diff --git a/logprep/processor/grokker/processor.py b/logprep/processor/grokker/processor.py
index cf7a5e32d..654a1f8f1 100644
--- a/logprep/processor/grokker/processor.py
+++ b/logprep/processor/grokker/processor.py
@@ -65,7 +65,6 @@ class Config(FieldManager.Config):
         """
 
     def _apply_rules(self, event: dict, rule: GrokkerRule):
-        conflicting_fields = []
         matches = []
         source_values = []
         for dotted_field, grok in rule.actions.items():