diff --git a/tests/kernel/common/testcase.yaml b/tests/kernel/common/testcase.yaml
index 721d4bb9c3d..7ed13606b86 100644
--- a/tests/kernel/common/testcase.yaml
+++ b/tests/kernel/common/testcase.yaml
@@ -20,7 +20,7 @@ tests:
     # Some configurations are known-incompliant and won't build
     filter: not ((CONFIG_I2C or CONFIG_SPI) and CONFIG_USERSPACE)
     integration_platforms:
-      - native_posix
+      - native_sim
     extra_configs:
       - CONFIG_MISRA_SANE=y
   kernel.common.minimallibc:
diff --git a/tests/kernel/device/testcase.yaml b/tests/kernel/device/testcase.yaml
index 40aee98fa57..931f2635d60 100644
--- a/tests/kernel/device/testcase.yaml
+++ b/tests/kernel/device/testcase.yaml
@@ -3,7 +3,7 @@ common:
     - device
     - userspace
   integration_platforms:
-    - native_posix
+    - native_sim
 tests:
   kernel.device:
     tags:
diff --git a/tests/kernel/timer/cycle64/testcase.yaml b/tests/kernel/timer/cycle64/testcase.yaml
index b050d8f1027..f1a65dbb00a 100644
--- a/tests/kernel/timer/cycle64/testcase.yaml
+++ b/tests/kernel/timer/cycle64/testcase.yaml
@@ -1,6 +1,6 @@
 # Note: Re: slow vs fast
 #
-# Some platforms such as native_posix, qemu_riscv32, qemu_riscv64
+# Some platforms such as native_sim, qemu_riscv32, qemu_riscv64
 # complete these tests almost instantaneously because of qemu timer
 # quirks ("time warp") even though the test reports that it completes
 # in e.g. 14 s. We can take advantage of that for fast tests on each PR