diff --git a/test/tc_axlsx.rb b/test/tc_axlsx.rb
index 63b17f74..99832f63 100644
--- a/test/tc_axlsx.rb
+++ b/test/tc_axlsx.rb
@@ -49,9 +49,9 @@ def test_cell_range_row
     p = Axlsx::Package.new
     ws = p.workbook.add_worksheet
     row = ws.add_row
-    c1 = row.add_cell
-    c2 = row.add_cell
-    c3 = row.add_cell
+    row.add_cell
+    row.add_cell
+    row.add_cell
     assert_equal("A1:C1", Axlsx.cell_range(row, false))
   end