1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/criterion.scala b/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/criterion.scala
index dca107c..acf952d 100644
--- a/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/criterion.scala
+++ b/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/criterion.scala
@@ -10,7 +10,7 @@ object criterion {
   import DefaultJsonProtocol._
   import common._
 
-  implicit def criterionLabelWriter: RootJsonWriter[CriterionLabel] = new RootJsonWriter[CriterionLabel] {
+  implicit val criterionLabelWriter: RootJsonWriter[CriterionLabel] = new RootJsonWriter[CriterionLabel] {
     override def write(obj: CriterionLabel) = JsObject(
       "labelId"    -> obj.labelId.toJson,
       "categoryId" -> obj.categoryId.toJson,
@@ -104,7 +104,7 @@ object criterion {
     case _ => deserializationError(s"Expected Json Object as partial Criterion, but got $json")
   }
 
-  implicit def richCriterionFormat: RootJsonFormat[RichCriterion] = new RootJsonFormat[RichCriterion] {
+  implicit val richCriterionFormat: RootJsonFormat[RichCriterion] = new RootJsonFormat[RichCriterion] {
     override def write(obj: RichCriterion): JsValue =
       JsObject(
         "id"         -> obj.criterion.id.toJson,