diff --git a/drivers/default/src/main/java/org/onosproject/driver/pipeline/PicaPipeline.java b/drivers/default/src/main/java/org/onosproject/driver/pipeline/PicaPipeline.java
index ef79ee3..57ef6ea 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/pipeline/PicaPipeline.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/pipeline/PicaPipeline.java
@@ -216,6 +216,11 @@
 
     }
 
+    @Override
+    public void purgeAll(ApplicationId appId) {
+        flowRuleService.purgeFlowRules(deviceId, appId);
+    }
+
     private Collection<FlowRule> processForward(ForwardingObjective fwd) {
         switch (fwd.flag()) {
             case SPECIFIC: