diff --git a/boards/risc-v/qemu-rv/rv-virt/configs/nsh/defconfig b/boards/risc-v/qemu-rv/rv-virt/configs/nsh/defconfig
index 4aa6358ebd..2cfe94289b 100644
--- a/boards/risc-v/qemu-rv/rv-virt/configs/nsh/defconfig
+++ b/boards/risc-v/qemu-rv/rv-virt/configs/nsh/defconfig
@@ -32,7 +32,7 @@ CONFIG_DEBUG_FULLOPT=y
 CONFIG_DEBUG_SYMBOLS=y
 CONFIG_DEV_ZERO=y
 CONFIG_ELF=y
-CONFIG_EXAMPLES_HELLO=m
+CONFIG_EXAMPLES_HELLO=y
 CONFIG_FS_HOSTFS=y
 CONFIG_FS_PROCFS=y
 CONFIG_IDLETHREAD_STACKSIZE=2048
@@ -42,13 +42,12 @@ CONFIG_LIBC_ENVPATH=y
 CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LIBC_PERROR_STDOUT=y
 CONFIG_LIBC_STRERROR=y
+CONFIG_LIBM=y
 CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_READLINE=y
-CONFIG_NSH_SYMTAB=y
-CONFIG_NSH_SYMTAB_ARRAYNAME="g_symtab"
 CONFIG_PATH_INITIAL="/system/bin"
 CONFIG_RAM_SIZE=33554432
 CONFIG_RAM_START=0x80000000
diff --git a/boards/risc-v/qemu-rv/rv-virt/configs/nsh64/defconfig b/boards/risc-v/qemu-rv/rv-virt/configs/nsh64/defconfig
index 37cd640d5f..b094543439 100644
--- a/boards/risc-v/qemu-rv/rv-virt/configs/nsh64/defconfig
+++ b/boards/risc-v/qemu-rv/rv-virt/configs/nsh64/defconfig
@@ -45,14 +45,12 @@ CONFIG_LIBC_ENVPATH=y
 CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LIBC_PERROR_STDOUT=y
 CONFIG_LIBC_STRERROR=y
+CONFIG_LIBM=y
 CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_READLINE=y
-CONFIG_NSH_SYMTAB=y
-CONFIG_NSH_SYMTAB_ARRAYNAME="g_symtab"
-CONFIG_NSH_SYMTAB_COUNTNAME="g_nsymbols"
 CONFIG_PATH_INITIAL="/system/bin"
 CONFIG_RAM_SIZE=33554432
 CONFIG_RAM_START=0x80000000