diff --git a/include/llvm/DefaultPasses.h b/include/llvm/DefaultPasses.h
index 2e4145b5ebb..929569d543d 100644
--- a/include/llvm/DefaultPasses.h
+++ b/include/llvm/DefaultPasses.h
@@ -14,6 +14,8 @@
 #ifndef LLVM_DEFAULT_PASS_SUPPORT_H
 #define LLVM_DEFAULT_PASS_SUPPORT_H
 
+#include <llvm/PassSupport.h>
+
 namespace llvm {
 
 class PassManagerBase;
diff --git a/include/llvm/PassAnalysisSupport.h b/include/llvm/PassAnalysisSupport.h
index fede1216c3c..5c6a2d7a92f 100644
--- a/include/llvm/PassAnalysisSupport.h
+++ b/include/llvm/PassAnalysisSupport.h
@@ -19,6 +19,7 @@
 #ifndef LLVM_PASS_ANALYSIS_SUPPORT_H
 #define LLVM_PASS_ANALYSIS_SUPPORT_H
 
+#include "llvm/Pass.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include <vector>