diff --git a/vpd-manager/src/manager.cpp b/vpd-manager/src/manager.cpp
index 37fe02b..db89920 100644
--- a/vpd-manager/src/manager.cpp
+++ b/vpd-manager/src/manager.cpp
@@ -27,7 +27,8 @@
     const std::shared_ptr<sdbusplus::asio::connection>& asioConnection) :
     m_ioContext(ioCon), m_interface(iFace), m_asioConnection(asioConnection)
 {
-#ifdef IBM_SYSTEM
+// Single FAB functionality to be included in subsequent commit.
+#ifdef IBM_SYSTEM_UNUSED
     if (!dbusUtility::isChassisPowerOn())
     {
         SingleFab l_singleFab;