diff --git a/activation.cpp b/activation.cpp
index 3d70811..b63853d 100755
--- a/activation.cpp
+++ b/activation.cpp
@@ -266,6 +266,11 @@
     return;
 }
 
+void Activation::delete_()
+{
+    parent.erase(versionId);
+}
+
 } // namespace updater
 } // namespace software
 } // namespace openpower