diff --git a/lib/go/camli/blobserver/handlers/enumerate.go b/lib/go/camli/blobserver/handlers/enumerate.go
index 08ec53941..422b06ca2 100644
--- a/lib/go/camli/blobserver/handlers/enumerate.go
+++ b/lib/go/camli/blobserver/handlers/enumerate.go
@@ -122,8 +122,6 @@ func handleEnumerateBlobs(conn http.ResponseWriter, req *http.Request, storage b
 		case err := <-resultch:
 			if err != nil {
 				log.Printf("Error during enumerate: %v", err)
-				close(blobch)   // TODO: necessary?
-				close(resultch) // TODO: necessary?
 				fmt.Fprintf(conn, "{{{ SERVER ERROR }}}")
 				return
 			}