diff --git a/tdactor/td/actor/impl2/Scheduler.h b/tdactor/td/actor/impl2/Scheduler.h
index 22b7bc058..9d5783b16 100644
--- a/tdactor/td/actor/impl2/Scheduler.h
+++ b/tdactor/td/actor/impl2/Scheduler.h
@@ -212,7 +212,7 @@ class ActorMailbox {
     queue_.push_unsafe(std::move(message));
   }
 
-  auto &reader() {
+  td::MpscLinkQueue<ActorMessage>::Reader &reader() {
     return reader_;
   }
 
@@ -1162,11 +1162,11 @@ class ActorMessageHangup : public ActorMessageImpl {
 class ActorMessageCreator {
  public:
   template <class F>
-  static auto lambda(F &&f) {
+  static ActorMessage lambda(F &&f) {
     return ActorMessage(std::make_unique<ActorMessageLambda<F>>(std::forward<F>(f)));
   }
 
-  static auto hangup() {
+  static ActorMessage hangup() {
     return ActorMessage(std::make_unique<ActorMessageHangup>());
   }
 
diff --git a/tdutils/td/utils/MpscLinkQueue.h b/tdutils/td/utils/MpscLinkQueue.h
index 6eb15d22a..bf50ce24e 100644
--- a/tdutils/td/utils/MpscLinkQueue.h
+++ b/tdutils/td/utils/MpscLinkQueue.h
@@ -152,7 +152,7 @@ class MpscLinkQueueUniquePtrNode {
   explicit MpscLinkQueueUniquePtrNode(std::unique_ptr<Value> ptr) : ptr_(std::move(ptr)) {
   }
 
-  auto to_mpsc_link_queue_node() {
+  MpscLinkQueueImpl::Node *to_mpsc_link_queue_node() {
     return ptr_.release()->to_mpsc_link_queue_node();
   }
   static MpscLinkQueueUniquePtrNode<Value> from_mpsc_link_queue_node(td::MpscLinkQueueImpl::Node *node) {
diff --git a/tdutils/td/utils/SharedObjectPool.h b/tdutils/td/utils/SharedObjectPool.h
index 5c8cd76c3..dc8512b26 100644
--- a/tdutils/td/utils/SharedObjectPool.h
+++ b/tdutils/td/utils/SharedObjectPool.h
@@ -264,7 +264,7 @@ class SharedObjectPool {
   };
   friend class Deleter;
 
-  auto deleter() {
+  Deleter deleter() {
     return Deleter(this);
   }
 
diff --git a/tdutils/test/MpscLinkQueue.cpp b/tdutils/test/MpscLinkQueue.cpp
index 7903e99ea..629e5b722 100644
--- a/tdutils/test/MpscLinkQueue.cpp
+++ b/tdutils/test/MpscLinkQueue.cpp
@@ -14,7 +14,7 @@ class NodeX : public td::MpscLinkQueueImpl::Node {
  public:
   explicit NodeX(int value) : value_(value) {
   }
-  auto to_mpsc_link_queue_node() {
+  td::MpscLinkQueueImpl::Node *to_mpsc_link_queue_node() {
     return static_cast<td::MpscLinkQueueImpl::Node *>(this);
   }
   static NodeX *from_mpsc_link_queue_node(td::MpscLinkQueueImpl::Node *node) {