1 files changed, 1 insertions, 4 deletions
diff --git a/gnuradio-examples/python/hier/networking/dial_tone_source.py b/gnuradio-examples/python/hier/networking/dial_tone_source.py
index f092097d94..835f9aafcb 100755
--- a/gnuradio-examples/python/hier/networking/dial_tone_source.py
+++ b/gnuradio-examples/python/hier/networking/dial_tone_source.py
@@ -61,12 +61,9 @@ if __name__ == '__main__':
     top_block = dial_tone_source(options.src_name, options.dst_name, options.dst_port,
                                  options.packet_size, options.sample_rate)
     
-    # Create an instance of a runtime, passing it the top block
-    runtime = gr.runtime(top_block)
-    
     try:    
         # Run forever
-        runtime.run()
+        top_block.run()
     except KeyboardInterrupt:
         # Ctrl-C exits
         pass