diff --git a/include/llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h b/include/llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h
index 79e8306cfd9..31eb1430943 100644
--- a/include/llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h
+++ b/include/llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h
@@ -18,6 +18,7 @@
 #include "IndirectionUtils.h"
 #include "LookasideRTDyldMM.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/ExecutionEngine/SectionMemoryManager.h"
 #include <list>
 
 namespace llvm {
diff --git a/include/llvm/ExecutionEngine/Orc/IRCompileLayer.h b/include/llvm/ExecutionEngine/Orc/IRCompileLayer.h
index 6a7ae15c6aa..3076c12089a 100644
--- a/include/llvm/ExecutionEngine/Orc/IRCompileLayer.h
+++ b/include/llvm/ExecutionEngine/Orc/IRCompileLayer.h
@@ -15,6 +15,7 @@
 #define LLVM_EXECUTIONENGINE_ORC_IRCOMPILELAYER_H
 
 #include "llvm/ExecutionEngine/ObjectCache.h"
+#include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
 #include "llvm/Object/ObjectFile.h"
 #include <memory>
 
diff --git a/include/llvm/ExecutionEngine/Orc/LazyEmittingLayer.h b/include/llvm/ExecutionEngine/Orc/LazyEmittingLayer.h
index 6b625e5e89d..428a263e202 100644
--- a/include/llvm/ExecutionEngine/Orc/LazyEmittingLayer.h
+++ b/include/llvm/ExecutionEngine/Orc/LazyEmittingLayer.h
@@ -15,6 +15,8 @@
 #define LLVM_EXECUTIONENGINE_ORC_LAZYEMITTINGLAYER_H
 
 #include "LookasideRTDyldMM.h"
+#include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
+#include "llvm/IR/GlobalValue.h"
 #include "llvm/IR/Mangler.h"
 #include <list>