diff --git a/libs/ardour/audio_diskstream.cc b/libs/ardour/audio_diskstream.cc
index 18f0aea227..69daa6db89 100644
--- a/libs/ardour/audio_diskstream.cc
+++ b/libs/ardour/audio_diskstream.cc
@@ -1271,7 +1271,7 @@ AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer, framecn
 	// cerr << name () << " read samples = " << samples_to_read << " out of total space " << total_space << " in buffer of " << c->front()->playback_buf->bufsize() << " samples\n";
 
 	uint64_t before = g_get_monotonic_time ();
-	uint64_t elapsed;
+	// uint64_t elapsed;
 	
 	for (chan_n = 0, i = c->begin(); i != c->end(); ++i, ++chan_n) {
 
@@ -1352,7 +1352,7 @@ AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer, framecn
 
 	}
 
-	elapsed = g_get_monotonic_time () - before;
+	// elapsed = g_get_monotonic_time () - before;
 	// cerr << "\tbandwidth = " << (byte_size_for_read / 1048576.0) / (elapsed/1000000.0) << "MB/sec\n";
 		
 	file_frame = file_frame_tmp;