diff --git a/win_toolchain/package_from_installed.py b/win_toolchain/package_from_installed.py
index 40301d21a..fe8ac29ea 100644
--- a/win_toolchain/package_from_installed.py
+++ b/win_toolchain/package_from_installed.py
@@ -52,7 +52,6 @@ _vs_version = None
 _win_version = None
 _vc_tools = None
 SUPPORTED_VS_VERSIONS = ['2017', '2019']
-_allow_multiple_vs_installs = False
 
 
 def GetVSPath():
@@ -61,34 +60,12 @@ def GetVSPath():
   # version is installed.
   command = (r'C:\Program Files (x86)\Microsoft Visual Studio\Installer'
              r'\vswhere.exe -prerelease')
-  vs_version_marker = 'catalog_productLineVersion: '
-  vs_path_marker = 'installationPath: '
+  marker = 'installationPath: '
   output = subprocess.check_output(command, universal_newlines=True)
-  vs_path = None
-  vs_installs_count = 0
-  matching_vs_path = None
   for line in output.splitlines():
-    if line.startswith(vs_path_marker):
-      # The path information comes first
-      vs_path = line[len(vs_path_marker):]
-      vs_installs_count += 1
-    if line.startswith(vs_version_marker):
-      # The version for that path comes later
-      if line[len(vs_version_marker):] == VS_VERSION:
-        matching_vs_path = vs_path
-
-  if vs_installs_count == 0:
-    raise Exception('VS %s path not found in vswhere output' % (VS_VERSION))
-  if vs_installs_count > 1:
-    if not _allow_multiple_vs_installs:
-      raise Exception('Multiple VS installs detected. This is unsupported. '
-                      'It is recommended that packaging be done on a clean VM '
-                      'with just one version installed. To proceed anyway add '
-                      'the --allow_multiple_vs_installs flag to this script')
-    else:
-      print('Multiple VS installs were detected. This is unsupported. '
-            'Proceeding anyway')
-  return matching_vs_path
+    if line.startswith(marker):
+      return line[len(marker):]
+  raise Exception('VS %s path not found in vswhere output' % (_vs_version))
 
 
 def ExpandWildcards(root, sub_dir):
@@ -500,9 +477,6 @@ def main():
   parser.add_option('--repackage', action='store', type='string',
                     dest='repackage_dir', default=None,
                     help='Specify raw directory to be packaged, for hot fixes.')
-  parser.add_option('--allow_multiple_vs_installs', action='store_true',
-                    default=False, dest='allow_multiple_vs_installs',
-                    help='Specify if multiple VS installs are allowed.')
   (options, args) = parser.parse_args()
 
   if options.repackage_dir:
@@ -525,8 +499,6 @@ def main():
     global _win_version
     _win_version = options.winver
     global _vc_tools
-    global _allow_multiple_vs_installs
-    _allow_multiple_vs_installs = options.allow_multiple_vs_installs
     vs_path = GetVSPath()
     temp_tools_path = ExpandWildcards(vs_path, 'VC/Tools/MSVC/14.*.*')
     # Strip off the leading vs_path characters and switch back to / separators.