diff --git a/boards/arm/tiva/lm3s6965-ek/configs/qemu-flat/defconfig b/boards/arm/tiva/lm3s6965-ek/configs/qemu-flat/defconfig
index 490f0f9c681ab..0b9a51565e69a 100644
--- a/boards/arm/tiva/lm3s6965-ek/configs/qemu-flat/defconfig
+++ b/boards/arm/tiva/lm3s6965-ek/configs/qemu-flat/defconfig
@@ -62,7 +62,6 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_DISABLE_IFUPDOWN=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_FILE_APPS=y
-CONFIG_NSH_LINELEN=1000
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/bin"
 CONFIG_PREALLOC_TIMERS=4
diff --git a/boards/arm/tiva/lm3s6965-ek/configs/qemu-protected/defconfig b/boards/arm/tiva/lm3s6965-ek/configs/qemu-protected/defconfig
index 50afa89ae4c49..0f6dbfbc7e6c7 100644
--- a/boards/arm/tiva/lm3s6965-ek/configs/qemu-protected/defconfig
+++ b/boards/arm/tiva/lm3s6965-ek/configs/qemu-protected/defconfig
@@ -65,7 +65,6 @@ CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_DISABLE_IFUPDOWN=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_FILE_APPS=y
-CONFIG_NSH_LINELEN=1000
 CONFIG_NSH_READLINE=y
 CONFIG_NSH_SYMTAB=y
 CONFIG_NSH_SYMTAB_ARRAYNAME="g_symtab"