diff --git a/tests/posix/common/testcase.yaml b/tests/posix/common/testcase.yaml
index 60f4ccbe8abda4..20c6cc81b5cfbb 100644
--- a/tests/posix/common/testcase.yaml
+++ b/tests/posix/common/testcase.yaml
@@ -6,22 +6,22 @@ common:
 
 tests:
   portability.posix.common:
-    platform_exclude: nsim_sem_mpu_stack_guard nsim_em_mpu_stack_guard
+    platform_exclude: nsim_sem_mpu_stack_guard nsim_em_mpu_stack_guard ehl_crb
     extra_configs:
       - CONFIG_NEWLIB_LIBC=n
   portability.posix.common.newlib:
-    platform_exclude: nsim_sem_mpu_stack_guard nsim_em_mpu_stack_guard
+    platform_exclude: nsim_sem_mpu_stack_guard nsim_em_mpu_stack_guard ehl_crb
     filter: TOOLCHAIN_HAS_NEWLIB == 1
     extra_configs:
       - CONFIG_NEWLIB_LIBC=y
   portability.posix.common.tls:
-    platform_exclude: nsim_sem_mpu_stack_guard nsim_em_mpu_stack_guard
+    platform_exclude: nsim_sem_mpu_stack_guard nsim_em_mpu_stack_guard ehl_crb
     filter: CONFIG_ARCH_HAS_THREAD_LOCAL_STORAGE and CONFIG_TOOLCHAIN_SUPPORTS_THREAD_LOCAL_STORAGE
     extra_configs:
       - CONFIG_NEWLIB_LIBC=n
       - CONFIG_THREAD_LOCAL_STORAGE=y
   portability.posix.common.tls.newlib:
-    platform_exclude: nsim_sem_mpu_stack_guard nsim_em_mpu_stack_guard
+    platform_exclude: nsim_sem_mpu_stack_guard nsim_em_mpu_stack_guard ehl_crb
     filter: TOOLCHAIN_HAS_NEWLIB == 1 and CONFIG_ARCH_HAS_THREAD_LOCAL_STORAGE and CONFIG_TOOLCHAIN_SUPPORTS_THREAD_LOCAL_STORAGE
     extra_configs:
       - CONFIG_NEWLIB_LIBC=y