diff --git a/boards/arm/imxrt/teensy-4.x/configs/pikron-bb/defconfig b/boards/arm/imxrt/teensy-4.x/configs/pikron-bb/defconfig
index 2abd15ff35..de4e35f89b 100644
--- a/boards/arm/imxrt/teensy-4.x/configs/pikron-bb/defconfig
+++ b/boards/arm/imxrt/teensy-4.x/configs/pikron-bb/defconfig
@@ -128,8 +128,9 @@ CONFIG_RAM_START=0x20200000
 CONFIG_READLINE_CMD_HISTORY=y
 CONFIG_RR_INTERVAL=10
 CONFIG_SCHED_CPULOAD=y
-CONFIG_SCHED_CPULOAD_EXTCLK=y
 CONFIG_SCHED_LPWORK=y
+CONFIG_SCHED_TICKLESS=y
+CONFIG_SCHED_TICKLESS_ALARM=y
 CONFIG_SCHED_USER_IDENTITY=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_SERIAL_TERMIOS=y
@@ -146,5 +147,6 @@ CONFIG_SYSTEM_PING6=y
 CONFIG_SYSTEM_PING=y
 CONFIG_SYSTEM_TEE=y
 CONFIG_TEENSY_41=y
+CONFIG_USEC_PER_TICK=10
 CONFIG_USER_ENTRYPOINT="nsh_main"
 CONFIG_VIDEO_FB=y