diff --git a/third_party/gpus/crosstool/windows/msvc_wrapper_for_nvcc.py.tpl b/third_party/gpus/crosstool/windows/msvc_wrapper_for_nvcc.py.tpl
index 0d1423f8ba0..59d8e93e7f3 100644
--- a/third_party/gpus/crosstool/windows/msvc_wrapper_for_nvcc.py.tpl
+++ b/third_party/gpus/crosstool/windows/msvc_wrapper_for_nvcc.py.tpl
@@ -27,7 +27,6 @@ import os
 import subprocess
 import re
 import sys
-import pipes
 import tempfile
 
 # Template values set by cuda_autoconf.
@@ -202,7 +201,6 @@ def main():
 
   if args.x and args.x[0] == 'cuda':
     if args.cuda_log: Log('-x cuda')
-    leftover = [pipes.quote(s) for s in leftover]
     if args.cuda_log: Log('using nvcc')
     return InvokeNvcc(leftover, log=args.cuda_log)