diff --git a/td/mtproto/TlsInit.cpp b/td/mtproto/TlsInit.cpp
index c07732294..e67df4049 100644
--- a/td/mtproto/TlsInit.cpp
+++ b/td/mtproto/TlsInit.cpp
@@ -304,7 +304,6 @@ class TlsHelloStore {
               x = get_double_x(x, mod, big_num_context);
             }
             key.copy_from(x.to_le_binary(32));
-            LOG(ERROR) << td::format::as_hex_dump<0>(td::Slice(key));
             break;
           }
         }
diff --git a/td/telegram/WebPageBlock.cpp b/td/telegram/WebPageBlock.cpp
index bafe20934..efa6dd85b 100644
--- a/td/telegram/WebPageBlock.cpp
+++ b/td/telegram/WebPageBlock.cpp
@@ -13,6 +13,7 @@
 #include "td/telegram/ChannelId.h"
 #include "td/telegram/ContactsManager.h"
 #include "td/telegram/DialogId.h"
+#include "td/telegram/Document.h"
 #include "td/telegram/DocumentsManager.h"
 #include "td/telegram/DocumentsManager.hpp"
 #include "td/telegram/files/FileId.h"
diff --git a/td/telegram/files/FileManager.cpp b/td/telegram/files/FileManager.cpp
index c841c4d7e..62188c08a 100644
--- a/td/telegram/files/FileManager.cpp
+++ b/td/telegram/files/FileManager.cpp
@@ -892,7 +892,7 @@ Status FileManager::check_local_location(FileNodePtr node) {
   return status;
 }
 
-bool FileManager::try_fix_parital_local_location(FileNodePtr node) {
+bool FileManager::try_fix_partial_local_location(FileNodePtr node) {
   LOG(INFO) << "Trying to fix partial local location";
   if (node->local_.type() != LocalFileLocation::Type::Partial) {
     LOG(INFO) << "   failed - not a partial location";
@@ -3447,7 +3447,7 @@ void FileManager::on_error_impl(FileNodePtr node, FileManager::Query::Type type,
       run_download(node);
       return;
     } else if (ends_with(status.message(), "INCREASE_PART_SIZE")) {
-      if (try_fix_parital_local_location(node)) {
+      if (try_fix_partial_local_location(node)) {
         run_download(node);
         return;
       }
diff --git a/td/telegram/files/FileManager.h b/td/telegram/files/FileManager.h
index 4acd06a9c..18d127b87 100644
--- a/td/telegram/files/FileManager.h
+++ b/td/telegram/files/FileManager.h
@@ -564,7 +564,7 @@ class FileManager : public FileLoadManager::Callback {
   FileId register_pmc_file_data(FileData &&data);
 
   Status check_local_location(FileNodePtr node);
-  bool try_fix_parital_local_location(FileNodePtr node);
+  bool try_fix_partial_local_location(FileNodePtr node);
   Status check_local_location(FullLocalFileLocation &location, int64 &size);
   void try_flush_node_full(FileNodePtr node, bool new_remote, bool new_local, bool new_generate, FileDbId other_pmc_id);
   void try_flush_node(FileNodePtr node, const char *source);
diff --git a/td/telegram/net/ConnectionCreator.cpp b/td/telegram/net/ConnectionCreator.cpp
index caf79976b..8a7c9db26 100644
--- a/td/telegram/net/ConnectionCreator.cpp
+++ b/td/telegram/net/ConnectionCreator.cpp
@@ -295,6 +295,7 @@ ActorId<GetHostByNameActor> ConnectionCreator::get_dns_resolver() {
 }
 
 void ConnectionCreator::ping_proxy(int32 proxy_id, Promise<double> promise) {
+  CHECK(!close_flag_);
   if (proxy_id == 0) {
     auto main_dc_id = G()->net_query_dispatcher().main_dc_id();
     bool prefer_ipv6 = G()->shared_config().get_option_boolean("prefer_ipv6");
diff --git a/tdutils/td/utils/BigNum.cpp b/tdutils/td/utils/BigNum.cpp
index 687482e21..c4ac3dc0a 100644
--- a/tdutils/td/utils/BigNum.cpp
+++ b/tdutils/td/utils/BigNum.cpp
@@ -16,6 +16,8 @@ char disable_linker_warning_about_empty_file_bignum_cpp TD_UNUSED;
 #include <openssl/bn.h>
 #include <openssl/crypto.h>
 
+#include <algorithm>
+
 namespace td {
 
 class BigNumContext::Impl {