diff --git a/CMakeLists.txt b/CMakeLists.txt
index b4f66c1c..4b8a78a3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -99,7 +99,7 @@ else() # GCC or Clang are mostly compatible:
     add_compile_options(-Wall -Wformat-security -Wvla -Werror) 
     # Turn off certain warnings that are too much pain for too little gain:
     add_compile_options(-Wno-sign-compare -Wno-deprecated-declarations -Wno-error=cpp)
-    if (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR APPLE)
+    if (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
         add_compile_options(-msse4.2 -mpclmul)
     endif()
     # Options unique to Clang or GCC: