diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index cc915c1d6..08907250f 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,11 @@
+2005-09-05  Corinna Vinschen  <corinna@vinschen.de>
+
+	* thread.h (pthread_mutex::get_pthread_self): Remove.
+	(pthread_mutex::lock): Use ::pthread_self as self parameter.
+	(pthread_mutex::trylock): Ditto.
+	(pthread_mutex::unlock): Ditto.
+	(pthread_mutex::destroy): Ditto.
+
 2005-09-02  Dave Korn  <dave.korn@artimi.com>
 
 	* Makefile.in (CXXFLAGS): Use 'override' to correctly set flags to
diff --git a/winsup/cygwin/thread.h b/winsup/cygwin/thread.h
index c15ded478..f8ab9da8b 100644
--- a/winsup/cygwin/thread.h
+++ b/winsup/cygwin/thread.h
@@ -301,27 +301,21 @@ public:
   int type;
   int pshared;
 
-  pthread_t get_pthread_self () const
-  {
-    return PTHREAD_MUTEX_NORMAL == type ? MUTEX_OWNER_ANONYMOUS :
-      ::pthread_self ();
-  }
-
   int lock ()
   {
-    return _lock (get_pthread_self ());
+    return _lock (::pthread_self ());
   }
   int trylock ()
   {
-    return _trylock (get_pthread_self ());
+    return _trylock (::pthread_self ());
   }
   int unlock ()
   {
-    return _unlock (get_pthread_self ());
+    return _unlock (::pthread_self ());
   }
   int destroy ()
   {
-    return _destroy (get_pthread_self ());
+    return _destroy (::pthread_self ());
   }
 
   void set_owner (pthread_t self)