diff --git build/toolchain/win/tool_wrapper.py build/toolchain/win/tool_wrapper.py
index e5cc81b1fde7..d32cd8779948 100644
--- build/toolchain/win/tool_wrapper.py
+++ build/toolchain/win/tool_wrapper.py
@@ -17,50 +17,6 @@ import subprocess
 import stat
 import sys
 
-# Embedded vpython spec to provide `win32file` when this is invoked with
-# vpython on windows.
-#
-# [VPYTHON:BEGIN]
-# wheel: <
-#   name: "infra/python/wheels/pypiwin32/${vpython_platform}"
-#   version: "version:219"
-#   match_tag: < platform: "win32" >
-#   match_tag: < platform: "win_amd64" >
-# >
-# [VPYTHON:END]
-
-if sys.platform == "win32":
-  try:
-    # First, try the normal way. This will work for python installations which
-    # have win32file already, or for vpython invocations of this script.
-    import win32file
-  except ImportError:
-    # Otherwise, do a hack to locate the depot_tools specific version of
-    # win32file.
-    #
-    # tool_wrapper.py doesn't get invoked through python.bat so the Python bin
-    # directory doesn't get added to the path. The Python module search logic
-    # handles this fine and finds win32file.pyd. However the Windows module
-    # search logic then looks for pywintypes27.dll and other DLLs in the path
-    # and if it finds versions with a different bitness first then win32file.pyd
-    # will fail to load with a cryptic error:
-    #     ImportError: DLL load failed: %1 is not a valid Win32 application.
-    if sys.platform == 'win32':
-      os.environ['PATH'] = os.path.dirname(sys.executable) + \
-                           os.pathsep + os.environ['PATH']
-      import win32file    # pylint: disable=import-error
-
-  def superflush(pe_name):
-    # Flush the file buffers to try to work around a Windows 10 kernel bug,
-    # https://crbug.com/644525
-    output_handle = win32file.CreateFile(pe_name, win32file.GENERIC_WRITE,
-                                    0, None, win32file.OPEN_EXISTING, 0, 0)
-    win32file.FlushFileBuffers(output_handle)
-    output_handle.Close()
-else:
-  def superflush(pe_name):
-    return None
-
 BASE_DIR = os.path.dirname(os.path.abspath(__file__))
 
 # A regex matching an argument corresponding to the output filename passed to
@@ -188,10 +144,7 @@ class WinTool(object):
           not line.startswith('Generating code') and
           not line.startswith('Finished generating code')):
         print(line)
-    result = link.wait()
-    if result == 0 and sys.platform == 'win32':
-      superflush(pe_name)
-    return result
+    return link.wait()
 
   def ExecAsmWrapper(self, arch, *args):
     """Filter logo banner from invocations of asm.exe."""