diff --git a/src/Storages/Distributed/DirectoryMonitor.cpp b/src/Storages/Distributed/DirectoryMonitor.cpp
index 2afa9747c60..ac376f92e73 100644
--- a/src/Storages/Distributed/DirectoryMonitor.cpp
+++ b/src/Storages/Distributed/DirectoryMonitor.cpp
@@ -25,11 +25,9 @@
 #include <IO/ConnectionTimeoutsContext.h>
 #include <IO/Operators.h>
 #include <Disks/IDisk.h>
-
 #include <boost/algorithm/string/find_iterator.hpp>
 #include <boost/algorithm/string/finder.hpp>
-
-#include <Poco/DirectoryIterator.h>
+#include <filesystem>
 
 
 namespace CurrentMetrics
@@ -38,6 +36,8 @@ namespace CurrentMetrics
     extern const Metric DistributedFilesToInsert;
 }
 
+namespace fs = std::filesystem;
+
 namespace DB
 {
 
@@ -332,7 +332,7 @@ void StorageDistributedDirectoryMonitor::shutdownAndDropAllData()
     }
 
     auto dir_sync_guard = getDirectorySyncGuard(dir_fsync, disk, relative_path);
-    Poco::File(path).remove(true);
+    fs::remove_all(path);
 }
 
 
@@ -475,16 +475,15 @@ std::map<UInt64, std::string> StorageDistributedDirectoryMonitor::getFiles()
     std::map<UInt64, std::string> files;
     size_t new_bytes_count = 0;
 
-    Poco::DirectoryIterator end;
-    for (Poco::DirectoryIterator it{path}; it != end; ++it)
+    fs::directory_iterator end;
+    for (fs::directory_iterator it{path}; it != end; ++it)
     {
         const auto & file_path_str = it->path();
-        Poco::Path file_path{file_path_str};
-
-        if (!it->isDirectory() && startsWith(file_path.getExtension(), "bin"))
+        fs::path fs_file_path(file_path_str);
+        if (!it->is_directory() && startsWith(fs_file_path.extension(), ".bin"))
         {
-            files[parse<UInt64>(file_path.getBaseName())] = file_path_str;
-            new_bytes_count += Poco::File(file_path).getSize();
+            files[parse<UInt64>(fs_file_path.stem())] = file_path_str;
+            new_bytes_count += fs::file_size(fs_file_path);
         }
     }
 
@@ -646,8 +645,7 @@ struct StorageDistributedDirectoryMonitor::Batch
             String tmp_file{parent.current_batch_file_path + ".tmp"};
 
             auto dir_sync_guard = getDirectorySyncGuard(dir_fsync, parent.disk, parent.relative_path);
-
-            if (Poco::File{tmp_file}.exists())
+            if (fs::exists(tmp_file))
                 LOG_ERROR(parent.log, "Temporary file {} exists. Unclean shutdown?", backQuote(tmp_file));
 
             {
@@ -659,7 +657,7 @@ struct StorageDistributedDirectoryMonitor::Batch
                     out.sync();
             }
 
-            Poco::File{tmp_file}.renameTo(parent.current_batch_file_path);
+            fs::rename(tmp_file, parent.current_batch_file_path);
         }
         auto timeouts = ConnectionTimeouts::getTCPTimeoutsWithFailover(parent.storage.getContext()->getSettingsRef());
         auto connection = parent.pool->get(timeouts);
@@ -732,7 +730,7 @@ struct StorageDistributedDirectoryMonitor::Batch
         total_bytes = 0;
         recovered = false;
 
-        Poco::File{parent.current_batch_file_path}.setSize(0);
+        fs::resize_file(parent.current_batch_file_path, 0);
     }
 
     void writeText(WriteBuffer & out)
@@ -832,7 +830,7 @@ void StorageDistributedDirectoryMonitor::processFilesWithBatching(const std::map
 {
     std::unordered_set<UInt64> file_indices_to_skip;
 
-    if (Poco::File{current_batch_file_path}.exists())
+    if (fs::exists(current_batch_file_path))
     {
         /// Possibly, we failed to send a batch on the previous iteration. Try to send exactly the same batch.
         Batch batch(*this, files);
@@ -933,8 +931,8 @@ void StorageDistributedDirectoryMonitor::processFilesWithBatching(const std::map
 
         /// current_batch.txt will not exist if there was no send
         /// (this is the case when all batches that was pending has been marked as pending)
-        if (Poco::File{current_batch_file_path}.exists())
-            Poco::File{current_batch_file_path}.remove();
+        if (fs::exists(current_batch_file_path))
+            fs::remove(current_batch_file_path);
     }
 }
 
@@ -946,30 +944,26 @@ void StorageDistributedDirectoryMonitor::markAsBroken(const std::string & file_p
     const auto & broken_path = base_path + "broken/";
     const auto & broken_file_path = broken_path + file_name;
 
-    Poco::File{broken_path}.createDirectory();
+    fs::create_directory(broken_path);
 
     auto dir_sync_guard = getDirectorySyncGuard(dir_fsync, disk, relative_path);
     auto broken_dir_sync_guard = getDirectorySyncGuard(dir_fsync, disk, relative_path + "/broken/");
 
-    Poco::File file(file_path);
-
     {
         std::lock_guard metrics_lock(metrics_mutex);
 
-        size_t file_size = file.getSize();
+        size_t file_size = fs::file_size(file_path);
         --files_count;
         bytes_count -= file_size;
     }
 
-    file.renameTo(broken_file_path);
-
+    fs::rename(file_path, broken_file_path);
     LOG_ERROR(log, "Renamed `{}` to `{}`", file_path, broken_file_path);
 }
+
 void StorageDistributedDirectoryMonitor::markAsSend(const std::string & file_path)
 {
-    Poco::File file(file_path);
-
-    size_t file_size = file.getSize();
+    size_t file_size = fs::file_size(file_path);
 
     {
         std::lock_guard metrics_lock(metrics_mutex);
@@ -978,7 +972,7 @@ void StorageDistributedDirectoryMonitor::markAsSend(const std::string & file_pat
         bytes_count -= file_size;
     }
 
-    file.remove();
+    fs::remove(file_path);
 }
 
 bool StorageDistributedDirectoryMonitor::maybeMarkAsBroken(const std::string & file_path, const Exception & e)
diff --git a/src/Storages/Distributed/DistributedBlockOutputStream.cpp b/src/Storages/Distributed/DistributedBlockOutputStream.cpp
index d05fbae60d9..c5d4dc7486c 100644
--- a/src/Storages/Distributed/DistributedBlockOutputStream.cpp
+++ b/src/Storages/Distributed/DistributedBlockOutputStream.cpp
@@ -33,11 +33,10 @@
 #include <ext/range.h>
 #include <ext/scope_guard.h>
 
-#include <Poco/DirectoryIterator.h>
-
 #include <future>
 #include <condition_variable>
 #include <mutex>
+#include <filesystem>
 
 
 namespace CurrentMetrics
@@ -50,10 +49,11 @@ namespace ProfileEvents
     extern const Event DistributedSyncInsertionTimeoutExceeded;
 }
 
+namespace fs = std::filesystem;
+
 namespace DB
 {
 
-
 namespace ErrorCodes
 {
     extern const int LOGICAL_ERROR;
@@ -656,10 +656,10 @@ void DistributedBlockOutputStream::writeToShard(const Block & block, const std::
     /// hardlinking to ensure the inode is not freed until we're done
     {
         const std::string path(disk_path + data_path + *it);
-        Poco::File(path).createDirectory();
-
         const std::string tmp_path(path + "/tmp/");
-        Poco::File(tmp_path).createDirectory();
+
+        fs::create_directory(path);
+        fs::create_directory(tmp_path);
 
         const std::string file_name(toString(storage.file_names_increment.get()) + ".bin");
 
@@ -723,17 +723,17 @@ void DistributedBlockOutputStream::writeToShard(const Block & block, const std::
     for (; it != dir_names.end(); ++it)
     {
         const std::string path(disk_path + data_path + *it);
-        Poco::File(path).createDirectory();
+        fs::create_directory(path);
 
         const std::string block_file_path(path + '/' + toString(storage.file_names_increment.get()) + ".bin");
         createHardLink(first_file_tmp_path, block_file_path);
         auto dir_sync_guard = make_directory_sync_guard(*it);
     }
 
-    auto file_size = Poco::File(first_file_tmp_path).getSize();
+    auto file_size = fs::file_size(first_file_tmp_path);
     /// remove the temporary file, enabling the OS to reclaim inode after all threads
     /// have removed their corresponding files
-    Poco::File(first_file_tmp_path).remove();
+    fs::remove(first_file_tmp_path);
 
     /// Notify
     auto sleep_ms = context->getSettingsRef().distributed_directory_monitor_sleep_time_ms;
diff --git a/src/Storages/MergeTree/DataPartsExchange.cpp b/src/Storages/MergeTree/DataPartsExchange.cpp
index 205d57f533e..dfeb31af7b7 100644
--- a/src/Storages/MergeTree/DataPartsExchange.cpp
+++ b/src/Storages/MergeTree/DataPartsExchange.cpp
@@ -13,11 +13,11 @@
 #include <Common/NetException.h>
 #include <IO/createReadBufferFromFileBase.h>
 #include <ext/scope_guard.h>
-
-#include <Poco/File.h>
 #include <Poco/Net/HTTPRequest.h>
 
 
+namespace fs = std::filesystem;
+
 namespace CurrentMetrics
 {
     extern const Metric ReplicatedSend;
@@ -281,13 +281,13 @@ void Service::sendPartS3Metadata(const MergeTreeData::DataPartPtr & part, WriteB
 
         String metadata_file = disk->getPath() + part->getFullRelativePath() + file_name;
 
-        Poco::File metadata(metadata_file);
+        fs::path metadata(metadata_file);
 
-        if (!metadata.exists())
+        if (!fs::exists(metadata))
             throw Exception("S3 metadata '" + file_name + "' is not exists", ErrorCodes::CORRUPTED_DATA);
-        if (!metadata.isFile())
+        if (!fs::is_regular_file(metadata))
             throw Exception("S3 metadata '" + file_name + "' is not a file", ErrorCodes::CORRUPTED_DATA);
-        UInt64 file_size = metadata.getSize();
+        UInt64 file_size = fs::file_size(metadata);
 
         writeStringBinary(it.first, out);
         writeBinary(file_size, out);
diff --git a/src/Storages/MergeTree/MergeTreeData.cpp b/src/Storages/MergeTree/MergeTreeData.cpp
index ee8e15008cb..426b95968b6 100644
--- a/src/Storages/MergeTree/MergeTreeData.cpp
+++ b/src/Storages/MergeTree/MergeTreeData.cpp
@@ -51,8 +51,6 @@
 #include <Common/quoteString.h>
 #include <Common/typeid_cast.h>
 
-#include <Poco/DirectoryIterator.h>
-
 #include <boost/range/adaptor/filtered.hpp>
 #include <boost/algorithm/string/join.hpp>
 
@@ -66,8 +64,11 @@
 #include <typeinfo>
 #include <typeindex>
 #include <unordered_set>
+#include <filesystem>
 
 
+namespace fs = std::filesystem;
+
 namespace ProfileEvents
 {
     extern const Event RejectedInserts;
@@ -3834,9 +3835,9 @@ PartitionCommandsResultInfo MergeTreeData::freezePartitionsByMatcher(
     const String & with_name,
     ContextPtr local_context)
 {
-    String clickhouse_path = Poco::Path(local_context->getPath()).makeAbsolute().toString();
+    String clickhouse_path = fs::absolute(local_context->getPath());
     String default_shadow_path = clickhouse_path + "shadow/";
-    Poco::File(default_shadow_path).createDirectories();
+    fs::create_directories(default_shadow_path);
     auto increment = Increment(default_shadow_path + "increment.txt").get(true);
 
     const String shadow_path = "shadow/";
diff --git a/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp b/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
index ddb140989f6..0f30929eeb8 100644
--- a/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
+++ b/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
@@ -3,8 +3,6 @@
 #include <optional>
 #include <unordered_set>
 
-#include <Poco/File.h>
-
 #include <Common/FieldVisitors.h>
 #include <Storages/MergeTree/MergeTreeDataSelectExecutor.h>
 #include <Storages/MergeTree/MergeTreeSelectProcessor.h>
diff --git a/src/Storages/MergeTree/MergeTreeIndexGranularityInfo.cpp b/src/Storages/MergeTree/MergeTreeIndexGranularityInfo.cpp
index ed0e7e55fc8..6da0a822f7f 100644
--- a/src/Storages/MergeTree/MergeTreeIndexGranularityInfo.cpp
+++ b/src/Storages/MergeTree/MergeTreeIndexGranularityInfo.cpp
@@ -1,6 +1,8 @@
 #include <Storages/MergeTree/MergeTreeIndexGranularityInfo.h>
 #include <Storages/MergeTree/MergeTreeData.h>
-#include <Poco/Path.h>
+
+
+namespace fs = std::filesystem;
 
 namespace DB
 {
@@ -17,8 +19,7 @@ std::optional<std::string> MergeTreeIndexGranularityInfo::getMarksExtensionFromF
     {
         for (DiskDirectoryIteratorPtr it = disk->iterateDirectory(path_to_part); it->isValid(); it->next())
         {
-            Poco::Path path(it->path());
-            const auto & ext = "." + path.getExtension();
+            const auto & ext = fs::path(it->path()).extension();
             if (ext == getNonAdaptiveMrkExtension()
                 || ext == getAdaptiveMrkExtension(MergeTreeDataPartType::WIDE)
                 || ext == getAdaptiveMrkExtension(MergeTreeDataPartType::COMPACT))
diff --git a/src/Storages/MergeTree/MergeTreeReaderInMemory.cpp b/src/Storages/MergeTree/MergeTreeReaderInMemory.cpp
index 5ee4aa555e6..cf5c850daa1 100644
--- a/src/Storages/MergeTree/MergeTreeReaderInMemory.cpp
+++ b/src/Storages/MergeTree/MergeTreeReaderInMemory.cpp
@@ -3,7 +3,6 @@
 #include <DataTypes/DataTypeArray.h>
 #include <DataTypes/NestedUtils.h>
 #include <Columns/ColumnArray.h>
-#include <Poco/File.h>
 
 namespace DB
 {
diff --git a/src/Storages/RocksDB/StorageEmbeddedRocksDB.cpp b/src/Storages/RocksDB/StorageEmbeddedRocksDB.cpp
index 9173c23ec5a..d878fc63655 100644
--- a/src/Storages/RocksDB/StorageEmbeddedRocksDB.cpp
+++ b/src/Storages/RocksDB/StorageEmbeddedRocksDB.cpp
@@ -26,14 +26,16 @@
 #include <Interpreters/TreeRewriter.h>
 #include <Interpreters/convertFieldToType.h>
 
-#include <Poco/File.h>
-#include <Poco/Path.h>
 #include <Poco/Logger.h>
 #include <common/logger_useful.h>
 
 #include <rocksdb/db.h>
 #include <rocksdb/table.h>
 
+#include <filesystem>
+
+
+namespace fs = std::filesystem;
 
 namespace DB
 {
@@ -253,7 +255,7 @@ StorageEmbeddedRocksDB::StorageEmbeddedRocksDB(const StorageID & table_id_,
     rocksdb_dir = context_->getPath() + relative_data_path_;
     if (!attach)
     {
-        Poco::File(rocksdb_dir).createDirectories();
+        fs::create_directories(rocksdb_dir);
     }
     initDb();
 }
@@ -261,8 +263,8 @@ StorageEmbeddedRocksDB::StorageEmbeddedRocksDB(const StorageID & table_id_,
 void StorageEmbeddedRocksDB::truncate(const ASTPtr &, const StorageMetadataPtr & , ContextPtr, TableExclusiveLockHolder &)
 {
     rocksdb_ptr->Close();
-    Poco::File(rocksdb_dir).remove(true);
-    Poco::File(rocksdb_dir).createDirectories();
+    fs::remove_all(rocksdb_dir);
+    fs::create_directories(rocksdb_dir);
     initDb();
 }
 
diff --git a/src/Storages/StorageDistributed.cpp b/src/Storages/StorageDistributed.cpp
index e42e53d3f1b..6c3278d9598 100644
--- a/src/Storages/StorageDistributed.cpp
+++ b/src/Storages/StorageDistributed.cpp
@@ -76,6 +76,8 @@
 #include <cassert>
 
 
+namespace fs = std::filesystem;
+
 namespace
 {
 const UInt64 FORCE_OPTIMIZE_SKIP_UNUSED_SHARDS_HAS_SHARDING_KEY = 1;
@@ -845,7 +847,7 @@ StoragePolicyPtr StorageDistributed::getStoragePolicy() const
 void StorageDistributed::createDirectoryMonitors(const DiskPtr & disk)
 {
     const std::string path(disk->getPath() + relative_data_path);
-    Poco::File{path}.createDirectories();
+    fs::create_directories(path);
 
     std::filesystem::directory_iterator begin(path);
     std::filesystem::directory_iterator end;
diff --git a/src/Storages/StorageFile.cpp b/src/Storages/StorageFile.cpp
index 14b91d29805..be052f91b39 100644
--- a/src/Storages/StorageFile.cpp
+++ b/src/Storages/StorageFile.cpp
@@ -28,9 +28,6 @@
 #include <fcntl.h>
 #include <unistd.h>
 
-#include <Poco/Path.h>
-#include <Poco/File.h>
-
 #include <re2/re2.h>
 #include <filesystem>
 #include <Storages/Distributed/DirectoryMonitor.h>
@@ -39,6 +36,7 @@
 #include <Processors/Sources/NullSource.h>
 #include <Processors/Pipe.h>
 
+
 namespace fs = std::filesystem;
 
 namespace DB
@@ -78,10 +76,9 @@ std::vector<std::string> listFilesWithRegexpMatching(const std::string & path_fo
 
     std::vector<std::string> result;
     const std::string prefix_without_globs = path_for_ls + for_match.substr(1, end_of_path_without_globs);
-    if (!fs::exists(fs::path(prefix_without_globs)))
-    {
+    if (!fs::exists(prefix_without_globs))
         return result;
-    }
+
     const fs::directory_iterator end;
     for (fs::directory_iterator it(prefix_without_globs); it != end; ++it)
     {
@@ -125,21 +122,20 @@ void checkCreationIsAllowed(ContextPtr context_global, const std::string & db_di
     if (!startsWith(table_path, db_dir_path) && table_path != "/dev/null")
         throw Exception("File is not inside " + db_dir_path, ErrorCodes::DATABASE_ACCESS_DENIED);
 
-    Poco::File table_path_poco_file = Poco::File(table_path);
-    if (table_path_poco_file.exists() && table_path_poco_file.isDirectory())
+    if (fs::exists(table_path) && fs::is_directory(table_path))
         throw Exception("File must not be a directory", ErrorCodes::INCORRECT_FILE_NAME);
 }
 }
 
 Strings StorageFile::getPathsList(const String & table_path, const String & user_files_path, ContextPtr context)
 {
-    String user_files_absolute_path = Poco::Path(user_files_path).makeAbsolute().makeDirectory().toString();
-    Poco::Path poco_path = Poco::Path(table_path);
-    if (poco_path.isRelative())
-        poco_path = Poco::Path(user_files_absolute_path, poco_path);
+    fs::path user_files_absolute_path = fs::absolute(user_files_path);
+    fs::path fs_table_path(table_path);
+    if (fs_table_path.is_relative())
+        fs_table_path = user_files_absolute_path / fs_table_path;
 
     Strings paths;
-    const String path = poco_path.absolute().toString();
+    const String path = fs::absolute(fs_table_path);
     if (path.find_first_of("*?{") == std::string::npos)
         paths.push_back(path);
     else
@@ -205,7 +201,7 @@ StorageFile::StorageFile(const std::string & relative_table_dir_path, CommonArgu
         throw Exception("Distributed format is allowed only with explicit file path", ErrorCodes::INCORRECT_FILE_NAME);
 
     String table_dir_path = base_path + relative_table_dir_path + "/";
-    Poco::File(table_dir_path).createDirectories();
+    fs::create_directories(table_dir_path);
     paths = {getTablePath(table_dir_path, format_name)};
 }
 
@@ -455,7 +451,7 @@ Pipe StorageFile::read(
     if (use_table_fd)   /// need to call ctr BlockInputStream
         paths = {""};   /// when use fd, paths are empty
     else
-        if (paths.size() == 1 && !Poco::File(paths[0]).exists())
+        if (paths.size() == 1 && !fs::exists(paths[0]))
         {
             if (context->getSettingsRef().engine_file_empty_if_not_exists)
                 return Pipe(std::make_shared<NullSource>(metadata_snapshot->getSampleBlockForColumns(column_names, getVirtuals(), getStorageID())));
@@ -598,7 +594,7 @@ BlockOutputStreamPtr StorageFile::write(
     if (!paths.empty())
     {
         path = paths[0];
-        Poco::File(Poco::Path(path).makeParent()).createDirectories();
+        fs::create_directories(fs::path(path).parent_path());
     }
 
     return std::make_shared<StorageFileBlockOutputStream>(
@@ -635,8 +631,8 @@ void StorageFile::rename(const String & new_path_to_table_data, const StorageID
     if (path_new == paths[0])
         return;
 
-    Poco::File(Poco::Path(path_new).parent()).createDirectories();
-    Poco::File(paths[0]).renameTo(path_new);
+    fs::create_directories(fs::path(path_new).parent_path());
+    fs::rename(paths[0], path_new);
 
     paths[0] = std::move(path_new);
     renameInMemory(new_table_id);
@@ -658,7 +654,7 @@ void StorageFile::truncate(
     }
     else
     {
-        if (!Poco::File(paths[0]).exists())
+        if (!fs::exists(paths[0]))
             return;
 
         if (0 != ::truncate(paths[0].c_str(), 0))
diff --git a/src/Storages/StorageFile.h b/src/Storages/StorageFile.h
index a277dda7cc0..b30e5eeb5d8 100644
--- a/src/Storages/StorageFile.h
+++ b/src/Storages/StorageFile.h
@@ -1,10 +1,6 @@
 #pragma once
 
 #include <Storages/IStorage.h>
-
-#include <Poco/File.h>
-#include <Poco/Path.h>
-
 #include <common/logger_useful.h>
 
 #include <atomic>