diff --git a/node/src/main/kotlin/net/corda/node/internal/AbstractNode.kt b/node/src/main/kotlin/net/corda/node/internal/AbstractNode.kt
index 8a0b1c32030..755913f54b4 100644
--- a/node/src/main/kotlin/net/corda/node/internal/AbstractNode.kt
+++ b/node/src/main/kotlin/net/corda/node/internal/AbstractNode.kt
@@ -110,6 +110,7 @@ import net.corda.node.services.persistence.NodeAttachmentService
 import net.corda.node.services.persistence.NodePropertiesPersistentStore
 import net.corda.node.services.schema.HibernateObserver
 import net.corda.node.services.schema.NodeSchemaService
+import net.corda.node.services.statemachine.ExternalEvent
 import net.corda.node.services.statemachine.FlowLogicRefFactoryImpl
 import net.corda.node.services.statemachine.SingleThreadedStateMachineManager
 import net.corda.node.services.statemachine.StateMachineManager