diff --git a/arch/powerpc/configs/cell_defconfig b/arch/powerpc/configs/cell_defconfig
index c6fb2092af383538d0f008fd18ed75f55202be86..31a7fe3ac4a8c258cca22b0c53d0a15478b539f2 100644
--- a/arch/powerpc/configs/cell_defconfig
+++ b/arch/powerpc/configs/cell_defconfig
@@ -147,8 +147,6 @@ CONFIG_SPIDER_NET=y
 CONFIG_SERIAL_NONSTANDARD=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_TXX9_NR_UARTS=2
-CONFIG_SERIAL_TXX9_CONSOLE=y
 CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_HVC_RTAS=y
 CONFIG_IPMI_HANDLER=m
diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index c3ff99646dcddf5160c64f16d0b071837deb9bce..119273e6ba04191d0b86b7cb41d58dff2240f082 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -192,7 +192,6 @@ CONFIG_INPUT_PCSPKR=m
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_ICOM=m
-CONFIG_SERIAL_TXX9_CONSOLE=y
 CONFIG_SERIAL_JSM=m
 CONFIG_HVC_CONSOLE=y
 CONFIG_HVC_RTAS=y