diff --git a/be/src/exec/exec_node.cpp b/be/src/exec/exec_node.cpp
index e0c85d9816..cf21e7ae91 100644
--- a/be/src/exec/exec_node.cpp
+++ b/be/src/exec/exec_node.cpp
@@ -403,13 +403,6 @@ Status ExecNode::create_node(RuntimeState* state, ObjectPool* pool, const TPlanN
         return Status::OK();
 
     case TPlanNodeType::HASH_JOIN_NODE:
-        if (!tnode.hash_join_node.__isset.vintermediate_tuple_id_list) {
-            // in progress of upgrading from 1.1-lts to 1.2-lts
-            error_msg << "In progress of upgrading from 1.1-lts to 1.2-lts, vectorized hash "
-                         "join cannot be executed, you can switch to non-vectorized engine by "
-                         "'set global enable_vectorized_engine = false'";
-            return Status::InternalError(error_msg.str());
-        }
         *node = pool->add(new vectorized::HashJoinNode(pool, tnode, descs));
         return Status::OK();
 
diff --git a/be/src/pipeline/pipeline_fragment_context.cpp b/be/src/pipeline/pipeline_fragment_context.cpp
index 52fb8d2175..51aac3c7a7 100644
--- a/be/src/pipeline/pipeline_fragment_context.cpp
+++ b/be/src/pipeline/pipeline_fragment_context.cpp
@@ -166,12 +166,6 @@ Status PipelineFragmentContext::prepare(const doris::TExecPlanFragmentParams& re
             .tag("backend_num", request.backend_num)
             .tag("pthread_id", (uintptr_t)pthread_self());
 
-    // Must be vec exec engine
-    if (!request.query_options.__isset.enable_vectorized_engine ||
-        !request.query_options.enable_vectorized_engine) {
-        return Status::InternalError("should set enable_vectorized_engine to true");
-    }
-
     // 1. init _runtime_state
     _runtime_state = std::make_unique<RuntimeState>(params, request.query_options,
                                                     _query_ctx->query_globals, _exec_env);
diff --git a/be/src/vec/exprs/vectorized_fn_call.cpp b/be/src/vec/exprs/vectorized_fn_call.cpp
index dc5d0c1eec..465b0e34f1 100644
--- a/be/src/vec/exprs/vectorized_fn_call.cpp
+++ b/be/src/vec/exprs/vectorized_fn_call.cpp
@@ -38,15 +38,6 @@ VectorizedFnCall::VectorizedFnCall(const doris::TExprNode& node) : VExpr(node) {
 
 doris::Status VectorizedFnCall::prepare(doris::RuntimeState* state,
                                         const doris::RowDescriptor& desc, VExprContext* context) {
-    // In 1.2-lts, repeat function return type is changed to always nullable,
-    // which is not compatible with 1.1-lts
-    if ("repeat" == _fn.name.function_name and !_data_type->is_nullable()) {
-        const auto error_msg =
-                "In progress of upgrading from 1.1-lts to 1.2-lts, vectorized repeat "
-                "function cannot be executed, you can switch to non-vectorized engine by "
-                "'set global enable_vectorized_engine = false'";
-        return Status::InternalError(error_msg);
-    }
     RETURN_IF_ERROR_OR_PREPARED(VExpr::prepare(state, desc, context));
     ColumnsWithTypeAndName argument_template;
     argument_template.reserve(_children.size());
diff --git a/be/test/vec/exec/vbroker_scan_node_test.cpp b/be/test/vec/exec/vbroker_scan_node_test.cpp
index 5da2f255f3..dc237c7103 100644
--- a/be/test/vec/exec/vbroker_scan_node_test.cpp
+++ b/be/test/vec/exec/vbroker_scan_node_test.cpp
@@ -46,7 +46,6 @@ public:
     VBrokerScanNodeTest() : _runtime_state(TQueryGlobals()) {
         init();
         _runtime_state.init_mem_trackers();
-        _runtime_state._query_options.enable_vectorized_engine = true;
     }
     void init();
     static void SetUpTestCase() {
diff --git a/be/test/vec/exec/vbroker_scanner_test.cpp b/be/test/vec/exec/vbroker_scanner_test.cpp
index 225eeeb16b..179b54bafb 100644
--- a/be/test/vec/exec/vbroker_scanner_test.cpp
+++ b/be/test/vec/exec/vbroker_scanner_test.cpp
@@ -44,7 +44,6 @@ public:
 
         TUniqueId unique_id;
         TQueryOptions query_options;
-        query_options.__set_enable_vectorized_engine(true);
         TQueryGlobals query_globals;
 
         _runtime_state.init(unique_id, query_options, query_globals, nullptr);
diff --git a/be/test/vec/exec/vjson_scanner_test.cpp b/be/test/vec/exec/vjson_scanner_test.cpp
index a4d7a6c5d5..362a4fb94b 100644
--- a/be/test/vec/exec/vjson_scanner_test.cpp
+++ b/be/test/vec/exec/vjson_scanner_test.cpp
@@ -49,7 +49,6 @@ public:
 
         TUniqueId unique_id;
         TQueryOptions query_options;
-        query_options.__set_enable_vectorized_engine(true);
         TQueryGlobals query_globals;
 
         _runtime_state.init(unique_id, query_options, query_globals, nullptr);
diff --git a/be/test/vec/exec/vorc_scanner_test.cpp b/be/test/vec/exec/vorc_scanner_test.cpp
index d47052efce..9ab5bd2d83 100644
--- a/be/test/vec/exec/vorc_scanner_test.cpp
+++ b/be/test/vec/exec/vorc_scanner_test.cpp
@@ -45,7 +45,6 @@ public:
     VOrcScannerTest() : _runtime_state(TQueryGlobals()) {
         _profile = _runtime_state.runtime_profile();
         _runtime_state.init_mem_trackers();
-        _runtime_state._query_options.enable_vectorized_engine = true;
     }
     ~VOrcScannerTest() {}
 
diff --git a/be/test/vec/exec/vparquet_scanner_test.cpp b/be/test/vec/exec/vparquet_scanner_test.cpp
index 49b3ba3c56..b175ec130a 100644
--- a/be/test/vec/exec/vparquet_scanner_test.cpp
+++ b/be/test/vec/exec/vparquet_scanner_test.cpp
@@ -41,7 +41,6 @@ public:
     VParquetScannerTest() : _runtime_state(TQueryGlobals()) {
         init();
         _runtime_state.init_mem_trackers();
-        _runtime_state._query_options.enable_vectorized_engine = true;
     }
     ~VParquetScannerTest() {}
     void init();
diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
index 01b368b26b..996b79d944 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
@@ -1144,7 +1144,7 @@ public class SessionVariable implements Serializable, Writable {
     }
 
     public boolean enablePipelineEngine() {
-        return enablePipelineEngine && enableVectorizedEngine;
+        return enablePipelineEngine;
     }
 
     public void setEnablePipelineEngine(boolean enablePipelineEngine) {
@@ -1279,7 +1279,7 @@ public class SessionVariable implements Serializable, Writable {
      * @return true if both nereids and vectorized engine are enabled
      */
     public boolean isEnableNereidsPlanner() {
-        return enableNereidsPlanner && enableVectorizedEngine;
+        return enableNereidsPlanner;
     }
 
     public void setEnableNereidsPlanner(boolean enableNereidsPlanner) {
@@ -1365,7 +1365,6 @@ public class SessionVariable implements Serializable, Writable {
         tResult.setQueryTimeout(queryTimeoutS);
         tResult.setIsReportSuccess(enableProfile);
         tResult.setCodegenLevel(codegenLevel);
-        tResult.setEnableVectorizedEngine(enableVectorizedEngine);
         tResult.setBeExecVersion(Config.be_exec_version);
         tResult.setEnablePipelineEngine(enablePipelineEngine);
         tResult.setReturnObjectDataAsBinary(returnObjectDataAsBinary);
diff --git a/regression-test/suites/datatype_p0/date/test_from_unixtime.groovy b/regression-test/suites/datatype_p0/date/test_from_unixtime.groovy
index 8798749b1b..5cdbcf85af 100644
--- a/regression-test/suites/datatype_p0/date/test_from_unixtime.groovy
+++ b/regression-test/suites/datatype_p0/date/test_from_unixtime.groovy
@@ -17,7 +17,6 @@
 // under the License.
 
 suite("test_from_unixtime") {
-    sql "set enable_vectorized_engine=true"
     sql "set enable_fold_constant_by_be=true"
 
     qt_sql1 "select from_unixtime(1553152255)"
diff --git a/regression-test/suites/load/insert/test_array_insert.groovy b/regression-test/suites/load/insert/test_array_insert.groovy
index 17372344c9..95d5a1387b 100644
--- a/regression-test/suites/load/insert/test_array_insert.groovy
+++ b/regression-test/suites/load/insert/test_array_insert.groovy
@@ -133,7 +133,6 @@ suite("test_array_insert", "load") {
         assertTrue(result2[0][0] == 1, "Insert should update 1 rows")
     }
     
-    // case2: enable_vectorized_flag = true
     try {
         sql "DROP TABLE IF EXISTS ${testTable}"
         
diff --git a/regression-test/suites/nereids_syntax_p0/aggregate_strategies.groovy b/regression-test/suites/nereids_syntax_p0/aggregate_strategies.groovy
index 65aa1fe838..848a0df3f1 100644
--- a/regression-test/suites/nereids_syntax_p0/aggregate_strategies.groovy
+++ b/regression-test/suites/nereids_syntax_p0/aggregate_strategies.groovy
@@ -41,7 +41,6 @@ suite("aggregate_strategies") {
         sql "insert into $tableName select number, concat('name_', number) from numbers('number'='5')"
 
 
-        sql "SET enable_vectorized_engine=true"
         sql "SET enable_nereids_planner=true"
         sql "SET enable_fallback_to_original_planner=false"
 
diff --git a/regression-test/suites/nereids_syntax_p0/array_function.groovy b/regression-test/suites/nereids_syntax_p0/array_function.groovy
index 3c06ef48a5..915ce8af4d 100644
--- a/regression-test/suites/nereids_syntax_p0/array_function.groovy
+++ b/regression-test/suites/nereids_syntax_p0/array_function.groovy
@@ -17,7 +17,6 @@
 
 suite("array_function") {
     sql "SET enable_nereids_planner=true"
-    sql "SET enable_vectorized_engine=true"
     sql "SET enable_fallback_to_original_planner=false"
 
     test {
diff --git a/regression-test/suites/nereids_syntax_p0/group_bit.groovy b/regression-test/suites/nereids_syntax_p0/group_bit.groovy
index 415d71bdef..b0a96f80dd 100644
--- a/regression-test/suites/nereids_syntax_p0/group_bit.groovy
+++ b/regression-test/suites/nereids_syntax_p0/group_bit.groovy
@@ -16,7 +16,6 @@
 // under the License.
 
 suite("group_bit") {
-    sql "SET enable_vectorized_engine=true"
     sql "SET enable_nereids_planner=true"
     sql "SET enable_fallback_to_original_planner=false"
     table = "group_bit_and_or_xor"
diff --git a/regression-test/suites/nereids_syntax_p0/group_concat.groovy b/regression-test/suites/nereids_syntax_p0/group_concat.groovy
index 0f16089cbd..b046b1a5d4 100644
--- a/regression-test/suites/nereids_syntax_p0/group_concat.groovy
+++ b/regression-test/suites/nereids_syntax_p0/group_concat.groovy
@@ -17,7 +17,6 @@
 
 suite("group_concat") {
     sql "SET enable_nereids_planner=true"
-    sql "set enable_vectorized_engine=true"
     sql "SET enable_fallback_to_original_planner=false"
 
 
diff --git a/regression-test/suites/nereids_syntax_p0/lateral_view.groovy b/regression-test/suites/nereids_syntax_p0/lateral_view.groovy
index a959fae7f8..cef1dafaae 100644
--- a/regression-test/suites/nereids_syntax_p0/lateral_view.groovy
+++ b/regression-test/suites/nereids_syntax_p0/lateral_view.groovy
@@ -18,7 +18,6 @@
 suite("nereids_lateral_view") {
     sql "SET enable_fallback_to_original_planner=false"
     sql "SET enable_nereids_planner=true"
-    sql "SET enable_vectorized_engine=true"
 
     sql """DROP TABLE IF EXISTS nlv_test"""
 
diff --git a/regression-test/suites/nereids_syntax_p0/mask_function.groovy b/regression-test/suites/nereids_syntax_p0/mask_function.groovy
index 41e2b6827c..94aaa913f9 100644
--- a/regression-test/suites/nereids_syntax_p0/mask_function.groovy
+++ b/regression-test/suites/nereids_syntax_p0/mask_function.groovy
@@ -22,8 +22,7 @@ suite("test_mask_function") {
 
     sql 'set enable_nereids_planner=true'
     sql 'set enable_fallback_to_original_planner=false'
-    sql 'set enable_vectorized_engine=true'
-    
+
     sql """
         create table table_mask_test (
         id int not null,
diff --git a/regression-test/suites/nereids_syntax_p0/null_aware_left_anti_join.groovy b/regression-test/suites/nereids_syntax_p0/null_aware_left_anti_join.groovy
index e6a15f6ca9..0a70404b90 100644
--- a/regression-test/suites/nereids_syntax_p0/null_aware_left_anti_join.groovy
+++ b/regression-test/suites/nereids_syntax_p0/null_aware_left_anti_join.groovy
@@ -42,7 +42,6 @@ suite("test_nereids_null_aware_left_anti_join") {
         insert into ${tableName2} values (1), (2);
     """
     sql "SET enable_nereids_planner=true"
-    sql "SET enable_vectorized_engine=true"
 
     sql "SET enable_fallback_to_original_planner=false"
     qt_select """ select ${tableName2}.k1 from ${tableName2} where k1 not in (select ${tableName1}.k1 from ${tableName1}) order by ${tableName2}.k1; """
diff --git a/regression-test/suites/nereids_syntax_p0/select_partition.groovy b/regression-test/suites/nereids_syntax_p0/select_partition.groovy
index 9caa21c96b..4a61471d2b 100644
--- a/regression-test/suites/nereids_syntax_p0/select_partition.groovy
+++ b/regression-test/suites/nereids_syntax_p0/select_partition.groovy
@@ -16,7 +16,6 @@
 // under the License.
 
 suite("query_on_specific_partition") {
-    sql "SET enable_vectorized_engine=true"
     sql "SET enable_nereids_planner=true"
 
     sql """
diff --git a/regression-test/suites/nereids_syntax_p0/set_operation.groovy b/regression-test/suites/nereids_syntax_p0/set_operation.groovy
index bc2e86db2f..2e06f2aa78 100644
--- a/regression-test/suites/nereids_syntax_p0/set_operation.groovy
+++ b/regression-test/suites/nereids_syntax_p0/set_operation.groovy
@@ -18,7 +18,6 @@
 suite("test_nereids_set_operation") {
 
     sql "SET enable_nereids_planner=true"
-    sql "SET enable_vectorized_engine=true"
 
     sql "DROP TABLE IF EXISTS setOperationTable"
     sql "DROP TABLE IF EXISTS setOperationTableNotNullable"
diff --git a/regression-test/suites/nereids_syntax_p0/sub_query_count_with_const.groovy b/regression-test/suites/nereids_syntax_p0/sub_query_count_with_const.groovy
index 9ed1624ea7..ffe07644d5 100644
--- a/regression-test/suites/nereids_syntax_p0/sub_query_count_with_const.groovy
+++ b/regression-test/suites/nereids_syntax_p0/sub_query_count_with_const.groovy
@@ -16,7 +16,6 @@
 // under the License.
 
 suite("sub_query_count_with_const") {
-    sql "SET enable_vectorized_engine=true"
     sql "SET enable_nereids_planner=true"
     sql "SET enable_fallback_to_original_planner=false"
 
diff --git a/regression-test/suites/nereids_syntax_p0/test_arithmetic_operators.groovy b/regression-test/suites/nereids_syntax_p0/test_arithmetic_operators.groovy
index e7fe4a8c4a..53b7721446 100644
--- a/regression-test/suites/nereids_syntax_p0/test_arithmetic_operators.groovy
+++ b/regression-test/suites/nereids_syntax_p0/test_arithmetic_operators.groovy
@@ -20,7 +20,6 @@ suite("nereids_test_arithmetic_operators", "query,p0") {
     def tableName = "test"
 
     sql "use test_query_db"
-    sql "SET enable_vectorized_engine=true"
     sql "SET enable_nereids_planner=true"
     sql "SET enable_fallback_to_original_planner=false"
 
diff --git a/regression-test/suites/nereids_syntax_p0/test_bitmap_function_nereids.groovy b/regression-test/suites/nereids_syntax_p0/test_bitmap_function_nereids.groovy
index cb00d6cd66..caefcd236c 100644
--- a/regression-test/suites/nereids_syntax_p0/test_bitmap_function_nereids.groovy
+++ b/regression-test/suites/nereids_syntax_p0/test_bitmap_function_nereids.groovy
@@ -16,7 +16,6 @@
 // under the License.
 
 suite("test_bitmap_function_nereids") {
-    sql 'set enable_vectorized_engine=true;'
     sql 'set enable_fallback_to_original_planner=false;'
     sql 'set enable_nereids_planner=true;'
     // BITMAP_AND
diff --git a/regression-test/suites/nereids_syntax_p0/test_case_function.groovy b/regression-test/suites/nereids_syntax_p0/test_case_function.groovy
index 9a0b63a95b..85ae190977 100644
--- a/regression-test/suites/nereids_syntax_p0/test_case_function.groovy
+++ b/regression-test/suites/nereids_syntax_p0/test_case_function.groovy
@@ -18,7 +18,6 @@
 suite("test_nereids_case_function", "query,p0") {
     sql "use test_query_db"
     sql "SET enable_nereids_planner=true"
-    sql "SET enable_vectorized_engine=true"
     sql "SET enable_fallback_to_original_planner=false"
 
     def tableName1 = "test"
diff --git a/regression-test/suites/nereids_syntax_p0/test_join3.groovy b/regression-test/suites/nereids_syntax_p0/test_join3.groovy
index 17a0ad76c7..cf59e8f79c 100644
--- a/regression-test/suites/nereids_syntax_p0/test_join3.groovy
+++ b/regression-test/suites/nereids_syntax_p0/test_join3.groovy
@@ -17,7 +17,6 @@
 
 suite("nereids_test_join3", "query,p0") {
 
-    sql "SET enable_vectorized_engine=true"
     sql "SET enable_nereids_planner=true"
     sql "SET enable_fallback_to_original_planner=false"
 
diff --git a/regression-test/suites/nereids_syntax_p0/test_query_between.groovy b/regression-test/suites/nereids_syntax_p0/test_query_between.groovy
index d3b4b18306..4c5971e3cb 100644
--- a/regression-test/suites/nereids_syntax_p0/test_query_between.groovy
+++ b/regression-test/suites/nereids_syntax_p0/test_query_between.groovy
@@ -18,7 +18,6 @@
 suite("nereids_test_query_between", "query,p0") {
     sql"use test_query_db"
 
-    sql "SET enable_vectorized_engine=true"
     sql "SET enable_nereids_planner=true"
     sql "SET enable_fallback_to_original_planner=false"
 
diff --git a/regression-test/suites/nereids_syntax_p0/test_time_lut_nereids.groovy b/regression-test/suites/nereids_syntax_p0/test_time_lut_nereids.groovy
index 3a7795e17b..95b66e73b6 100644
--- a/regression-test/suites/nereids_syntax_p0/test_time_lut_nereids.groovy
+++ b/regression-test/suites/nereids_syntax_p0/test_time_lut_nereids.groovy
@@ -16,7 +16,6 @@
 // under the License.
 
 suite("test_time_lut_nereids") {
-    sql 'set enable_vectorized_engine=true;'
     sql 'set enable_fallback_to_original_planner=false;'
     sql 'set enable_nereids_planner=true;'
     for (def year = 1980; year < 2030; year++) {
diff --git a/regression-test/suites/query_p0/aggregate/aggregate.groovy b/regression-test/suites/query_p0/aggregate/aggregate.groovy
index 025606d88e..0053bf05b0 100644
--- a/regression-test/suites/query_p0/aggregate/aggregate.groovy
+++ b/regression-test/suites/query_p0/aggregate/aggregate.groovy
@@ -292,7 +292,6 @@ suite("aggregate") {
     sql"""create table tempbaseall PROPERTIES("replication_num" = "1")  as select k1, k2 from baseall where k1 is not null;"""
     qt_aggregate32"select k1, k2 from (select k1, max(k2) as k2 from tempbaseall where k1 > 0 group by k1 order by k1)a where k1 > 0 and k1 < 10 order by k1;"
 
-    sql 'set enable_vectorized_engine=true;'
     sql 'set enable_fallback_to_original_planner=false'
     sql 'set enable_nereids_planner=true'
     qt_aggregate """ select avg(distinct c_bigint), avg(distinct c_double) from regression_test_query_p0_aggregate.${tableName} """
diff --git a/regression-test/suites/query_p0/aggregate/aggregate_group_by_metric_type.groovy b/regression-test/suites/query_p0/aggregate/aggregate_group_by_metric_type.groovy
index 78b687b7cf..31b8ef9fae 100644
--- a/regression-test/suites/query_p0/aggregate/aggregate_group_by_metric_type.groovy
+++ b/regression-test/suites/query_p0/aggregate/aggregate_group_by_metric_type.groovy
@@ -46,7 +46,6 @@ suite("aggregate_group_by_metric_type") {
         exception "${error_msg}"
     }
 
-    sql 'set enable_vectorized_engine=true;'
     sql 'set enable_fallback_to_original_planner=false'
     sql 'set enable_nereids_planner=true'
 
diff --git a/regression-test/suites/query_p0/join/test_runtimefilter_on_datev2.groovy b/regression-test/suites/query_p0/join/test_runtimefilter_on_datev2.groovy
index 3247f331ef..32435ffd73 100644
--- a/regression-test/suites/query_p0/join/test_runtimefilter_on_datev2.groovy
+++ b/regression-test/suites/query_p0/join/test_runtimefilter_on_datev2.groovy
@@ -216,7 +216,6 @@ suite("test_runtimefilter_on_datev2", "query_p0") {
         SELECT * FROM ${dateV2Table} a, ${dateV2Table2} b WHERE a.date = b.date;
     """
 
-    sql 'set enable_vectorized_engine=true'
     sql 'set enable_fallback_to_original_planner=false'
     sql 'set enable_nereids_planner=true'
     qt_join1 """
diff --git a/regression-test/suites/query_p0/keyword/test_keyword.groovy b/regression-test/suites/query_p0/keyword/test_keyword.groovy
index 8ce23e4ee4..dd8f072043 100644
--- a/regression-test/suites/query_p0/keyword/test_keyword.groovy
+++ b/regression-test/suites/query_p0/keyword/test_keyword.groovy
@@ -110,7 +110,6 @@ suite("test_keyword", "query,p0") {
             order by k7;"
     try_sql "select k1 as k7, k2 as k8, k3 as k9 from baseall t where k8 > 0 group by k7, k8, k9 having k7 > 5 order by k7;"
 
-    sql 'set enable_vectorized_engine=true'
     sql 'set enable_nereids_planner=true'
     sql 'set enable_fallback_to_original_planner=false'
 
diff --git a/regression-test/suites/query_p0/sql_functions/aggregate_functions/test_aggregate_histogram.groovy b/regression-test/suites/query_p0/sql_functions/aggregate_functions/test_aggregate_histogram.groovy
index fc0f993971..a9d3e458a2 100644
--- a/regression-test/suites/query_p0/sql_functions/aggregate_functions/test_aggregate_histogram.groovy
+++ b/regression-test/suites/query_p0/sql_functions/aggregate_functions/test_aggregate_histogram.groovy
@@ -16,8 +16,6 @@
 // under the License.
 
 suite("test_aggregate_histogram") {
-    sql "set enable_vectorized_engine = true"
-
     def tableName = "histogram_test"
     def tableCTAS1 = "histogram_test_ctas1"
     def tableCTAS2 = "histogram_test_ctas2"
diff --git a/regression-test/suites/query_p0/sql_functions/aggregate_functions/test_approx_count_distinct.groovy b/regression-test/suites/query_p0/sql_functions/aggregate_functions/test_approx_count_distinct.groovy
index d966bb042c..9addccccf7 100644
--- a/regression-test/suites/query_p0/sql_functions/aggregate_functions/test_approx_count_distinct.groovy
+++ b/regression-test/suites/query_p0/sql_functions/aggregate_functions/test_approx_count_distinct.groovy
@@ -17,7 +17,6 @@
 
 suite("test_approx_count_distinct") {
     qt_select "select approx_count_distinct(k1) from test_query_db.baseall"
-    sql 'set enable_vectorized_engine=true;'
     sql 'set enable_fallback_to_original_planner=false'
     sql 'set enable_nereids_planner=true'
     qt_select "select approx_count_distinct(k1) from test_query_db.baseall"
diff --git a/regression-test/suites/query_p0/sql_functions/conditional_functions/test_conditional_function.groovy b/regression-test/suites/query_p0/sql_functions/conditional_functions/test_conditional_function.groovy
index 08863cea7a..ccf0576bfd 100644
--- a/regression-test/suites/query_p0/sql_functions/conditional_functions/test_conditional_function.groovy
+++ b/regression-test/suites/query_p0/sql_functions/conditional_functions/test_conditional_function.groovy
@@ -92,7 +92,6 @@ suite("test_conditional_function") {
     qt_if_false_then_nullable """select IF(false, DAYOFWEEK("2022-12-06 17:48:46"), 1) + 1;"""
     qt_if_false_else_nullable """select IF(false, 1, DAYOFWEEK("2022-12-06 17:48:46")) + 1;"""
 
-    sql 'set enable_vectorized_engine=true;'
     sql 'set enable_fallback_to_original_planner=false'
     sql 'set enable_nereids_planner=true'
 
diff --git a/regression-test/suites/query_p0/sql_functions/math_functions/test_round.groovy b/regression-test/suites/query_p0/sql_functions/math_functions/test_round.groovy
index 9d6892a40e..e0b63b300f 100644
--- a/regression-test/suites/query_p0/sql_functions/math_functions/test_round.groovy
+++ b/regression-test/suites/query_p0/sql_functions/math_functions/test_round.groovy
@@ -39,7 +39,6 @@ suite("test_round") {
     sql """ DROP TABLE IF EXISTS `${tableName}` """
 
     sql "SET enable_nereids_planner=true"
-    sql "SET enable_vectorized_engine=true"
     sql "SET enable_fallback_to_original_planner=false"
 
     qt_nereids_round_arg1 "SELECT round(10.12345)"
diff --git a/regression-test/suites/query_p0/sql_functions/width_bucket_fuctions/test_width_bucket_function.groovy b/regression-test/suites/query_p0/sql_functions/width_bucket_fuctions/test_width_bucket_function.groovy
index 32d720e691..81be814166 100644
--- a/regression-test/suites/query_p0/sql_functions/width_bucket_fuctions/test_width_bucket_function.groovy
+++ b/regression-test/suites/query_p0/sql_functions/width_bucket_fuctions/test_width_bucket_function.groovy
@@ -16,8 +16,6 @@
 // under the License.
 
 suite("test_width_bucket_function") {
-    sql "set enable_vectorized_engine = true"
-
     qt_sql "select width_bucket(1, 2, 3, 2)"
     qt_sql "select width_bucket(null, 2, 3, 2)"
     qt_sql "select width_bucket(6, 2, 6, 4)"
diff --git a/regression-test/suites/query_p0/union/test_union.groovy b/regression-test/suites/query_p0/union/test_union.groovy
index d859259672..04631d971a 100644
--- a/regression-test/suites/query_p0/union/test_union.groovy
+++ b/regression-test/suites/query_p0/union/test_union.groovy
@@ -274,7 +274,6 @@ suite("test_union") {
     }
     sql"""drop table ${new_union_table}"""
 
-    sql 'set enable_vectorized_engine=true;'
     sql 'set enable_fallback_to_original_planner=false'
     sql 'set enable_nereids_planner=true'
     qt_union35 """select cast("2016-07-01" as date) union (select cast("2016-07-02 1:10:0" as date)) order by 1"""
diff --git a/regression-test/suites/query_p1/return_binaray/test_return_binaray_hll.groovy b/regression-test/suites/query_p1/return_binaray/test_return_binaray_hll.groovy
index d581b6a04e..f998dbbb3d 100644
--- a/regression-test/suites/query_p1/return_binaray/test_return_binaray_hll.groovy
+++ b/regression-test/suites/query_p1/return_binaray/test_return_binaray_hll.groovy
@@ -38,12 +38,10 @@ suite("test_return_binary_hll") {
     sql """
         insert into ${tableName} values(1,1,hll_hash(1)),(1,1,hll_hash(2)),(1,1,hll_hash(3)),(1,1,hll_hash(23332));
     """
-    sql "set enable_vectorized_engine=true;"
     sql "set return_object_data_as_binary=false;"
     def result1 = sql "select * from ${tableName}"
     assertTrue(result1[0][2]==null);
 
-    sql "set enable_vectorized_engine=true;"
     sql "set return_object_data_as_binary=true;"
     def result2 = sql "select * from ${tableName}"
     assertTrue(result2[0][2]!=null);
diff --git a/regression-test/suites/query_p1/return_binaray/test_return_binary_bitmap.groovy b/regression-test/suites/query_p1/return_binaray/test_return_binary_bitmap.groovy
index c09d71666d..feff7d4d08 100644
--- a/regression-test/suites/query_p1/return_binaray/test_return_binary_bitmap.groovy
+++ b/regression-test/suites/query_p1/return_binaray/test_return_binary_bitmap.groovy
@@ -38,12 +38,10 @@ suite("test_return_binary_bitmap") {
     sql """
         insert into ${tableName} values(1,1,to_bitmap(1)),(1,1,to_bitmap(2)),(1,1,to_bitmap(3)),(1,1,to_bitmap(23332));
     """
-    sql "set enable_vectorized_engine=true;"
     sql "set return_object_data_as_binary=false;"
     def result1 = sql "select * from ${tableName}"
     assertTrue(result1[0][2]==null);
 
-    sql "set enable_vectorized_engine=true;"
     sql "set return_object_data_as_binary=true;"
     def result2 = sql "select * from ${tableName}"
     assertTrue(result2[0][2]!=null);