diff --git a/include/llvm/CodeGen/MappingInfo.h b/include/llvm/CodeGen/MappingInfo.h
deleted file mode 100644
index aa8efaf893e..00000000000
--- a/include/llvm/CodeGen/MappingInfo.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef LLVM_CODEGEN_MAPPINGINFO_H
-#define LLVM_CODEGEN_MAPPINGINFO_H
-
-#include <iosfwd>
-class Pass;
-
-Pass *MappingInfoForFunction(std::ostream &out);
-
-#endif
-
-