1 files changed, 2 insertions, 2 deletions
diff --git a/src/library/scala/collection/DefaultMap.scala b/src/library/scala/collection/DefaultMap.scala
index d00414751a..d961bd84bb 100644
--- a/src/library/scala/collection/DefaultMap.scala
+++ b/src/library/scala/collection/DefaultMap.scala
@@ -27,7 +27,7 @@ import generic._
  *  @since 2.8
  */
 trait DefaultMap[A, +B] extends Map[A, B] { self =>
-
+  
   /** A default implementation which creates a new immutable map.
    */
   override def +[B1 >: B](kv: (A, B1)): Map[A, B1] = {
@@ -41,7 +41,7 @@ trait DefaultMap[A, +B] extends Map[A, B] { self =>
    */
   override def - (key: A): Map[A, B] = {
     val b = newBuilder
-    b ++= this filter (key != _)
+    b ++= this filter (key != _._1)
     b.result
   }
 }