diff --git a/CMakeLists.txt b/CMakeLists.txt
index d51529dcfe8..aa943e43789 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -219,9 +219,13 @@ if(NOT MSVC)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-private-field")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-inconsistent-missing-override")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-aligned-allocation-unavailable")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-c++14-extensions")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-constexpr-not-const")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-missing-braces")
   endif()
   if ((APPLE AND (NOT ("${CLANG_VERSION_STRING}" VERSION_LESS "9.0")))
-    OR (CMAKE_COMPILER_IS_GNUCXX AND (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0)))
+    OR (CMAKE_COMPILER_IS_GNUCXX 
+    AND (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0 AND NOT APPLE)))
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -faligned-new")
   endif()
   if ($ENV{WERROR})
diff --git a/caffe2/core/net_async_polling.h b/caffe2/core/net_async_polling.h
index 570d0ec9247..dc807bb04b0 100644
--- a/caffe2/core/net_async_polling.h
+++ b/caffe2/core/net_async_polling.h
@@ -37,7 +37,7 @@ class AsyncPollingNet : public AsyncNetBase {
 
   // Polling
   std::vector<EventStatus> status_;
-  void reset();
+  void reset() override;
   std::atomic<bool> has_chain_failed_;
 
   DISABLE_COPY_AND_ASSIGN(AsyncPollingNet);