diff --git a/src/OpenThreads/win32/Win32Mutex.cpp b/src/OpenThreads/win32/Win32Mutex.cpp
index 7fa75b607..81af208bf 100644
--- a/src/OpenThreads/win32/Win32Mutex.cpp
+++ b/src/OpenThreads/win32/Win32Mutex.cpp
@@ -93,7 +93,6 @@ Mutex::Mutex() {
 // Use: public.
 //
 Mutex::~Mutex() {
-    unlock();
     delete static_cast<Win32MutexPrivateData*>(_prvData);
 }
 //----------------------------------------------------------------------------