diff --git a/tests/lib/c_lib/thrd/testcase.yaml b/tests/lib/c_lib/thrd/testcase.yaml
index ecba688407f..a1f79c8cfdf 100644
--- a/tests/lib/c_lib/thrd/testcase.yaml
+++ b/tests/lib/c_lib/thrd/testcase.yaml
@@ -6,7 +6,7 @@ common:
     - qemu_x86
   platform_exclude:
     - native_posix
-    - native_posix_64
+    - native_posix/native/64
 tests:
   libraries.libc.c11_threads.minimal:
     tags: minimal_libc
diff --git a/tests/lib/cpp/libcxx/testcase.yaml b/tests/lib/cpp/libcxx/testcase.yaml
index fdf0318ebd2..f9ddf58679d 100644
--- a/tests/lib/cpp/libcxx/testcase.yaml
+++ b/tests/lib/cpp/libcxx/testcase.yaml
@@ -49,4 +49,4 @@ tests:
       - CONFIG_CPP_EXCEPTIONS=y
     integration_platforms:
       - native_sim
-      - native_sim_64
+      - native_sim/native/64
diff --git a/tests/lib/gui/lvgl/testcase.yaml b/tests/lib/gui/lvgl/testcase.yaml
index fca009d9113..f878a4c4363 100644
--- a/tests/lib/gui/lvgl/testcase.yaml
+++ b/tests/lib/gui/lvgl/testcase.yaml
@@ -3,8 +3,8 @@ common:
     - display
     - gui
   platform_allow:
-    - native_posix_64
-    - native_sim_64
+    - native_posix/native/64
+    - native_sim/native/64
     - native_sim
   integration_platforms:
     - native_sim
diff --git a/tests/lib/hash_map/Kconfig b/tests/lib/hash_map/Kconfig
index 85ef6993151..421670a1cae 100644
--- a/tests/lib/hash_map/Kconfig
+++ b/tests/lib/hash_map/Kconfig
@@ -18,7 +18,7 @@ config TEST_LIB_HASH_MAP_MAX_ENTRIES
 
 	  CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE
 
-	  For native_posix_64, the number of entries can be configured
+	  For native_sim, the number of entries can be configured
 	  independently of the arena size since the native libc is used.
 
 source "Kconfig.zephyr"
diff --git a/tests/lib/ringbuffer/testcase.yaml b/tests/lib/ringbuffer/testcase.yaml
index 851735384f5..2733ffe3f76 100644
--- a/tests/lib/ringbuffer/testcase.yaml
+++ b/tests/lib/ringbuffer/testcase.yaml
@@ -8,7 +8,7 @@ tests:
   libraries.ring_buffer:
     integration_platforms:
       - native_sim
-      - native_sim_64
+      - native_sim/native/64
 
   libraries.ring_buffer.concurrent:
     platform_allow: qemu_x86
diff --git a/tests/lib/time/testcase.yaml b/tests/lib/time/testcase.yaml
index 9b002ace2d9..bf949559f03 100644
--- a/tests/lib/time/testcase.yaml
+++ b/tests/lib/time/testcase.yaml
@@ -6,4 +6,4 @@ tests:
       - mps2/an385
     platform_exclude:
       - native_posix
-      - native_posix_64
+      - native_posix/native/64