diff --git a/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp b/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp
index 365f6ab70de7..c410820139c5 100644
--- a/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp
+++ b/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp
@@ -99,9 +99,7 @@ void HTMLDiagnostics::ReportDiag(const PathDiagnostic& D,
   // Create the HTML directory if it is missing.
   if (!createdDir) {
     createdDir = true;
-    bool existed;
-    if (llvm::error_code ec =
-            llvm::sys::fs::create_directories(Directory, existed)) {
+    if (llvm::error_code ec = llvm::sys::fs::create_directories(Directory)) {
       llvm::errs() << "warning: could not create directory '"
                    << Directory << "': " << ec.message() << '\n';