diff --git a/boards/sim/sim/sim/configs/matter/defconfig b/boards/sim/sim/sim/configs/matter/defconfig
index 6b1ed0b577..ceb5f995f5 100644
--- a/boards/sim/sim/sim/configs/matter/defconfig
+++ b/boards/sim/sim/sim/configs/matter/defconfig
@@ -110,7 +110,6 @@ CONFIG_SCHED_HAVE_PARENT=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_SIM_HCISOCKET=y
 CONFIG_SIM_HOSTFS=y
-CONFIG_SIM_M32=y
 CONFIG_SIM_NETDEV=y
 CONFIG_SIM_NET_BRIDGE=y
 CONFIG_SIM_WALLTIME_SIGNAL=y