diff --git a/lib/AST/InheritViz.cpp b/lib/AST/InheritViz.cpp
index bf42967..323048c 100644
--- a/lib/AST/InheritViz.cpp
+++ b/lib/AST/InheritViz.cpp
@@ -149,8 +149,7 @@
 
   llvm::errs() << "Writing '" << Filename.c_str() << "'... ";
 
-  llvm::raw_fd_ostream O(Filename.c_str(), ErrMsg,
-                         raw_fd_ostream::F_Force);
+  llvm::raw_fd_ostream O(Filename.c_str(), ErrMsg);
 
   if (ErrMsg.empty()) {
     InheritanceHierarchyWriter Writer(Context, O);