diff --git a/Makefile b/Makefile
index fe27636d6..24b8862b5 100644
--- a/Makefile
+++ b/Makefile
@@ -77,7 +77,7 @@ py-test: ## Run python unit tests
 
 .PHONY: dead-code
 dead-code:
-	poetry run vulture ./app ./notifications_utils --min-confidence=60
+	poetry run vulture ./app ./notifications_utils --min-confidence=100
 
 .PHONY: e2e-test
 e2e-test: export NEW_RELIC_ENVIRONMENT=test