diff --git a/configs/sim/nsh/defconfig b/configs/sim/nsh/defconfig
index ac8661d0bc1..e6dcd46af85 100644
--- a/configs/sim/nsh/defconfig
+++ b/configs/sim/nsh/defconfig
@@ -184,6 +184,7 @@ CONFIG_INIT_ENTRYPOINT=y
 # CONFIG_INIT_FILEPATH is not set
 CONFIG_USER_ENTRYPOINT="nsh_main"
 CONFIG_RR_INTERVAL=0
+# CONFIG_SCHED_SPORADIC is not set
 CONFIG_TASK_NAME_SIZE=31
 CONFIG_MAX_TASKS=64
 CONFIG_SCHED_HAVE_PARENT=y
@@ -287,6 +288,7 @@ CONFIG_DEV_NULL=y
 # CONFIG_VIDEO_DEVICES is not set
 # CONFIG_BCH is not set
 # CONFIG_INPUT is not set
+# CONFIG_IOEXPANDER is not set
 # CONFIG_LCD is not set
 # CONFIG_MMCSD is not set
 # CONFIG_MTD is not set
@@ -457,6 +459,8 @@ CONFIG_ARCH_LOWPUTC=y
 CONFIG_LIB_SENDFILE_BUFSIZE=512
 # CONFIG_ARCH_ROMGETC is not set
 # CONFIG_ARCH_OPTIMIZED_FUNCTIONS is not set
+# CONFIG_LIBC_NETDB is not set
+# CONFIG_NETDB_HOSTFILE is not set
 
 #
 # Non-standard Library Support
@@ -630,6 +634,7 @@ CONFIG_NSH_DISABLE_SHUTDOWN=y
 # CONFIG_NSH_DISABLE_SLEEP is not set
 # CONFIG_NSH_DISABLE_TEST is not set
 # CONFIG_NSH_DISABLE_UMOUNT is not set
+# CONFIG_NSH_DISABLE_UNAME is not set
 # CONFIG_NSH_DISABLE_UNSET is not set
 # CONFIG_NSH_DISABLE_USLEEP is not set
 # CONFIG_NSH_DISABLE_WGET is not set
@@ -691,6 +696,7 @@ CONFIG_NSH_CONSOLE=y
 # CONFIG_SYSTEM_RAMTEST is not set
 CONFIG_SYSTEM_READLINE=y
 CONFIG_READLINE_ECHO=y
+CONFIG_READLINE_TABCOMPLETION=y
 # CONFIG_SYSTEM_RAMTRON is not set
 # CONFIG_SYSTEM_SDCARD is not set
 # CONFIG_SYSTEM_SUDOKU is not set