diff --git a/eng/native/tryrun.cmake b/eng/native/tryrun.cmake
index 2397f8dcc8f209..570e1e14221c23 100644
--- a/eng/native/tryrun.cmake
+++ b/eng/native/tryrun.cmake
@@ -77,7 +77,7 @@ if(DARWIN AND NOT DEFINED ANDROID_BUILD)
   else()
     message(FATAL_ERROR "Arch is ${TARGET_ARCH_NAME}. Only arm64 or x64 is supported for OSX cross build!")
   endif()
-elseif(DEFINED ANDROID_BUILD OR TARGET_ARCH_NAME MATCHES "^(armel|arm|armv6|arm64|loongarch64|riscv64|s390x|ppc64le|x86|x64)$" OR FREEBSD OR ILLUMOS OR TIZEN OR HAIKU)
+else()
   set_cache_value(HAS_POSIX_SEMAPHORES_EXITCODE 0)
   set_cache_value(HAVE_CLOCK_MONOTONIC_COARSE_EXITCODE 0)
   set_cache_value(HAVE_CLOCK_MONOTONIC_EXITCODE 0)
@@ -125,8 +125,6 @@ elseif(DEFINED ANDROID_BUILD OR TARGET_ARCH_NAME MATCHES "^(armel|arm|armv6|arm6
   elseif(ANDROID_BUILD)
     set_cache_value(ONE_SHARED_MAPPING_PER_FILEREGION_PER_PROCESS 0)
   endif()
-elseif(NOT WIN32)
-  message(FATAL_ERROR "Unsupported platform. OS: ${CMAKE_SYSTEM_NAME}, arch: ${TARGET_ARCH_NAME}")
 endif()
 
 if(TARGET_ARCH_NAME MATCHES "^(x86|x64|s390x|armv6|loongarch64|riscv64|ppc64le)$")