diff --git a/src/algorithms/signal_source/adapters/ion_gsms_signal_source.cc b/src/algorithms/signal_source/adapters/ion_gsms_signal_source.cc
index 5dde9915c..0a4f065ee 100644
--- a/src/algorithms/signal_source/adapters/ion_gsms_signal_source.cc
+++ b/src/algorithms/signal_source/adapters/ion_gsms_signal_source.cc
@@ -98,13 +98,9 @@ void IONGSMSSignalSource::connect(gr::top_block_sptr top_block)
 
 void IONGSMSSignalSource::disconnect(gr::top_block_sptr top_block)
 {
-    std::size_t cumulative_index = 0;
     for (const auto& source : sources_)
         {
-            for (std::size_t i = 0; i < source->output_stream_count(); ++i, ++cumulative_index)
-                {
-                    top_block->disconnect(source, i, copy_blocks_[cumulative_index], 0);
-                }
+            top_block->disconnect(source);
         }
 }