diff --git a/main.nf b/main.nf
index 5e2ff32..c10d335 100644
--- a/main.nf
+++ b/main.nf
@@ -15,8 +15,6 @@ process split_text {
 }
 
 process convert_to_upper {
-    tag "$y"
-
     input:
     path y