diff --git a/samples/subsys/zbus/msg_subscriber/prj.conf b/samples/subsys/zbus/msg_subscriber/prj.conf
index f24e55664ed..fa7aef24ba0 100644
--- a/samples/subsys/zbus/msg_subscriber/prj.conf
+++ b/samples/subsys/zbus/msg_subscriber/prj.conf
@@ -3,6 +3,7 @@ CONFIG_LOG_MODE_MINIMAL=y
 CONFIG_ASSERT=y
 CONFIG_BOOT_BANNER=n
 CONFIG_MAIN_THREAD_PRIORITY=3
+CONFIG_TIMESLICE_SIZE=0
 CONFIG_ZBUS=y
 CONFIG_ZBUS_LOG_LEVEL_INF=y
 CONFIG_ZBUS_CHANNEL_NAME=y
diff --git a/tests/integration/kernel/prj.conf b/tests/integration/kernel/prj.conf
index f8d48f84037..60709239366 100644
--- a/tests/integration/kernel/prj.conf
+++ b/tests/integration/kernel/prj.conf
@@ -1,2 +1,3 @@
 CONFIG_ZTEST=y
 CONFIG_MP_MAX_NUM_CPUS=1
+CONFIG_TIMESLICE_SIZE=0
diff --git a/tests/kernel/pipe/deprecated/pipe/prj.conf b/tests/kernel/pipe/deprecated/pipe/prj.conf
index 05f0c74d408..5b67871bd39 100644
--- a/tests/kernel/pipe/deprecated/pipe/prj.conf
+++ b/tests/kernel/pipe/deprecated/pipe/prj.conf
@@ -1,4 +1,5 @@
 CONFIG_ZTEST=y
 CONFIG_TEST_USERSPACE=y
 CONFIG_MP_MAX_NUM_CPUS=1
+CONFIG_TIMESLICE_SIZE=0
 CONFIG_PIPES=y
diff --git a/tests/kernel/semaphore/semaphore/prj.conf b/tests/kernel/semaphore/semaphore/prj.conf
index 1ae0b78bdbf..f17ff0ef069 100644
--- a/tests/kernel/semaphore/semaphore/prj.conf
+++ b/tests/kernel/semaphore/semaphore/prj.conf
@@ -3,3 +3,4 @@ CONFIG_IRQ_OFFLOAD=y
 CONFIG_TEST_USERSPACE=y
 CONFIG_ZTEST_FATAL_HOOK=y
 CONFIG_MAX_THREAD_BYTES=3
+CONFIG_TIMESLICE_SIZE=0