diff --git a/ydb/core/kqp/ut/common/kqp_ut_common.h b/ydb/core/kqp/ut/common/kqp_ut_common.h
index 5e392069872a..fc7a03be1e45 100644
--- a/ydb/core/kqp/ut/common/kqp_ut_common.h
+++ b/ydb/core/kqp/ut/common/kqp_ut_common.h
@@ -121,6 +121,10 @@ struct TKikimrSettings: public TTestFeatureFlagsHolder<TKikimrSettings> {
     TKikimrSettings& SetUseRealThreads(bool value) { UseRealThreads = value; return *this; };
     TKikimrSettings& SetEnableForceFollowers(bool value) { EnableForceFollowers = value; return *this; };
     TKikimrSettings& SetS3ActorsFactory(std::shared_ptr<NYql::NDq::IS3ActorsFactory> value) { S3ActorsFactory = std::move(value); return *this; };
+    TKikimrSettings& SetAlterObjectEnabledForColumnTables(bool enable) {
+            AppConfig.MutableColumnShardConfig()->SetAlterObjectEnabled(enable);
+            return *this;
+    }
 };
 
 class TKikimrRunner {
diff --git a/ydb/core/kqp/ut/olap/compression_ut.cpp b/ydb/core/kqp/ut/olap/compression_ut.cpp
index 0cc130a21f10..45bf5807bd8b 100644
--- a/ydb/core/kqp/ut/olap/compression_ut.cpp
+++ b/ydb/core/kqp/ut/olap/compression_ut.cpp
@@ -6,10 +6,17 @@ Y_UNIT_TEST_SUITE(KqpOlapCompression) {
     TKikimrSettings GetSettings(bool enableCompression, bool enableAlterObject) {
         NKikimrConfig::TAppConfig appConfig;
         appConfig.MutableColumnShardConfig()->SetAlterObjectEnabled(enableAlterObject);
-        return TKikimrSettings().SetWithSampleTables(false).SetEnableOlapCompression(enableCompression).SetAppConfig(appConfig);
+        return TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapCompression(enableCompression)
+            .SetAlterObjectEnabledForColumnTables(enableAlterObject);
     }
     Y_UNIT_TEST(DisabledAlterCompression) {
-        TTestHelper testHelper(GetSettings(true, true));
+        auto settings = TKikimrSettings()
+            .SetEnableOlapCompression(false)
+            .SetAlterObjectEnabledForColumnTables(true)
+            .SetWithSampleTables(false);
+        TTestHelper testHelper(settings);
         TVector<TTestHelper::TColumnSchema> schema = {
             TTestHelper::TColumnSchema().SetName("pk_int").SetType(NScheme::NTypeIds::Uint64).SetNullable(false)
         };
@@ -32,7 +39,10 @@ Y_UNIT_TEST_SUITE(KqpOlapCompression) {
     }
 
     Y_UNIT_TEST(OffCompression) {
-        TTestHelper testHelper(GetSettings(false, true));
+        auto settings = TKikimrSettings()
+            .SetAlterObjectEnabledForColumnTables(true)
+            .SetWithSampleTables(false);
+        TTestHelper testHelper(settings);
         TVector<TTestHelper::TColumnSchema> schema = {
             TTestHelper::TColumnSchema().SetName("pk_int").SetType(NScheme::NTypeIds::Uint64).SetNullable(false)
         };
diff --git a/ydb/core/kqp/ut/scheme/kqp_scheme_ut.cpp b/ydb/core/kqp/ut/scheme/kqp_scheme_ut.cpp
index 77a8743ccecf..fa55635d761d 100644
--- a/ydb/core/kqp/ut/scheme/kqp_scheme_ut.cpp
+++ b/ydb/core/kqp/ut/scheme/kqp_scheme_ut.cpp
@@ -5518,8 +5518,9 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
     }
 
     Y_UNIT_TEST(AlterColumnTableTtl) {
-        TKikimrSettings runnerSettings;
-        runnerSettings.WithSampleTables = false;
+        auto runnerSettings = TKikimrSettings{}
+            .SetAlterObjectEnabledForColumnTables(true)
+            .SetWithSampleTables(false);
         TKikimrRunner kikimr(runnerSettings);
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
@@ -9225,9 +9226,10 @@ Y_UNIT_TEST_SUITE(KqpOlapScheme) {
         NKikimrConfig::TAppConfig appConfig;
         appConfig.MutableColumnShardConfig()->SetAlterObjectEnabled(true);
 
-        TKikimrSettings runnerSettings;
-        runnerSettings.WithSampleTables = false;
-        TTestHelper testHelper(runnerSettings);
+        auto settings = TKikimrSettings()
+            .SetAppConfig(appConfig)
+            .SetWithSampleTables(false);
+        TTestHelper testHelper(settings);
 
         TVector<TTestHelper::TColumnSchema> schema = {
             TTestHelper::TColumnSchema().SetName("id").SetType(NScheme::NTypeIds::Int32).SetNullable(false),
@@ -9487,8 +9489,9 @@ Y_UNIT_TEST_SUITE(KqpOlapScheme) {
     }
 */
     Y_UNIT_TEST(AddColumnWithStore) {
-        TKikimrSettings runnerSettings;
-        runnerSettings.WithSampleTables = false;
+        auto runnerSettings = TKikimrSettings{}
+            .SetAlterObjectEnabledForColumnTables(true)
+            .SetWithSampleTables(false);
         TTestHelper testHelper(runnerSettings);
 
         TVector<TTestHelper::TColumnSchema> schema = {
@@ -9551,8 +9554,9 @@ Y_UNIT_TEST_SUITE(KqpOlapScheme) {
     }
 
     Y_UNIT_TEST(AddPgColumnWithStore) {
-        TKikimrSettings runnerSettings;
-        runnerSettings.WithSampleTables = false;
+        auto runnerSettings = TKikimrSettings{}
+            .SetAlterObjectEnabledForColumnTables(true)
+            .SetWithSampleTables(false);
         TTestHelper testHelper(runnerSettings);
 
         TVector<TTestHelper::TColumnSchema> schema = {
@@ -9893,8 +9897,9 @@ Y_UNIT_TEST_SUITE(KqpOlapScheme) {
     }
 
     Y_UNIT_TEST(DropTtlColumn) {
-        TKikimrSettings runnerSettings;
-        runnerSettings.WithSampleTables = false;
+        auto runnerSettings = TKikimrSettings{}
+            .SetAlterObjectEnabledForColumnTables(true)
+            .SetWithSampleTables(false);
         TTestHelper testHelper(runnerSettings);
 
         TVector<TTestHelper::TColumnSchema> schema = {
@@ -9958,8 +9963,9 @@ Y_UNIT_TEST_SUITE(KqpOlapScheme) {
     }
 
     Y_UNIT_TEST(DropColumnTableStoreErrors) {
-        TKikimrSettings runnerSettings;
-        runnerSettings.WithSampleTables = false;
+        auto runnerSettings = TKikimrSettings{}
+            .SetAlterObjectEnabledForColumnTables(true)
+            .SetWithSampleTables(false);
         TTestHelper testHelper(runnerSettings);
 
         TVector<TTestHelper::TColumnSchema> schema = {
@@ -11409,8 +11415,9 @@ Y_UNIT_TEST_SUITE(KqpOlapScheme) {
     }
 
     Y_UNIT_TEST(DropColumnAndResetTtl) {
-        TKikimrSettings runnerSettings;
-        runnerSettings.WithSampleTables = false;
+        auto runnerSettings = TKikimrSettings{}
+            .SetAlterObjectEnabledForColumnTables(true)
+            .SetWithSampleTables(false);
         TTestHelper testHelper(runnerSettings);
 
         TVector<TTestHelper::TColumnSchema> schema = {
@@ -11445,8 +11452,9 @@ Y_UNIT_TEST_SUITE(KqpOlapScheme) {
     }
 
     Y_UNIT_TEST(InitTtlSettingsOnShardStart) {
-        TKikimrSettings runnerSettings;
-        runnerSettings.WithSampleTables = false;
+        auto runnerSettings = TKikimrSettings{}
+            .SetAlterObjectEnabledForColumnTables(true)
+            .SetWithSampleTables(false);
         TTestHelper testHelper(runnerSettings);
 
         TVector<TTestHelper::TColumnSchema> schema = {