diff --git a/Release/include/cpprest/asyncrt_utils.h b/Release/include/cpprest/asyncrt_utils.h
index 3fbebd7d95..5978a2b051 100644
--- a/Release/include/cpprest/asyncrt_utils.h
+++ b/Release/include/cpprest/asyncrt_utils.h
@@ -356,7 +356,7 @@ namespace details
     /// Our own implementation of alpha numeric instead of std::isalnum to avoid
     /// taking global lock for performance reasons.
     /// </summary>
-    inline bool __cdecl is_alnum(const unsigned char uch) noexcept
+    inline bool __cdecl is_alnum(const unsigned char uch) CPPREST_NOEXCEPT
     {   // test if uch is an alnum character
         // special casing char to avoid branches
         static constexpr bool is_alnum_table[UCHAR_MAX + 1] =
@@ -379,7 +379,7 @@ namespace details
     /// Our own implementation of alpha numeric instead of std::isalnum to avoid
     /// taking global lock for performance reasons.
     /// </summary>
-    inline bool __cdecl is_alnum(const char ch) noexcept
+    inline bool __cdecl is_alnum(const char ch) CPPREST_NOEXCEPT
     {
         return (is_alnum(static_cast<unsigned char>(ch)));
     }
@@ -389,7 +389,7 @@ namespace details
     /// taking global lock for performance reasons.
     /// </summary>
     template<class Elem>
-    inline bool __cdecl is_alnum(Elem ch) noexcept
+    inline bool __cdecl is_alnum(Elem ch) CPPREST_NOEXCEPT
     {
         // assumes 'x' == L'x' for the ASCII range
         typedef typename std::make_unsigned<Elem>::type UElem;
diff --git a/Release/include/cpprest/http_headers.h b/Release/include/cpprest/http_headers.h
index 2bc1975acd..c2e35f6079 100644
--- a/Release/include/cpprest/http_headers.h
+++ b/Release/include/cpprest/http_headers.h
@@ -79,19 +79,19 @@ class http_headers
     /// <summary>
     /// STL-style typedefs
     /// </summary>
-    typedef typename inner_container::key_type key_type;
-    typedef typename inner_container::key_compare key_compare;
-    typedef typename inner_container::allocator_type allocator_type;
-    typedef typename inner_container::size_type size_type;
-    typedef typename inner_container::difference_type difference_type;
-    typedef typename inner_container::pointer pointer;
-    typedef typename inner_container::const_pointer const_pointer;
-    typedef typename inner_container::reference reference;
-    typedef typename inner_container::const_reference const_reference;
-    typedef typename inner_container::iterator iterator;
-    typedef typename inner_container::const_iterator const_iterator;
-    typedef typename inner_container::reverse_iterator reverse_iterator;
-    typedef typename inner_container::const_reverse_iterator const_reverse_iterator;
+    typedef inner_container::key_type key_type;
+    typedef inner_container::key_compare key_compare;
+    typedef inner_container::allocator_type allocator_type;
+    typedef inner_container::size_type size_type;
+    typedef inner_container::difference_type difference_type;
+    typedef inner_container::pointer pointer;
+    typedef inner_container::const_pointer const_pointer;
+    typedef inner_container::reference reference;
+    typedef inner_container::const_reference const_reference;
+    typedef inner_container::iterator iterator;
+    typedef inner_container::const_iterator const_iterator;
+    typedef inner_container::reverse_iterator reverse_iterator;
+    typedef inner_container::const_reverse_iterator const_reverse_iterator;
 
     /// <summary>
     /// Constructs an empty set of HTTP headers.