diff --git a/llvm/include/llvm/Support/InitLLVM.h b/llvm/include/llvm/Support/InitLLVM.h
index 0fa9cb8bbc43e0..172d13bf21a558 100644
--- a/llvm/include/llvm/Support/InitLLVM.h
+++ b/llvm/include/llvm/Support/InitLLVM.h
@@ -9,7 +9,6 @@
 #ifndef LLVM_SUPPORT_INITLLVM_H
 #define LLVM_SUPPORT_INITLLVM_H
 
-#include "llvm/ADT/Optional.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/PrettyStackTrace.h"