diff --git a/sys/Kconfig.stdio b/sys/Kconfig.stdio
index db9577e413..aa2610f29b 100644
--- a/sys/Kconfig.stdio
+++ b/sys/Kconfig.stdio
@@ -13,7 +13,7 @@ choice STDIO_IMPLEMENTATION
     default MODULE_STDIO_NATIVE if CPU_ARCH_NATIVE
     default MODULE_STDIO_UART
 
-# TODO: Add MODULE_STDIO_CDC_ACM, MODULE_STDIO_RTT, and MODULE_STDIO_ETHOS
+# TODO: Add MODULE_STDIO_RTT, and MODULE_STDIO_ETHOS
 
 config MODULE_SLIPDEV_STDIO
     bool "SLIP network device"