diff --git a/support/tools/TableGen/CodeEmitterGen.cpp b/support/tools/TableGen/CodeEmitterGen.cpp
index 293d1ae5684..c32fd4b5e21 100644
--- a/support/tools/TableGen/CodeEmitterGen.cpp
+++ b/support/tools/TableGen/CodeEmitterGen.cpp
@@ -1,6 +1,5 @@
 #include "Record.h"
 #include "CodeEmitterGen.h"
-#include <ostream>
 
 void CodeEmitterGen::createEmitter(std::ostream &o) {
   std::vector<Record*> Insts;
diff --git a/support/tools/TableGen/CodeEmitterGen.h b/support/tools/TableGen/CodeEmitterGen.h
index 18ebcd4bd4d..098816a1442 100644
--- a/support/tools/TableGen/CodeEmitterGen.h
+++ b/support/tools/TableGen/CodeEmitterGen.h
@@ -7,7 +7,7 @@
 #define CODEMITTERGEN_H
 
 #include "Record.h"
-#include <ostream>
+#include <iostream>
 
 struct CodeEmitterGen {
   RecordKeeper &Records;
diff --git a/utils/TableGen/CodeEmitterGen.cpp b/utils/TableGen/CodeEmitterGen.cpp
index 293d1ae5684..c32fd4b5e21 100644
--- a/utils/TableGen/CodeEmitterGen.cpp
+++ b/utils/TableGen/CodeEmitterGen.cpp
@@ -1,6 +1,5 @@
 #include "Record.h"
 #include "CodeEmitterGen.h"
-#include <ostream>
 
 void CodeEmitterGen::createEmitter(std::ostream &o) {
   std::vector<Record*> Insts;
diff --git a/utils/TableGen/CodeEmitterGen.h b/utils/TableGen/CodeEmitterGen.h
index 18ebcd4bd4d..098816a1442 100644
--- a/utils/TableGen/CodeEmitterGen.h
+++ b/utils/TableGen/CodeEmitterGen.h
@@ -7,7 +7,7 @@
 #define CODEMITTERGEN_H
 
 #include "Record.h"
-#include <ostream>
+#include <iostream>
 
 struct CodeEmitterGen {
   RecordKeeper &Records;