diff --git a/tests/army/tools/benchmark/basic/taosc_insert-mix.py b/tests/army/tools/benchmark/basic/taosc_insert-mix.py
index 85db88f35d..24b1d08e70 100644
--- a/tests/army/tools/benchmark/basic/taosc_insert-mix.py
+++ b/tests/army/tools/benchmark/basic/taosc_insert-mix.py
@@ -27,11 +27,6 @@ class TDTestCase(TBase):
         """
         taosBenchmark insert mix data
         """
-
-    @classmethod
-
-    @classmethod
-
     @classmethod
     def run(self):
         binPath = etool.benchMarkFile()