diff --git a/cloud/blockstore/libs/storage/core/config.cpp b/cloud/blockstore/libs/storage/core/config.cpp
index fcffb51b08..dcf4aa24c0 100644
--- a/cloud/blockstore/libs/storage/core/config.cpp
+++ b/cloud/blockstore/libs/storage/core/config.cpp
@@ -509,6 +509,7 @@ TDuration MSeconds(ui32 value)
     xxx(ScrubbingBandwidth,                             ui64,      20            )\
     xxx(MaxScrubbingBandwidth,                          ui64,      50            )\
     xxx(MinScrubbingBandwidth,                          ui64,      5             )\
+    xxx(AutomaticallyEnableBufferCopyingAfterChecksumMismatch, bool, false       )\
                                                                                   \
     xxx(OptimizeVoidBuffersTransferForReadsEnabled,     bool,      false         )\
     xxx(VolumeHistoryCleanupItemCount,                  ui32,      100'000       )\
@@ -524,8 +525,6 @@ TDuration MSeconds(ui32 value)
     xxx(EnableToChangeStatesFromDiskRegistryMonpage,      bool,    false      )\
     xxx(EnableToChangeErrorStatesFromDiskRegistryMonpage, bool,    false      )\
     xxx(CalculateSplittedUsedQuotaMetric,                 bool,    false      )\
-                                                                               \
-    xxx(AutomaticallyEnableBufferCopyingAfterChecksumMismatch, bool, false    )\
 // BLOCKSTORE_STORAGE_CONFIG_RW
 
 #define BLOCKSTORE_STORAGE_CONFIG(xxx)                                         \
diff --git a/cloud/blockstore/libs/storage/partition_nonrepl/part_mirror_ut.cpp b/cloud/blockstore/libs/storage/partition_nonrepl/part_mirror_ut.cpp
index c87492eb1c..f2637a694b 100644
--- a/cloud/blockstore/libs/storage/partition_nonrepl/part_mirror_ut.cpp
+++ b/cloud/blockstore/libs/storage/partition_nonrepl/part_mirror_ut.cpp
@@ -261,12 +261,7 @@ struct TTestEnv
 
         Runtime.AddLocalService(
             MakeStorageServiceId(),
-            TActorSetupCmd(
-                new TStorageServiceMock(),
-                TMailboxType::Simple,
-                0
-            )
-        );
+            TActorSetupCmd(new TStorageServiceMock(), TMailboxType::Simple, 0));
 
         NKikimr::SetupTabletServices(Runtime);
     }
diff --git a/cloud/blockstore/libs/storage/partition_nonrepl/ut_env.h b/cloud/blockstore/libs/storage/partition_nonrepl/ut_env.h
index b0198ea28a..09b35fdbe0 100644
--- a/cloud/blockstore/libs/storage/partition_nonrepl/ut_env.h
+++ b/cloud/blockstore/libs/storage/partition_nonrepl/ut_env.h
@@ -236,8 +236,7 @@ class TDummyActor final
 
 ////////////////////////////////////////////////////////////////////////////////
 
-class TStorageServiceMock final
-    : public NActors::TActor<TStorageServiceMock>
+class TStorageServiceMock final: public NActors::TActor<TStorageServiceMock>
 {
 public:
     TStorageServiceMock()