diff --git a/src/OpenThreads/win32/CMakeLists.txt b/src/OpenThreads/win32/CMakeLists.txt
index ed92a8d60..414e90aa7 100644
--- a/src/OpenThreads/win32/CMakeLists.txt
+++ b/src/OpenThreads/win32/CMakeLists.txt
@@ -14,7 +14,6 @@ ADD_LIBRARY(${LIB_NAME}
     HandleHolder.h
     Win32BarrierPrivateData.h
     WIN32Condition.cpp
-    Win32Condition.h
     Win32ConditionPrivateData.h
     Win32Mutex.cpp
     Win32MutexPrivateData.h
diff --git a/src/OpenThreads/win32/OpenThreads.mak b/src/OpenThreads/win32/OpenThreads.mak
index 6880e1dc1..7fc3325cc 100644
--- a/src/OpenThreads/win32/OpenThreads.mak
+++ b/src/OpenThreads/win32/OpenThreads.mak
@@ -62,7 +62,6 @@ HEADER_FILES= \
 	../include/OpenThreads/ScopedLock \
 	../include/OpenThreads/Thread \
 	Win32BarrierPrivateData.h \
-	Win32Condition.h \
 	Win32ConditionPrivateData.h \
 	Win32MutexPrivateData.h \
 	Win32ThreadPrivateData.h \
diff --git a/src/OpenThreads/win32/Win32Condition.h b/src/OpenThreads/win32/Win32Condition.h
deleted file mode 100644
index 270a67e4f..000000000
--- a/src/OpenThreads/win32/Win32Condition.h
+++ /dev/null
@@ -1,125 +0,0 @@
-/* -*-c++-*- OpenThreads library, Copyright (C) 2002 - 2007  The Open Thread Group
- *
- * This library is open source and may be redistributed and/or modified under  
- * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
- * (at your option) any later version.  The full license is in LICENSE file
- * included with this distribution, and on the openscenegraph.org website.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
- * OpenSceneGraph Public License for more details.
-*/
-
-#ifndef _WIN32CONDITION_H_
-#define _WIN32CONDITION_H_
-
-#include "Mutex.h"
-
-namespace OpenThreads {
-
-class Win32ConditionImpl
-{
-public:
-    /// number of waiters.
-    long waiters_;
-
-    Condition(long max = 0L)
-    {
-        waiters_ = 0;
-        sema_ = CreateSemaphore(NULL,0,0x7fffffff,NULL);
-        waiters_done_ = CreateEvent(NULL,FALSE,FALSE,NULL);
-    }
-
-    ~Condition()
-    {
-    //    CloseHandle(sema_);
-    //    CloseHandle(waiters_done_);
-    }
-
-    inline int broadcast ()
-    {
-         waiters_lock_.lock();
-         int have_waiters = 0;
-
-        if (waiters_ > 0)
-        {
-          // We are broadcasting, even if there is just one waiter...
-          // Record the fact that we are broadcasting.  This helps the
-          // wait() method know how to optimize itself.  Be sure to
-          // set this with the <waiters_lock_> held.
-          was_broadcast_ = 1;
-          have_waiters = 1;
-        }
-        waiters_lock_.unlock();
-        
-        int result = 0;
-        if (have_waiters)
-        {
-            // Wake up all the waiters.
-            ReleaseSemaphore(sema_,waiters_,NULL);
-            WaitForSingleObject(waiters_done_,INFINITE) ;
-            // This is okay, even without the <waiters_lock_> held because
-            // no other waiter threads can wake up to access it.
-            was_broadcast_ = 0;
-        }
-        return result;
-    }
-
-    inline int wait (Mutex& external_mutex)
-    {
-        // Prevent race conditions on the <waiters_> count.
-        waiters_lock_.lock();
-        waiters_++;
-        waiters_lock_.unlock();
-        
-        int result = 0;
-        
-        external_mutex.unlock();
-        
-        DWORD dwResult = WaitForSingleObject(sema_,INFINITE);
-        if(dwResult != WAIT_OBJECT_0)
-            result = (int)dwResult;
-        
-        // Reacquire lock to avoid race conditions on the <waiters_> count.
-        waiters_lock_.lock();
-        
-        // We're ready to return, so there's one less waiter.
-        waiters_--;
-        
-        int last_waiter = was_broadcast_ && waiters_ == 0;
-        
-        // Release the lock so that other collaborating threads can make
-        // progress.
-        waiters_lock_.unlock();
-        
-        if (result != -1 && last_waiter)
-            SetEvent(waiters_done_);
-        
-        external_mutex.lock();
-        
-        return result;
-    }
-
-
-protected:
-
-  /// Serialize access to the waiters count.
-  Mutex waiters_lock_;
-
-  /// Queue up threads waiting for the condition to become signaled.
-  HANDLE sema_;
-  /**
-   * An auto reset event used by the broadcast/signal thread to wait
-   * for the waiting thread(s) to wake up and get a chance at the
-   * semaphore.
-   */
-  HANDLE waiters_done_;
-
-  /// Keeps track of whether we were broadcasting or just signaling.
-  size_t was_broadcast_;
-
-};
-
-}
-#endif