diff --git a/include/llvm/ADT/ImmutableIntervalMap.h b/include/llvm/ADT/ImmutableIntervalMap.h
index d3196ca23df..0d8fcf34338 100644
--- a/include/llvm/ADT/ImmutableIntervalMap.h
+++ b/include/llvm/ADT/ImmutableIntervalMap.h
@@ -215,7 +215,7 @@ public:
 
     ImmutableIntervalMap add(ImmutableIntervalMap Old, 
                              key_type_ref K, data_type_ref D) {
-      TreeTy *T = F.add(Old.Root, std::make_pair<key_type, data_type>(K, D));
+      TreeTy *T = F.add(Old.Root, std::pair<key_type, data_type>(K, D));
       return ImmutableIntervalMap(F.getCanonicalTree(T));
     }
 
diff --git a/include/llvm/ADT/ImmutableMap.h b/include/llvm/ADT/ImmutableMap.h
index e439a099482..d6cce7ccfa0 100644
--- a/include/llvm/ADT/ImmutableMap.h
+++ b/include/llvm/ADT/ImmutableMap.h
@@ -108,7 +108,7 @@ public:
     ImmutableMap getEmptyMap() { return ImmutableMap(F.getEmptyTree()); }
 
     ImmutableMap add(ImmutableMap Old, key_type_ref K, data_type_ref D) {
-      TreeTy *T = F.add(Old.Root, std::make_pair<key_type,data_type>(K,D));
+      TreeTy *T = F.add(Old.Root, std::pair<key_type,data_type>(K,D));
       return ImmutableMap(Canonicalize ? F.getCanonicalTree(T): T);
     }