diff --git a/eval/eval/evaluator_core.cc b/eval/eval/evaluator_core.cc
index 253edbc71..b3e1b1ca0 100644
--- a/eval/eval/evaluator_core.cc
+++ b/eval/eval/evaluator_core.cc
@@ -187,7 +187,6 @@ FlatExpressionEvaluatorState FlatExpression::MakeEvaluatorState(
 absl::StatusOr<cel::Value> FlatExpression::EvaluateWithCallback(
     const cel::ActivationInterface& activation, EvaluationListener listener,
     FlatExpressionEvaluatorState& state) const {
-  state.Reset();
 
   ExecutionFrame frame(subexpressions_, activation, options_, state,
                        std::move(listener));