diff --git a/CMakeLists.txt b/CMakeLists.txt
index d2953a001cd0..7f01413c1a4d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -163,6 +163,7 @@ if(MSVC)
   add_definitions(-DDMLC_STRICT_CXX11)
   add_definitions(-DNOMINMAX)
   set(CMAKE_C_FLAGS "/MP")
+  # report an accurate value for recent C++ language standards support
   set(CMAKE_CXX_FLAGS "/Zc:__cplusplus")
   set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} /bigobj")
 else()
diff --git a/ci/build_windows.py b/ci/build_windows.py
index 7412a733bc90..0215a1908d2e 100755
--- a/ci/build_windows.py
+++ b/ci/build_windows.py
@@ -171,7 +171,7 @@ def windows_build(args):
     logging.info("Using vcvars environment:\n{}".format(args.vcvars))
 
     path = args.output
-    
+
     # cuda thrust + VS is flaky so try multiple times if fail
     MAXIMUM_TRY = 5
     build_try = 0
@@ -197,7 +197,7 @@ def windows_build(args):
 
             t0 = int(time.time())
             ret = call(cmd, shell=True)
-            
+
             if ret != 0:
                 build_try += 1
                 logging.info("{} build(s) have failed".format(build_try))
@@ -226,7 +226,7 @@ def windows_package(args):
         for dll in dlls:
             logging.info("packing dll: %s", dll)
             shutil.copy(dll, pkgdir_lib)
-        
+
         os.chdir(get_mxnet_root())
         logging.info('packing python bindings')
         copy_tree('python', j(pkgdir, 'python'))
@@ -234,7 +234,7 @@ def windows_package(args):
         copy_tree('include', j(pkgdir, 'include'))
         logging.info("Compressing package: %s", pkgfile)
         check_call(['7z', 'a', pkgfile, pkgdir])
-    
+
 
 def nix_build(args):
     path = args.output
diff --git a/ci/windows/test_py3_gpu.ps1 b/ci/windows/test_py3_gpu.ps1
index 7a829273ee9c..6286bc0a3c82 100644
--- a/ci/windows/test_py3_gpu.ps1
+++ b/ci/windows/test_py3_gpu.ps1
@@ -25,15 +25,6 @@ $env:MXNET_HOME=[io.path]::combine($PSScriptRoot, 'mxnet_home')
 
 $env:PATH+=[io.path]::combine($pwd.Path,"windows_package\lib")
 
-echo "Printing env vars"
-echo $env:MXNET_LIBRARY_PATH
-echo $env:PYTHONPATH
-echo $env:MXNET_HOME
-echo $env:PATH
-Get-ChildItem -Path (join-path $pwd.Path windows_package\lib)
-Invoke-RestMethod -uri http://169.254.169.254/latest/meta-data/instance-type
-echo "All printed"
-
 C:\Python37\Scripts\pip install -r tests\requirements.txt
 C:\Python37\Scripts\pip install -e $env:PYTHONPATH