diff --git a/src/main/java/org/onosproject/igmp/IgmpSnoop.java b/src/main/java/org/onosproject/igmp/IgmpSnoop.java
index f0e11cc..58e5826 100644
--- a/src/main/java/org/onosproject/igmp/IgmpSnoop.java
+++ b/src/main/java/org/onosproject/igmp/IgmpSnoop.java
@@ -528,7 +528,10 @@
                 case CONFIG_REMOVED:
                     if (event.configClass().equals(SSM_TRANSLATE_CONFIG_CLASS)) {
                         ssmTranslateTable.clear();
+                    } else if (event.configClass().equals(CONFIG_CLASS)) {
+                        oltData.remove(event.subject());
                     }
+
                 default:
                     break;
             }