diff --git a/core/containers/concurrent_task_queue.h b/core/containers/concurrent_task_queue.h
index 061de52..7eb2ee3 100644
--- a/core/containers/concurrent_task_queue.h
+++ b/core/containers/concurrent_task_queue.h
@@ -15,7 +15,6 @@
 #pragma once
 
 #include "core/containers/task_queue.h"
-#include <trantor/exports.h>
 #include <list>
 #include <memory>
 #include <vector>
@@ -29,7 +28,7 @@ namespace trantor
  * can be called a threads pool.
  *
  */
-class TRANTOR_EXPORT ConcurrentTaskQueue : public TaskQueue
+class ConcurrentTaskQueue : public TaskQueue
 {
   public:
     /**
diff --git a/core/containers/serial_task_queue.h b/core/containers/serial_task_queue.h
index dc900fb..5578b9b 100644
--- a/core/containers/serial_task_queue.h
+++ b/core/containers/serial_task_queue.h
@@ -16,7 +16,6 @@
 
 #include "task_queue.h"
 #include "core/loops/event_loop_thread.h"
-#include <trantor/exports.h>
 #include <string>
 #include <queue>
 #include <mutex>
@@ -28,7 +27,7 @@ namespace trantor
  * by one.
  *
  */
-class TRANTOR_EXPORT SerialTaskQueue : public TaskQueue
+class SerialTaskQueue : public TaskQueue
 {
   public:
     /**
diff --git a/core/loops/timing_wheel.h b/core/loops/timing_wheel.h
index 64b4011..11e90e7 100644
--- a/core/loops/timing_wheel.h
+++ b/core/loops/timing_wheel.h
@@ -16,7 +16,6 @@
 
 #include "core/loops/event_loop.h"
 #include "core/log/logger.h"
-#include <trantor/exports.h>
 #include <map>
 #include <mutex>
 #include <deque>
@@ -42,7 +41,7 @@ using BucketQueue = std::deque<EntryBucket>;
  * accuracy. This is usually used internally.
  *
  */
-class TRANTOR_EXPORT TimingWheel
+class TimingWheel
 {
   public:
     class CallbackEntry
diff --git a/core/net/resolver.h b/core/net/resolver.h
index 71f8232..1d42a0a 100644
--- a/core/net/resolver.h
+++ b/core/net/resolver.h
@@ -6,7 +6,7 @@
 // Author: Tao An
 
 #pragma once
-#include <trantor/exports.h>
+
 #include <memory>
 #include "core/loops/event_loop.h"
 #include "core/net/inet_address.h"
@@ -18,7 +18,7 @@ namespace trantor
  * @note Although the c-ares library is not essential, it is recommended to
  * install it for higher performance
  */
-class TRANTOR_EXPORT Resolver
+class Resolver
 {
   public:
     using Callback = std::function<void(const trantor::InetAddress&)>;
diff --git a/core/net/tcp_client.h b/core/net/tcp_client.h
index c7dd474..587ab9a 100644
--- a/core/net/tcp_client.h
+++ b/core/net/tcp_client.h
@@ -17,14 +17,15 @@
 // Author: Tao An
 
 #pragma once
+
 #include "core/loops/event_loop.h"
 #include "core/net/inet_address.h"
 #include "tcp_connection.h"
-#include <trantor/exports.h>
 #include <functional>
 #include <thread>
 #include <atomic>
 #include <signal.h>
+
 namespace trantor
 {
 class Connector;
@@ -34,7 +35,7 @@ class SSLContext;
  * @brief This class represents a TCP client.
  *
  */
-class TRANTOR_EXPORT TcpClient : NonCopyable
+class TcpClient : NonCopyable
 {
   public:
     /**
diff --git a/core/net/tcp_connection.h b/core/net/tcp_connection.h
index dee1adf..e5ec0af 100644
--- a/core/net/tcp_connection.h
+++ b/core/net/tcp_connection.h
@@ -13,249 +13,241 @@
  */
 
 #pragma once
-#include <trantor/exports.h>
+
+#include "core/containers/msg_buffer.h"
+#include "core/loops/callbacks.h"
 #include "core/loops/event_loop.h"
 #include "core/net/inet_address.h"
 #include <trantor/utils/NonCopyable.h>
-#include "core/containers/msg_buffer.h"
-#include "core/loops/callbacks.h"
-#include <memory>
 #include <functional>
+#include <memory>
 #include <string>
 
-namespace trantor
-{
+namespace trantor {
 class SSLContext;
-TRANTOR_EXPORT std::shared_ptr<SSLContext> newSSLServerContext(
-    const std::string &certPath,
-    const std::string &keyPath,
-    bool useOldTLS = false,
-    const std::vector<std::pair<std::string, std::string>> &sslConfCmds = {});
+std::shared_ptr<SSLContext> newSSLServerContext(
+		const std::string &certPath,
+		const std::string &keyPath,
+		bool useOldTLS = false,
+		const std::vector<std::pair<std::string, std::string> > &sslConfCmds = {});
 /**
  * @brief This class represents a TCP connection.
  *
  */
-class TRANTOR_EXPORT TcpConnection
-{
-  public:
-    TcpConnection() = default;
-    virtual ~TcpConnection(){};
+class TcpConnection {
+public:
+	TcpConnection() = default;
+	virtual ~TcpConnection(){};
 
-    /**
-     * @brief Send some data to the peer.
-     *
-     * @param msg
-     * @param len
-     */
-    virtual void send(const char *msg, size_t len) = 0;
-    virtual void send(const void *msg, size_t len) = 0;
-    virtual void send(const std::string &msg) = 0;
-    virtual void send(std::string &&msg) = 0;
-    virtual void send(const MsgBuffer &buffer) = 0;
-    virtual void send(MsgBuffer &&buffer) = 0;
-    virtual void send(const std::shared_ptr<std::string> &msgPtr) = 0;
-    virtual void send(const std::shared_ptr<MsgBuffer> &msgPtr) = 0;
+	/**
+	 * @brief Send some data to the peer.
+	 *
+	 * @param msg
+	 * @param len
+	 */
+	virtual void send(const char *msg, size_t len) = 0;
+	virtual void send(const void *msg, size_t len) = 0;
+	virtual void send(const std::string &msg) = 0;
+	virtual void send(std::string &&msg) = 0;
+	virtual void send(const MsgBuffer &buffer) = 0;
+	virtual void send(MsgBuffer &&buffer) = 0;
+	virtual void send(const std::shared_ptr<std::string> &msgPtr) = 0;
+	virtual void send(const std::shared_ptr<MsgBuffer> &msgPtr) = 0;
 
-    /**
-     * @brief Send a file to the peer.
-     *
-     * @param fileName
-     * @param offset
-     * @param length
-     */
-    virtual void sendFile(const char *fileName,
-                          size_t offset = 0,
-                          size_t length = 0) = 0;
+	/**
+	 * @brief Send a file to the peer.
+	 *
+	 * @param fileName
+	 * @param offset
+	 * @param length
+	 */
+	virtual void sendFile(const char *fileName,
+			size_t offset = 0,
+			size_t length = 0) = 0;
 
-    /**
-     * @brief Get the local address of the connection.
-     *
-     * @return const InetAddress&
-     */
-    virtual const InetAddress &localAddr() const = 0;
+	/**
+	 * @brief Get the local address of the connection.
+	 *
+	 * @return const InetAddress&
+	 */
+	virtual const InetAddress &localAddr() const = 0;
 
-    /**
-     * @brief Get the remote address of the connection.
-     *
-     * @return const InetAddress&
-     */
-    virtual const InetAddress &peerAddr() const = 0;
+	/**
+	 * @brief Get the remote address of the connection.
+	 *
+	 * @return const InetAddress&
+	 */
+	virtual const InetAddress &peerAddr() const = 0;
 
-    /**
-     * @brief Return true if the connection is established.
-     *
-     * @return true
-     * @return false
-     */
-    virtual bool connected() const = 0;
+	/**
+	 * @brief Return true if the connection is established.
+	 *
+	 * @return true
+	 * @return false
+	 */
+	virtual bool connected() const = 0;
 
-    /**
-     * @brief Return false if the connection is established.
-     *
-     * @return true
-     * @return false
-     */
-    virtual bool disconnected() const = 0;
+	/**
+	 * @brief Return false if the connection is established.
+	 *
+	 * @return true
+	 * @return false
+	 */
+	virtual bool disconnected() const = 0;
 
-    /**
-     * @brief Get the buffer in which the received data stored.
-     *
-     * @return MsgBuffer*
-     */
-    virtual MsgBuffer *getRecvBuffer() = 0;
+	/**
+	 * @brief Get the buffer in which the received data stored.
+	 *
+	 * @return MsgBuffer*
+	 */
+	virtual MsgBuffer *getRecvBuffer() = 0;
 
-    /**
-     * @brief Set the high water mark callback
-     *
-     * @param cb The callback is called when the data in sending buffer is
-     * larger than the water mark.
-     * @param markLen The water mark in bytes.
-     */
-    virtual void setHighWaterMarkCallback(const HighWaterMarkCallback &cb,
-                                          size_t markLen) = 0;
+	/**
+	 * @brief Set the high water mark callback
+	 *
+	 * @param cb The callback is called when the data in sending buffer is
+	 * larger than the water mark.
+	 * @param markLen The water mark in bytes.
+	 */
+	virtual void setHighWaterMarkCallback(const HighWaterMarkCallback &cb,
+			size_t markLen) = 0;
 
-    /**
-     * @brief Set the TCP_NODELAY option to the socket.
-     *
-     * @param on
-     */
-    virtual void setTcpNoDelay(bool on) = 0;
+	/**
+	 * @brief Set the TCP_NODELAY option to the socket.
+	 *
+	 * @param on
+	 */
+	virtual void setTcpNoDelay(bool on) = 0;
 
-    /**
-     * @brief Shutdown the connection.
-     * @note This method only closes the writing direction.
-     */
-    virtual void shutdown() = 0;
+	/**
+	 * @brief Shutdown the connection.
+	 * @note This method only closes the writing direction.
+	 */
+	virtual void shutdown() = 0;
 
-    /**
-     * @brief Close the connection forcefully.
-     *
-     */
-    virtual void forceClose() = 0;
+	/**
+	 * @brief Close the connection forcefully.
+	 *
+	 */
+	virtual void forceClose() = 0;
 
-    /**
-     * @brief Get the event loop in which the connection I/O is handled.
-     *
-     * @return EventLoop*
-     */
-    virtual EventLoop *getLoop() = 0;
+	/**
+	 * @brief Get the event loop in which the connection I/O is handled.
+	 *
+	 * @return EventLoop*
+	 */
+	virtual EventLoop *getLoop() = 0;
 
-    /**
-     * @brief Set the custom data on the connection.
-     *
-     * @param context
-     */
-    void setContext(const std::shared_ptr<void> &context)
-    {
-        contextPtr_ = context;
-    }
-    void setContext(std::shared_ptr<void> &&context)
-    {
-        contextPtr_ = std::move(context);
-    }
+	/**
+	 * @brief Set the custom data on the connection.
+	 *
+	 * @param context
+	 */
+	void setContext(const std::shared_ptr<void> &context) {
+		contextPtr_ = context;
+	}
+	void setContext(std::shared_ptr<void> &&context) {
+		contextPtr_ = std::move(context);
+	}
 
-    /**
-     * @brief Get the custom data from the connection.
-     *
-     * @tparam T
-     * @return std::shared_ptr<T>
-     */
-    template <typename T>
-    std::shared_ptr<T> getContext() const
-    {
-        return std::static_pointer_cast<T>(contextPtr_);
-    }
+	/**
+	 * @brief Get the custom data from the connection.
+	 *
+	 * @tparam T
+	 * @return std::shared_ptr<T>
+	 */
+	template <typename T>
+	std::shared_ptr<T> getContext() const {
+		return std::static_pointer_cast<T>(contextPtr_);
+	}
 
-    /**
-     * @brief Return true if the custom data is set by user.
-     *
-     * @return true
-     * @return false
-     */
-    bool hasContext() const
-    {
-        return (bool)contextPtr_;
-    }
+	/**
+	 * @brief Return true if the custom data is set by user.
+	 *
+	 * @return true
+	 * @return false
+	 */
+	bool hasContext() const {
+		return (bool)contextPtr_;
+	}
 
-    /**
-     * @brief Clear the custom data.
-     *
-     */
-    void clearContext()
-    {
-        contextPtr_.reset();
-    }
+	/**
+	 * @brief Clear the custom data.
+	 *
+	 */
+	void clearContext() {
+		contextPtr_.reset();
+	}
 
-    /**
-     * @brief Call this method to avoid being kicked off by TcpServer, refer to
-     * the kickoffIdleConnections method in the TcpServer class.
-     *
-     */
-    virtual void keepAlive() = 0;
+	/**
+	 * @brief Call this method to avoid being kicked off by TcpServer, refer to
+	 * the kickoffIdleConnections method in the TcpServer class.
+	 *
+	 */
+	virtual void keepAlive() = 0;
 
-    /**
-     * @brief Return true if the keepAlive() method is called.
-     *
-     * @return true
-     * @return false
-     */
-    virtual bool isKeepAlive() = 0;
+	/**
+	 * @brief Return true if the keepAlive() method is called.
+	 *
+	 * @return true
+	 * @return false
+	 */
+	virtual bool isKeepAlive() = 0;
 
-    /**
-     * @brief Return the number of bytes sent
-     *
-     * @return size_t
-     */
-    virtual size_t bytesSent() const = 0;
+	/**
+	 * @brief Return the number of bytes sent
+	 *
+	 * @return size_t
+	 */
+	virtual size_t bytesSent() const = 0;
 
-    /**
-     * @brief Return the number of bytes received.
-     *
-     * @return size_t
-     */
-    virtual size_t bytesReceived() const = 0;
+	/**
+	 * @brief Return the number of bytes received.
+	 *
+	 * @return size_t
+	 */
+	virtual size_t bytesReceived() const = 0;
 
-    /**
-     * @brief Check whether the connection is SSL encrypted.
-     *
-     * @return true
-     * @return false
-     */
-    virtual bool isSSLConnection() const = 0;
+	/**
+	 * @brief Check whether the connection is SSL encrypted.
+	 *
+	 * @return true
+	 * @return false
+	 */
+	virtual bool isSSLConnection() const = 0;
 
-    /**
-     * @brief Start the SSL encryption on the connection (as a client).
-     *
-     * @param callback The callback is called when the SSL connection is
-     * established.
-     * @param hostname The server hostname for SNI. If it is empty, the SNI is
-     * not used.
-     * @param sslConfCmds The commands used to call the SSL_CONF_cmd function in
-     * OpenSSL.
-     */
-    virtual void startClientEncryption(
-        std::function<void()> callback,
-        bool useOldTLS = false,
-        bool validateCert = true,
-        std::string hostname = "",
-        const std::vector<std::pair<std::string, std::string>> &sslConfCmds =
-            {}) = 0;
+	/**
+	 * @brief Start the SSL encryption on the connection (as a client).
+	 *
+	 * @param callback The callback is called when the SSL connection is
+	 * established.
+	 * @param hostname The server hostname for SNI. If it is empty, the SNI is
+	 * not used.
+	 * @param sslConfCmds The commands used to call the SSL_CONF_cmd function in
+	 * OpenSSL.
+	 */
+	virtual void startClientEncryption(
+			std::function<void()> callback,
+			bool useOldTLS = false,
+			bool validateCert = true,
+			std::string hostname = "",
+			const std::vector<std::pair<std::string, std::string> > &sslConfCmds = {}) = 0;
 
-    /**
-     * @brief Start the SSL encryption on the connection (as a server).
-     *
-     * @param ctx The SSL context.
-     * @param callback The callback is called when the SSL connection is
-     * established.
-     */
-    virtual void startServerEncryption(const std::shared_ptr<SSLContext> &ctx,
-                                       std::function<void()> callback) = 0;
+	/**
+	 * @brief Start the SSL encryption on the connection (as a server).
+	 *
+	 * @param ctx The SSL context.
+	 * @param callback The callback is called when the SSL connection is
+	 * established.
+	 */
+	virtual void startServerEncryption(const std::shared_ptr<SSLContext> &ctx,
+			std::function<void()> callback) = 0;
 
-  protected:
-    bool validateCert_ = false;
+protected:
+	bool validateCert_ = false;
 
-  private:
-    std::shared_ptr<void> contextPtr_;
+private:
+	std::shared_ptr<void> contextPtr_;
 };
 
-}  // namespace trantor
+} // namespace trantor
diff --git a/core/net/tcp_server.h b/core/net/tcp_server.h
index 3396f89..f7afd8f 100644
--- a/core/net/tcp_server.h
+++ b/core/net/tcp_server.h
@@ -20,7 +20,6 @@
 #include "core/net/inet_address.h"
 #include "core/net/tcp_connection.h"
 #include "core/loops/timing_wheel.h"
-#include <trantor/exports.h>
 #include <string>
 #include <memory>
 #include <set>
@@ -33,7 +32,7 @@ class SSLContext;
  * @brief This class represents a TCP server.
  *
  */
-class TRANTOR_EXPORT TcpServer : NonCopyable
+class TcpServer : NonCopyable
 {
   public:
     /**