diff --git a/boards/sim/sim/sim/configs/loadable/defconfig b/boards/sim/sim/sim/configs/loadable/defconfig
index 4b35a8043e0..dc0a0d84ba6 100644
--- a/boards/sim/sim/sim/configs/loadable/defconfig
+++ b/boards/sim/sim/sim/configs/loadable/defconfig
@@ -49,5 +49,4 @@ CONFIG_SIM_WALLTIME=y
 CONFIG_START_MONTH=6
 CONFIG_START_YEAR=2008
 CONFIG_SYSTEM_NSH=m
-CONFIG_USERMAIN_STACKSIZE=4096
 CONFIG_USER_INITPATH="/system/bin/nsh"