diff --git a/nuttx-configs/px4fmu-v4pro/nsh/defconfig b/nuttx-configs/px4fmu-v4pro/nsh/defconfig
index b23d47fca9..0beb225b2e 100644
--- a/nuttx-configs/px4fmu-v4pro/nsh/defconfig
+++ b/nuttx-configs/px4fmu-v4pro/nsh/defconfig
@@ -1237,7 +1237,6 @@ CONFIG_LIBC_ARCH_MEMCPY=y
 # CONFIG_LIBC_ARCH_STRNCPY is not set
 # CONFIG_LIBC_ARCH_STRLEN is not set
 # CONFIG_LIBC_ARCH_STRNLEN is not set
-# CONFIG_LIBC_ARCH_BZERO is not set
 # CONFIG_LIBC_ARCH_ELF is not set
 CONFIG_ARMV7M_MEMCPY=y
 # CONFIG_NOPRINTF_FIELDWIDTH is not set