diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index d96aafcfd..7325c0b5f 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2015-02-26  Corinna Vinschen  <corinna@vinschen.de>
+
+	* posix_ipc.cc (ipc_mutex_lock): Revert unneeded call to signal handler.
+
 2015-02-26  Corinna Vinschen  <corinna@vinschen.de>
 
 	* posix_ipc.cc (ipc_mutex_lock): Add bool parameter to influence if
diff --git a/winsup/cygwin/posix_ipc.cc b/winsup/cygwin/posix_ipc.cc
index 5ae49ae50..ef05dbc1c 100644
--- a/winsup/cygwin/posix_ipc.cc
+++ b/winsup/cygwin/posix_ipc.cc
@@ -126,7 +126,6 @@ ipc_mutex_lock (HANDLE mtx, bool eintr)
     case WAIT_ABANDONED_0:
       return 0;
     case WAIT_SIGNALED:
-      _my_tls.call_signal_handler ();
       set_errno (EINTR);
       return 1;
     default: