diff --git a/target/linux/ppc40x/config-default b/target/linux/ppc40x/config-default
index 7ac4e254d..6bd8e9427 100644
--- a/target/linux/ppc40x/config-default
+++ b/target/linux/ppc40x/config-default
@@ -213,6 +213,7 @@ CONFIG_SERIAL_8250_EXTENDED=y
 CONFIG_SERIAL_8250_SHARE_IRQ=y
 CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_SLABINFO=y
+# CONFIG_SND_PPC is not set
 # CONFIG_SOFT_WATCHDOG is not set
 # CONFIG_SOUND is not set
 # CONFIG_SPARSEMEM_STATIC is not set
diff --git a/target/linux/ppc44x/config-default b/target/linux/ppc44x/config-default
index 1eb838cce..1b2ddbebd 100644
--- a/target/linux/ppc44x/config-default
+++ b/target/linux/ppc44x/config-default
@@ -159,6 +159,7 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
 CONFIG_SERIAL_OF_PLATFORM=y
 # CONFIG_SERIAL_TEXT_DEBUG is not set
 # CONFIG_SEQUOIA is not set
+# CONFIG_SND_PPC is not set
 # CONFIG_SOFT_WATCHDOG is not set
 # CONFIG_SOUND is not set
 # CONFIG_SPARSEMEM_STATIC is not set