diff --git a/be/test/vec/function/function_time_test.cpp b/be/test/vec/function/function_time_test.cpp
index d5ab7334a33a61..51058bbc92edad 100644
--- a/be/test/vec/function/function_time_test.cpp
+++ b/be/test/vec/function/function_time_test.cpp
@@ -1459,15 +1459,6 @@ TEST(VTimestampFunctionsTest, dayname_test) {
         static_cast<void>(check_function<DataTypeString, true>(func_name, input_types, data_set));
     }
 
-    {
-        InputTypeSet input_types = {TypeIndex::Date};
-
-        DataSet data_set = {{{std::string("2007-02-03")}, std::string("Saturday")},
-                            {{std::string("2020-01-00")}, Null()}};
-
-        static_cast<void>(check_function<DataTypeString, true>(func_name, input_types, data_set));
-    }
-
     {
         InputTypeSet input_types = {TypeIndex::DateTimeV2};