diff --git a/configs/xilinx-ppc440-generic_defconfig b/configs/xilinx-ppc440-generic_defconfig
index 42c2b35..464bee1 100644
--- a/configs/xilinx-ppc440-generic_defconfig
+++ b/configs/xilinx-ppc440-generic_defconfig
@@ -19,5 +19,6 @@
 CONFIG_CMD_CACHE=y
 CONFIG_OF_EMBED=y
 CONFIG_NETCONSOLE=y
+# CONFIG_PCI is not set
 CONFIG_SYS_NS16550=y
 CONFIG_XILINX_UARTLITE=y