diff --git a/googletest/docs/advanced.md b/googletest/docs/advanced.md
index 0a92e52..3a097f1 100644
--- a/googletest/docs/advanced.md
+++ b/googletest/docs/advanced.md
@@ -572,7 +572,7 @@
 class Bar {  // We want googletest to be able to print instances of this.
 ...
   // Create a free inline friend function.
-  friend ::std::ostream& operator<<(::std::ostream& os, const Bar& bar) {
+  friend std::ostream& operator<<(std::ostream& os, const Bar& bar) {
     return os << bar.DebugString();  // whatever needed to print bar to os
   }
 };
@@ -580,7 +580,7 @@
 // If you can't declare the function in the class it's important that the
 // << operator is defined in the SAME namespace that defines Bar.  C++'s look-up
 // rules rely on that.
-::std::ostream& operator<<(::std::ostream& os, const Bar& bar) {
+std::ostream& operator<<(std::ostream& os, const Bar& bar) {
   return os << bar.DebugString();  // whatever needed to print bar to os
 }
 
@@ -601,7 +601,7 @@
 
 class Bar {
   ...
-  friend void PrintTo(const Bar& bar, ::std::ostream* os) {
+  friend void PrintTo(const Bar& bar, std::ostream* os) {
     *os << bar.DebugString();  // whatever needed to print bar to os
   }
 };
@@ -609,7 +609,7 @@
 // If you can't declare the function in the class it's important that PrintTo()
 // is defined in the SAME namespace that defines Bar.  C++'s look-up rules rely
 // on that.
-void PrintTo(const Bar& bar, ::std::ostream* os) {
+void PrintTo(const Bar& bar, std::ostream* os) {
   *os << bar.DebugString();  // whatever needed to print bar to os
 }
 
diff --git a/googletest/include/gtest/gtest-printers.h b/googletest/include/gtest/gtest-printers.h
index c67e30a..51865f8 100644
--- a/googletest/include/gtest/gtest-printers.h
+++ b/googletest/include/gtest/gtest-printers.h
@@ -978,12 +978,13 @@
   static const size_t tuple_size = ::std::tr1::tuple_size<Tuple>::value;
 
   template <size_t I>
-  struct tuple_element : ::std::tr1::tuple_element<I, Tuple> {};
+  struct tuple_element : ::std::tr1::tuple_element<static_cast<int>(I), Tuple> {
+  };
 
   template <size_t I>
-  static typename AddReference<
-      const typename ::std::tr1::tuple_element<I, Tuple>::type>::type get(
-      const Tuple& tuple) {
+  static typename AddReference<const typename ::std::tr1::tuple_element<
+      static_cast<int>(I), Tuple>::type>::type
+  get(const Tuple& tuple) {
     return ::std::tr1::get<I>(tuple);
   }
 };