diff --git a/app/models/block/statistics.rb b/app/models/block/statistics.rb
index 2b0cf29224..88924130c4 100644
--- a/app/models/block/statistics.rb
+++ b/app/models/block/statistics.rb
@@ -51,10 +51,6 @@ def rows
       rows
     end
 
-    def row_header
-      CSV.read(csv_file_path, headers: true).headers
-    end
-
     def csv_rows
       CSV.read(csv_file_path, headers: true).map(&:to_h)
     end