diff --git a/ydb/core/kqp/ut/scheme/kqp_scheme_ut.cpp b/ydb/core/kqp/ut/scheme/kqp_scheme_ut.cpp
index 3702848ccdae..86377719e4bd 100644
--- a/ydb/core/kqp/ut/scheme/kqp_scheme_ut.cpp
+++ b/ydb/core/kqp/ut/scheme/kqp_scheme_ut.cpp
@@ -1945,8 +1945,7 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
     }
 
     Y_UNIT_TEST(CreateTableWithPartitionAtKeysUuid) {
-        TKikimrSettings kikimrSettings = TKikimrSettings()
-            .SetEnableUuidAsPrimaryKey(true);
+        TKikimrSettings kikimrSettings;
         TKikimrRunner kikimr(kikimrSettings);
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
@@ -1990,8 +1989,7 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
     }
 
     Y_UNIT_TEST(CreateTableWithUniformPartitionsUuid) {
-        TKikimrSettings kikimrSettings = TKikimrSettings()
-            .SetEnableUuidAsPrimaryKey(true);
+        TKikimrSettings kikimrSettings;
         TKikimrRunner kikimr(kikimrSettings);
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
diff --git a/ydb/core/kqp/ut/yql/kqp_yql_ut.cpp b/ydb/core/kqp/ut/yql/kqp_yql_ut.cpp
index 247704928cfb..17c7fa65c0fc 100644
--- a/ydb/core/kqp/ut/yql/kqp_yql_ut.cpp
+++ b/ydb/core/kqp/ut/yql/kqp_yql_ut.cpp
@@ -613,6 +613,7 @@ Y_UNIT_TEST_SUITE(KqpYql) {
         appConfig.MutableTableServiceConfig()->SetEnablePreparedDdl(true);
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
+            .SetEnableUuidAsPrimaryKey(false)
             .SetAppConfig(appConfig)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings.SetWithSampleTables(false));
@@ -684,7 +685,6 @@ Y_UNIT_TEST_SUITE(KqpYql) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
             .SetAppConfig(appConfig)
-            .SetEnableUuidAsPrimaryKey(true)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings.SetWithSampleTables(false));
 
@@ -833,7 +833,6 @@ Y_UNIT_TEST_SUITE(KqpYql) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
             .SetAppConfig(appConfig)
-            .SetEnableUuidAsPrimaryKey(true)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings.SetWithSampleTables(false));
 
@@ -890,7 +889,6 @@ Y_UNIT_TEST_SUITE(KqpYql) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
             .SetAppConfig(appConfig)
-            .SetEnableUuidAsPrimaryKey(true)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings.SetWithSampleTables(false));
 
@@ -917,7 +915,6 @@ Y_UNIT_TEST_SUITE(KqpYql) {
 
     Y_UNIT_TEST(UuidPrimaryKeyBulkUpsert) {
         auto settings = TKikimrSettings()
-            .SetEnableUuidAsPrimaryKey(true)
             .SetWithSampleTables(false);
         auto kikimr = TKikimrRunner{settings};
         auto db = kikimr.GetTableClient();
diff --git a/ydb/core/protos/feature_flags.proto b/ydb/core/protos/feature_flags.proto
index 0d92dc330768..b6a94dc6fcd3 100644
--- a/ydb/core/protos/feature_flags.proto
+++ b/ydb/core/protos/feature_flags.proto
@@ -123,7 +123,7 @@ message TFeatureFlags {
     optional bool EnableUniqConstraint = 104 [default = false];
     optional bool EnableChangefeedDebeziumJsonFormat = 105 [default = false];
     optional bool EnableStatistics = 106 [default = true];
-    optional bool EnableUuidAsPrimaryKey = 107 [default = false];
+    optional bool EnableUuidAsPrimaryKey = 107 [default = true];
     optional bool EnableTablePgTypes = 108 [default = false];
     optional bool EnableLocalDBBtreeIndex = 109 [default = true];
     optional bool EnablePDiskHighHDDInFlight = 110 [default = false];