diff --git a/src/common/expression/test/ExpressionContextMock.h b/src/common/expression/test/ExpressionContextMock.h
index c280de58ac4..fab7d557414 100644
--- a/src/common/expression/test/ExpressionContextMock.h
+++ b/src/common/expression/test/ExpressionContextMock.h
@@ -24,16 +24,7 @@ class ExpressionContextMock final : public ExpressionContext {
   }
 
   void setInnerVar(const std::string& var, Value val) override {
-    if (var == "xxx") {
-      if (vals_.empty()) {
-        vals_.emplace_back(val);
-        indices_[var] = vals_.size() - 1;
-      } else {
-        vals_[indices_[var]] = val;
-      }
-    } else {
-      exprValueMap_[var] = std::move(val);
-    }
+    exprValueMap_[var] = std::move(val);
   }
 
   const Value& getInnerVar(const std::string& var) const override {
@@ -152,7 +143,7 @@ class ExpressionContextMock final : public ExpressionContext {
 
   void setVar(const std::string& var, Value val) override {
     // used by tests of list comprehesion, predicate or reduce
-    if (var == "n" || var == "p" || var == "totalNum" || var == "v") {
+    if (var == "n" || var == "p" || var == "totalNum") {
       vals_.emplace_back(val);
       indices_[var] = vals_.size() - 1;
     }