diff --git a/clang/cmake/caches/Fuchsia-stage2.cmake b/clang/cmake/caches/Fuchsia-stage2.cmake
--- a/clang/cmake/caches/Fuchsia-stage2.cmake
+++ b/clang/cmake/caches/Fuchsia-stage2.cmake
@@ -224,7 +224,6 @@
   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan_LLVM_USE_SANITIZER "HWAddress" CACHE STRING "")
   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan_LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "")
   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan_LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "")
-  set(RUNTIMES_aarch64-unknown-fuchsia+hwasan_CMAKE_CXX_FLAGS "${FUCHSIA_aarch64-unknown-fuchsia_COMPILER_FLAGS} -mllvm --hwasan-globals=0" CACHE STRING "")
 
   # HWASan+noexcept
   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan+noexcept_LLVM_BUILD_COMPILER_RT OFF CACHE BOOL "")
@@ -233,7 +232,6 @@
   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan+noexcept_LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "")
   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan+noexcept_LIBCXXABI_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
   set(RUNTIMES_aarch64-unknown-fuchsia+hwasan+noexcept_LIBCXX_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
-  set(RUNTIMES_aarch64-unknown-fuchsia+hwasan+noexcept_CMAKE_CXX_FLAGS "${FUCHSIA_aarch64-unknown-fuchsia_COMPILER_FLAGS} -mllvm --hwasan-globals=0" CACHE STRING "")
 
   set(LLVM_RUNTIME_MULTILIBS "asan;noexcept;compat;asan+noexcept;hwasan;hwasan+noexcept" CACHE STRING "")