--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -191,15 +191,6 @@
   return _bzhi_u32(0, 1);
 }" SNAPPY_HAVE_BMI2)
 
-check_cxx_source_compiles("
-#include <arm_neon.h>
-int main() {
-  uint8_t val = 3, dup[8];
-  uint8x16_t v = vld1q_dup_u8(&val);
-  vst1q_u8(dup, v);
-  return 0;
-}" SNAPPY_HAVE_NEON)
-
 include(CheckSymbolExists)
 check_symbol_exists("mmap" "sys/mman.h" HAVE_FUNC_MMAP)
 check_symbol_exists("sysconf" "unistd.h" HAVE_FUNC_SYSCONF)