diff --git a/Modules/CMakeDetermineCompilerId.cmake b/Modules/CMakeDetermineCompilerId.cmake
index eb5481412..feae1c425 100644
--- a/Modules/CMakeDetermineCompilerId.cmake
+++ b/Modules/CMakeDetermineCompilerId.cmake
@@ -183,9 +183,6 @@ Id flags: ${testflags}
       set(v 6)
       set(ext dsp)
     endif()
-    if("${id_platform}" STREQUAL "Itanium")
-      set(id_platform ia64)
-    endif()
     if(CMAKE_VS_PLATFORM_TOOLSET)
       if(CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android")
         set(id_toolset "<NdkToolchainVersion>${CMAKE_VS_PLATFORM_TOOLSET}</NdkToolchainVersion>")