diff --git a/core/src/main/scala/ox/channels/SourceOps.scala b/core/src/main/scala/ox/channels/SourceOps.scala
index 183f664e..befda1bd 100644
--- a/core/src/main/scala/ox/channels/SourceOps.scala
+++ b/core/src/main/scala/ox/channels/SourceOps.scala
@@ -181,7 +181,7 @@ trait SourceOps[+T] { this: Source[T] =>
           s.acquire()
           receive() match
             case ChannelClosed.Done => false
-            case e @ ChannelClosed.Error(r) =>
+            case ChannelClosed.Error(r) =>
               c.error(r)
               false
             case t: T @unchecked =>
diff --git a/doc/adr/0001-error-propagation-in-channels.md b/doc/adr/0001-error-propagation-in-channels.md
index 264e648b..274d78d8 100644
--- a/doc/adr/0001-error-propagation-in-channels.md
+++ b/doc/adr/0001-error-propagation-in-channels.md
@@ -41,7 +41,7 @@ def mapParUnordered[U](parallelism: Int)(f: T => U)(using Ox, StageCapacity): So
         s.acquire()
         receive() match
           case ChannelClosed.Done => false
-          case e @ ChannelClosed.Error(r) =>              // (2)
+          case ChannelClosed.Error(r) =>              // (2)
             c.error(r)
             false
           case t: T @unchecked =>