diff --git a/cmake/osdetection.cmake b/cmake/osdetection.cmake
index 96083baf..5a8a5326 100644
--- a/cmake/osdetection.cmake
+++ b/cmake/osdetection.cmake
@@ -41,11 +41,6 @@ if (FAT_RUNTIME)
         if (NOT (CMAKE_GENERATOR MATCHES "Unix Makefiles" OR
             (CMAKE_VERSION VERSION_GREATER "3.0" AND CMAKE_GENERATOR MATCHES "Ninja")))
             message (FATAL_ERROR "Building the fat runtime requires the Unix Makefiles generator, or Ninja with CMake v3.0 or higher")
-        else()
-            include (${CMAKE_MODULE_PATH}/attrib.cmake)
-            if (NOT HAS_C_ATTR_IFUNC)
-                message(FATAL_ERROR "Compiler does not support ifunc attribute, cannot build fat runtime")
-            endif()
         endif()
     endif()
     if (NOT RELEASE_BUILD)