diff --git a/include/NetworkInterface.h b/include/NetworkInterface.h
index 0e9a1f1f14..074efb134b 100644
--- a/include/NetworkInterface.h
+++ b/include/NetworkInterface.h
@@ -161,7 +161,6 @@ class NetworkInterface : public AlertableEntity {
   TimeseriesExporter *tsExporter;
   TimeseriesRing *ts_ring;
 
-  time_t lastFlowAggregation;
   TcpFlowStats tcpFlowStats;
   TcpPacketStats tcpPacketStats;
   ThroughputStats bytes_thpt, pkts_thpt;
diff --git a/src/NetworkInterface.cpp b/src/NetworkInterface.cpp
index 3016c7f896..67b8cf8c93 100644
--- a/src/NetworkInterface.cpp
+++ b/src/NetworkInterface.cpp
@@ -6880,7 +6880,6 @@ bool NetworkInterface::initFlowDump(u_int8_t num_dump_interfaces) {
 							 ntop->getPrefs()->get_max_num_flows());
 
 	  ntop->getPrefs()->enable_flow_aggregation();
-	  lastFlowAggregation = 0;
 	} else
 	  aggregated_flows_hash = NULL;
 #endif