1 files changed, 2 insertions, 1 deletions

diff --git a/framework/src/onos/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProvider.java b/framework/src/onos/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProvider.java
index e69fd6b9..6c646d0d 100644
--- a/framework/src/onos/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProvider.java
+++ b/framework/src/onos/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProvider.java
@@ -128,7 +128,8 @@ public class OpenFlowGroupProvider extends AbstractProvider implements GroupProv
     public void deactivate() {
         providerRegistry.unregister(this);
         providerService = null;
-
+        collectors.values().forEach(GroupStatsCollector::stop);
+        collectors.clear();
         log.info("Stopped");
     }