diff --git a/llvm/tools/llvm-xray/llvm-xray.cc b/llvm/tools/llvm-xray/llvm-xray.cc
index ab59a32e2333..ac5faaa408b5 100644
--- a/llvm/tools/llvm-xray/llvm-xray.cc
+++ b/llvm/tools/llvm-xray/llvm-xray.cc
@@ -20,7 +20,6 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/raw_ostream.h"
-#include <unistd.h>
 
 using namespace llvm;
 using namespace llvm::xray;