diff --git a/modules/swagger-codegen/src/main/resources/akka-scala/enumsSerializers.mustache b/modules/swagger-codegen/src/main/resources/akka-scala/enumsSerializers.mustache
index d9fcd1babbe..d234ad0f6ae 100644
--- a/modules/swagger-codegen/src/main/resources/akka-scala/enumsSerializers.mustache
+++ b/modules/swagger-codegen/src/main/resources/akka-scala/enumsSerializers.mustache
@@ -1,7 +1,9 @@
 {{>licenseInfo}}
 package {{apiPackage}}
 
+{{#models.length}}
 import {{modelPackage}}._
+{{/models.length}}
 import org.json4s._
 import scala.reflect.ClassTag