- a/utils/swift_build_support/swift_build_support/debug.py
+++ /dev/null
@@ -1,46 +0,0 @@
-# swift_build_support/debug.py - Print information on the build -*- python -*-
-#
-# This source file is part of the Swift.org open source project
-#
-# Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
-# Licensed under Apache License v2.0 with Runtime Library Exception
-#
-# See https://swift.org/LICENSE.txt for license information
-# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
-#
-# ----------------------------------------------------------------------------
-#
-# Convenient functions for printing out information on the build process.
-#
-# ----------------------------------------------------------------------------
-
-from __future__ import absolute_import
-from __future__ import print_function
-
-import sys
-
-from . import shell
-
-
-def print_xcodebuild_versions(file=sys.stdout):
-    """
-    Print the host machine's `xcodebuild` version, as well as version
-    information for all available SDKs.
-    """
-    version = shell.capture(
-        ['xcodebuild', '-version'], dry_run=False, echo=False).rstrip()
-    # Allow non-zero exit codes.  Under certain obscure circumstances
-    # xcodebuild can exit with a non-zero exit code even when the SDK is
-    # usable.
-    sdks = shell.capture(
-        ['xcodebuild', '-version', '-sdk'], dry_run=False, echo=False,
-        allow_non_zero_exit=True).rstrip()
-    fmt = """\
-{version}
-
---- SDK versions ---
-{sdks}
-
-"""
-    print(fmt.format(version=version, sdks=sdks), file=file)
-    file.flush()
diff --git a/utils/swift_build_support/tests/test_debug.py b/utils/swift_build_support/tests/test_debug.py
deleted file mode 100644
index 954db17146730..0000000000000
--- a/utils/swift_build_support/tests/test_debug.py
+++ /dev/null
@@ -1,41 +0,0 @@
-# test_debug.py - Unit tests for swift_build_support.debug -*- python -*-
-#
-# This source file is part of the Swift.org open source project
-#
-# Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
-# Licensed under Apache License v2.0 with Runtime Library Exception
-#
-# See https://swift.org/LICENSE.txt for license information
-# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
-
-import platform
-import unittest
-try:
-    # py2
-    from StringIO import StringIO
-except ImportError:
-    # py3
-    from io import StringIO
-
-from swift_build_support import debug
-
-
-class PrintXcodebuildVersionsTestCase(unittest.TestCase):
-    def setUp(self):
-        if platform.system() != 'Darwin':
-            self.skipTest('print_xcodebuild_version() tests should only be '
-                          'run on OS X')
-        self._out = StringIO()
-
-    def test_outputs_xcode_version(self):
-        debug.print_xcodebuild_versions(file=self._out)
-        actual = self._out.getvalue().splitlines()
-        self.assertTrue(actual[0].startswith('Xcode '))
-        self.assertTrue(actual[1].startswith('Build version '))
-        self.assertEqual(actual[3], '--- SDK versions ---')
-        # You can't test beyond this because each developer's machines may have
-        # a different set of SDKs installed.
-
-
-if __name__ == '__main__':
-    unittest.main()