diff --git a/td/telegram/Client.cpp b/td/telegram/Client.cpp
index 3d0bc9db..734ed879 100644
--- a/td/telegram/Client.cpp
+++ b/td/telegram/Client.cpp
@@ -77,7 +77,6 @@ class Client::Impl final {
  private:
   std::deque<Response> responses_;
   std::vector<Request> requests_;
-  int output_queue_ready_cnt_{0};
   std::unique_ptr<ConcurrentScheduler> scheduler_;
   ActorOwn<Td> td_;
   bool closed_ = false;
@@ -87,7 +86,7 @@ class Client::Impl final {
     scheduler_->init(0);
     class Callback : public TdCallback {
      public:
-      Callback(Impl *client) : client_(client) {
+      explicit Callback(Impl *client) : client_(client) {
       }
       void on_result(std::uint64_t id, td_api::object_ptr<td_api::Object> result) override {
         client_->responses_.push_back({id, std::move(result)});
diff --git a/td/telegram/LanguagePackManager.cpp b/td/telegram/LanguagePackManager.cpp
index 724ad060..49986cc8 100644
--- a/td/telegram/LanguagePackManager.cpp
+++ b/td/telegram/LanguagePackManager.cpp
@@ -25,6 +25,7 @@
 #include "td/utils/Status.h"
 
 #include <atomic>
+#include <limits>
 #include <unordered_set>
 #include <utility>
 
diff --git a/tdnet/td/net/HttpInboundConnection.cpp b/tdnet/td/net/HttpInboundConnection.cpp
index f6b4296c..e46d7f89 100644
--- a/tdnet/td/net/HttpInboundConnection.cpp
+++ b/tdnet/td/net/HttpInboundConnection.cpp
@@ -6,6 +6,8 @@
 //
 #include "td/net/HttpInboundConnection.h"
 
+#include "td/net/SslStream.h"
+
 #include "td/utils/logging.h"
 
 namespace td {