diff --git a/compiler-rt/cmake/config-ix.cmake b/compiler-rt/cmake/config-ix.cmake
index 5a0e29a685e4..d2b65b009d0b 100644
--- a/compiler-rt/cmake/config-ix.cmake
+++ b/compiler-rt/cmake/config-ix.cmake
@@ -354,6 +354,8 @@ if(APPLE)
       ${toolchain_arches})
     message(STATUS "OSX 10.4 supported arches: ${DARWIN_10.4_ARCHS}")
     if(DARWIN_10.4_ARCHS)
+      # don't include the Haswell slice in the 10.4 compatibility library
+      list(REMOVE_ITEM DARWIN_10.4_ARCHS x86_64h)
       list(APPEND BUILTIN_SUPPORTED_OS 10.4)
     endif()