diff --git a/include/llvm/TextAPI/MachO/TextAPIReader.h b/include/llvm/TextAPI/MachO/TextAPIReader.h
index c551f0454e8..889b8aad0e9 100644
--- a/include/llvm/TextAPI/MachO/TextAPIReader.h
+++ b/include/llvm/TextAPI/MachO/TextAPIReader.h
@@ -10,9 +10,11 @@
 #define LLVM_TEXTAPI_MACHO_READER_H
 
 #include "llvm/Support/Error.h"
-#include "llvm/Support/MemoryBuffer.h"
 
 namespace llvm {
+
+class MemoryBufferRef;
+
 namespace MachO {
 
 class InterfaceFile;