1 files changed, 3 insertions, 2 deletions
diff --git a/include/lldb/Host/OptionParser.h b/include/lldb/Host/OptionParser.h
index 175a1973c7af..c2aeaf0430ea 100644
--- a/include/lldb/Host/OptionParser.h
+++ b/include/lldb/Host/OptionParser.h
@@ -10,8 +10,8 @@
 #ifndef liblldb_OptionParser_h_
 #define liblldb_OptionParser_h_
 
+#include <mutex>
 #include <string>
-#include "lldb/Host/Mutex.h"
 
 struct option;
 
@@ -39,7 +39,8 @@ public:
         eOptionalArgument
     };
 
-    static void Prepare(Mutex::Locker &locker);
+    static void
+    Prepare(std::unique_lock<std::mutex> &lock);
 
     static void EnableError(bool error);