diff --git a/test/std/containers/unord/unord.map/unord.map.modifiers/merge.pass.cpp b/test/std/containers/unord/unord.map/unord.map.modifiers/merge.pass.cpp
index 16fc85fd9..2d5e1843f 100644
--- a/test/std/containers/unord/unord.map/unord.map.modifiers/merge.pass.cpp
+++ b/test/std/containers/unord/unord.map/unord.map.modifiers/merge.pass.cpp
@@ -41,9 +41,6 @@ struct throw_hasher
 
     throw_hasher(bool& should_throw) : should_throw_(should_throw) {}
 
-    typedef size_t result_type;
-    typedef T argument_type;
-
     size_t operator()(const T& p) const
     {
         if (should_throw_)
@@ -99,8 +96,6 @@ int main()
     struct hasher
     {
         hasher() = default;
-        typedef Counter<int> argument_type;
-        typedef size_t result_type;
         size_t operator()(const Counter<int>& p) const
         {
             return std::hash<Counter<int>>()(p);
diff --git a/test/std/containers/unord/unord.multimap/unord.multimap.modifiers/merge.pass.cpp b/test/std/containers/unord/unord.multimap/unord.multimap.modifiers/merge.pass.cpp
index 5c75d7792..b7f61ca5a 100644
--- a/test/std/containers/unord/unord.multimap/unord.multimap.modifiers/merge.pass.cpp
+++ b/test/std/containers/unord/unord.multimap/unord.multimap.modifiers/merge.pass.cpp
@@ -41,9 +41,6 @@ struct throw_hasher
 
     throw_hasher(bool& should_throw) : should_throw_(should_throw) {}
 
-    typedef size_t result_type;
-    typedef T argument_type;
-
     size_t operator()(const T& p) const
     {
         if (should_throw_)
@@ -99,8 +96,6 @@ int main()
     struct hasher
     {
         hasher() = default;
-        typedef Counter<int> argument_type;
-        typedef size_t result_type;
         size_t operator()(const Counter<int>& p) const
         {
             return std::hash<Counter<int>>()(p);
diff --git a/test/std/containers/unord/unord.multiset/merge.pass.cpp b/test/std/containers/unord/unord.multiset/merge.pass.cpp
index abf8aa57d..7913f9564 100644
--- a/test/std/containers/unord/unord.multiset/merge.pass.cpp
+++ b/test/std/containers/unord/unord.multiset/merge.pass.cpp
@@ -41,9 +41,6 @@ struct throw_hasher
 
     throw_hasher(bool& should_throw) : should_throw_(should_throw) {}
 
-    typedef size_t result_type;
-    typedef T argument_type;
-
     size_t operator()(const T& p) const
     {
         if (should_throw_)
@@ -99,8 +96,6 @@ int main()
     struct hasher
     {
         hasher() = default;
-        typedef Counter<int> argument_type;
-        typedef size_t result_type;
         size_t operator()(const Counter<int>& p) const { return std::hash<Counter<int>>()(p); }
     };
     {
diff --git a/test/std/containers/unord/unord.set/merge.pass.cpp b/test/std/containers/unord/unord.set/merge.pass.cpp
index 973d2d93c..519d7f138 100644
--- a/test/std/containers/unord/unord.set/merge.pass.cpp
+++ b/test/std/containers/unord/unord.set/merge.pass.cpp
@@ -41,9 +41,6 @@ struct throw_hasher
 
     throw_hasher(bool& should_throw) : should_throw_(should_throw) {}
 
-    typedef size_t result_type;
-    typedef T argument_type;
-
     size_t operator()(const T& p) const
     {
         if (should_throw_)
@@ -99,8 +96,6 @@ int main()
     struct hasher
     {
         hasher() = default;
-        typedef Counter<int> argument_type;
-        typedef size_t result_type;
         size_t operator()(const Counter<int>& p) const { return std::hash<Counter<int>>()(p); }
     };
     {