diff --git a/tests/subsys/portability/cmsis_rtos_v2/prj.conf b/tests/subsys/portability/cmsis_rtos_v2/prj.conf
index 282d8c4ebcd..d8e93b74785 100644
--- a/tests/subsys/portability/cmsis_rtos_v2/prj.conf
+++ b/tests/subsys/portability/cmsis_rtos_v2/prj.conf
@@ -13,7 +13,6 @@ CONFIG_SCHED_SCALABLE=y
 CONFIG_CMSIS_V2_MEM_SLAB_MAX_DYNAMIC_SIZE=128
 CONFIG_CMSIS_V2_THREAD_MAX_COUNT=23
 CONFIG_CMSIS_V2_THREAD_DYNAMIC_MAX_COUNT=10
-CONFIG_TIMEOUT_64BIT=n
 CONFIG_CMSIS_V2_THREAD_MAX_STACK_SIZE=1024
 CONFIG_CMSIS_V2_THREAD_DYNAMIC_STACK_SIZE=1024
 CONFIG_MP_MAX_NUM_CPUS=1