diff --git a/paddle/fluid/platform/flags.cc b/paddle/fluid/platform/flags.cc
index b2ade3d455b6c55bc79a2efc24301d1bb0e28c7c..e8800cedb376d91bee5276e6f030476fdac9f8be 100644
--- a/paddle/fluid/platform/flags.cc
+++ b/paddle/fluid/platform/flags.cc
@@ -1034,8 +1034,6 @@ PADDLE_DEFINE_EXPORTED_bool(
  * default=Predictor
  * Example:
  * Note:
- * FLAGS_jit_engine_type == Executor, using ExecutorEngine by default
- * FLAGS_jit_engine_type == PE, using PEEngine by default
  * FLAGS_jit_engine_type == New, using InterpreterEngine by default
  * FLAGS_jit_engine_type == Predictor, using inference Predictor by default
  */