diff --git a/meta-facebook/recipes-phosphor/interfaces/bmcweb_%.bbappend b/meta-facebook/recipes-phosphor/interfaces/bmcweb_%.bbappend
index 9441479..93b7c8a 100644
--- a/meta-facebook/recipes-phosphor/interfaces/bmcweb_%.bbappend
+++ b/meta-facebook/recipes-phosphor/interfaces/bmcweb_%.bbappend
@@ -1,6 +1,5 @@
 EXTRA_OEMESON:append = "\
     -Dredfish-dbus-log=enabled \
-    -Dredfish-new-powersubsystem-thermalsubsystem=enabled \
 "
 
 PACKAGECONFIG:append = " insecure-redfish-expand"