diff --git a/llvm/include/llvm/Object/COFFModuleDefinition.h b/llvm/include/llvm/Object/COFFModuleDefinition.h
--- a/llvm/include/llvm/Object/COFFModuleDefinition.h
+++ b/llvm/include/llvm/Object/COFFModuleDefinition.h
@@ -39,9 +39,6 @@
   uint32_t MinorOSVersion = 0;
 };
 
-// mingw and wine def files do not mangle _ for x86 which
-// is a consequence of legacy binutils' dlltool functionality.
-// This MingwDef flag should be removed once mingw stops this pratice.
 Expected<COFFModuleDefinition>
 parseCOFFModuleDefinition(MemoryBufferRef MB, COFF::MachineTypes Machine,
                           bool MingwDef = false);