diff --git a/include/experimental/optional b/include/experimental/optional
index ba06972a1..f32941b1a 100644
--- a/include/experimental/optional
+++ b/include/experimental/optional
@@ -152,7 +152,7 @@ public:
 	bad_optional_access() : std::logic_error("Bad optional Access") {}
 
 //	Get the key function ~bad_optional_access() into the dylib
-    virtual ~bad_optional_access();
+    virtual ~bad_optional_access() _NOEXCEPT;
 };
 
 _LIBCPP_END_NAMESPACE_EXPERIMENTAL
diff --git a/include/optional b/include/optional
index ff3e929e1..180f63ffc 100644
--- a/include/optional
+++ b/include/optional
@@ -164,7 +164,7 @@ class _LIBCPP_EXCEPTION_ABI bad_optional_access
 {
 public:
     // Get the key function ~bad_optional_access() into the dylib
-    virtual ~bad_optional_access();
+    virtual ~bad_optional_access() _NOEXCEPT;
     virtual const char* what() const _NOEXCEPT;
 };
 
diff --git a/src/optional.cpp b/src/optional.cpp
index baee026ac..2877d175b 100644
--- a/src/optional.cpp
+++ b/src/optional.cpp
@@ -13,7 +13,7 @@
 namespace std
 {
 
-bad_optional_access::~bad_optional_access() = default;
+bad_optional_access::~bad_optional_access() _NOEXCEPT = default;
 
 const char* bad_optional_access::what() const _NOEXCEPT {
   return "bad_optional_access";
@@ -23,6 +23,6 @@ const char* bad_optional_access::what() const _NOEXCEPT {
 
 _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL
 
-bad_optional_access::~bad_optional_access() = default;
+bad_optional_access::~bad_optional_access() _NOEXCEPT = default;
 
 _LIBCPP_END_NAMESPACE_EXPERIMENTAL