diff --git a/include/llvm/Support/Debug.h b/include/llvm/Support/Debug.h
index dc2c2888736..472364ba2fa 100644
--- a/include/llvm/Support/Debug.h
+++ b/include/llvm/Support/Debug.h
@@ -26,9 +26,6 @@
 #ifndef LLVM_SUPPORT_DEBUG_H
 #define LLVM_SUPPORT_DEBUG_H
 
-// Unsurprisingly, most users of this macro use std::cerr too.
-#include <iostream>
-
 namespace llvm {
 
 // DebugFlag - This boolean is set to true if the '-debug' command line option