diff --git a/tests/artifacts/scripts/generate-churning-bundle.py b/tests/artifacts/scripts/generate-churning-bundle.py
--- a/tests/artifacts/scripts/generate-churning-bundle.py
+++ b/tests/artifacts/scripts/generate-churning-bundle.py
@@ -42,7 +42,6 @@ MOVE_BACK_RANGE = 5
 FILENAME='SPARSE-REVLOG-TEST-FILE'
 NB_LINES = 10500
 ALWAYS_CHANGE_LINES = 500
-FILENAME = 'SPARSE-REVLOG-TEST-FILE'
 OTHER_CHANGES = 300
 
 def nextcontent(previous_content):