diff --git a/reclient_helper.py b/reclient_helper.py
index 8c832a6ee..f60de3e5e 100644
--- a/reclient_helper.py
+++ b/reclient_helper.py
@@ -274,30 +274,13 @@ def set_mac_defaults():
     os.environ.setdefault("RBE_deps_cache_max_mb", "1024")
 
 
-def is_win_ctop():
-    if not sys.platform.startswith("win"):
-        return False
-    import winreg
-    try:
-        bios = winreg.OpenKeyEx(winreg.HKEY_LOCAL_MACHINE,
-                                r"SOFTWARE\\GWindows")
-        model = winreg.QueryValueEx(bios, "Model")
-        val = len(model) > 0 and model[0] == 'Google Compute Engine'
-        if bios:
-            winreg.CloseKey(bios)
-        return val
-    except OSError:
-        return False
-
-
 def set_win_defaults():
     # Enable the deps cache on windows.  This makes a notable improvement
     # in performance at the cost of a ~200MB cache file.
     os.environ.setdefault("RBE_enable_deps_cache", "true")
-    if is_win_ctop():
-        # Reduce local resource fraction used to do local compile actions on
-        # windows, to try and prevent machine saturation.
-        os.environ.setdefault("RBE_local_resource_fraction", "0.05")
+    # Reduce local resource fraction used to do local compile actions on
+    # windows, to try and prevent machine saturation.
+    os.environ.setdefault("RBE_local_resource_fraction", "0.05")
 
 
 def workspace_is_cog():