1 files changed, 1 insertions, 1 deletions
diff --git a/test/files/pos/collections.scala b/test/files/pos/collections.scala
index 61a25528c7..23b23d016e 100644
--- a/test/files/pos/collections.scala
+++ b/test/files/pos/collections.scala
@@ -2,7 +2,7 @@ package mixins;
 
 import scala.collection.mutable._;
 
-class Collections extends HashSet[Int] with ObservableSet[Int,Collections] {
+class Collections extends HashSet[Int] with ObservableSet[Int] {
   override def +=(elem: Int): this.type = super.+=(elem);
   override def -=(elem: Int): this.type = super.-=(elem);
   override def clear: Unit = super.clear;