diff --git a/include/spdlog/impl/ansicolor_sink.cpp b/include/spdlog/impl/ansicolor_sink.cpp
new file mode 100644
index 00000000..97bbfd8e
--- /dev/null
+++ b/include/spdlog/impl/ansicolor_sink.cpp
@@ -0,0 +1,105 @@
+#ifdef SPDLOG_STATIC_LIB
+#include "spdlog/sinks/ansicolor_sink.h"
+#endif
+
+#include "spdlog/details/os.h"
+
+template<typename TargetStream, typename ConsoleMutex>
+SPDLOG_INLINE spdlog::sinks::ansicolor_sink<TargetStream, ConsoleMutex>::ansicolor_sink()
+    : target_file_(TargetStream::stream())
+    , mutex_(ConsoleMutex::mutex())
+
+{
+    should_do_colors_ = details::os::in_terminal(target_file_) && details::os::is_color_terminal();
+    colors_[level::trace] = white;
+    colors_[level::debug] = cyan;
+    colors_[level::info] = green;
+    colors_[level::warn] = yellow + bold;
+    colors_[level::err] = red + bold;
+    colors_[level::critical] = bold + on_red;
+    colors_[level::off] = reset;
+}
+
+template<typename TargetStream, typename ConsoleMutex>
+SPDLOG_INLINE void spdlog::sinks::ansicolor_sink<TargetStream, ConsoleMutex>::set_color(
+    level::level_enum color_level, const std::string &color)
+{
+    std::lock_guard<mutex_t> lock(mutex_);
+    colors_[color_level] = color;
+}
+
+template<typename TargetStream, typename ConsoleMutex>
+SPDLOG_INLINE void spdlog::sinks::ansicolor_sink<TargetStream, ConsoleMutex>::log(const details::log_msg &msg)
+{
+    // Wrap the originally formatted message in color codes.
+    // If color is not supported in the terminal, log as is instead.
+    std::lock_guard<mutex_t> lock(mutex_);
+
+    fmt::memory_buffer formatted;
+    formatter_->format(msg, formatted);
+    if (should_do_colors_ && msg.color_range_end > msg.color_range_start)
+    {
+        // before color range
+        print_range_(formatted, 0, msg.color_range_start);
+        // in color range
+        print_ccode_(colors_[msg.level]);
+        print_range_(formatted, msg.color_range_start, msg.color_range_end);
+        print_ccode_(reset);
+        // after color range
+        print_range_(formatted, msg.color_range_end, formatted.size());
+    }
+    else // no color
+    {
+        print_range_(formatted, 0, formatted.size());
+    }
+    fflush(target_file_);
+}
+
+template<typename TargetStream, typename ConsoleMutex>
+SPDLOG_INLINE void spdlog::sinks::ansicolor_sink<TargetStream, ConsoleMutex>::flush()
+{
+    std::lock_guard<mutex_t> lock(mutex_);
+    fflush(target_file_);
+}
+
+template<typename TargetStream, typename ConsoleMutex>
+SPDLOG_INLINE void spdlog::sinks::ansicolor_sink<TargetStream, ConsoleMutex>::set_pattern(const std::string &pattern)
+{
+    std::lock_guard<mutex_t> lock(mutex_);
+    formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
+}
+
+template<typename TargetStream, typename ConsoleMutex>
+SPDLOG_INLINE void spdlog::sinks::ansicolor_sink<TargetStream, ConsoleMutex>::set_formatter(
+    std::unique_ptr<spdlog::formatter> sink_formatter)
+{
+    std::lock_guard<mutex_t> lock(mutex_);
+    formatter_ = std::move(sink_formatter);
+}
+
+template<typename TargetStream, typename ConsoleMutex>
+SPDLOG_INLINE bool spdlog::sinks::ansicolor_sink<TargetStream, ConsoleMutex>::should_color()
+{
+    return should_do_colors_;
+}
+
+template<typename TargetStream, typename ConsoleMutex>
+SPDLOG_INLINE void spdlog::sinks::ansicolor_sink<TargetStream, ConsoleMutex>::print_ccode_(const std::string &color_code)
+{
+    fwrite(color_code.data(), sizeof(char), color_code.size(), target_file_);
+}
+
+template<typename TargetStream, typename ConsoleMutex>
+SPDLOG_INLINE void spdlog::sinks::ansicolor_sink<TargetStream, ConsoleMutex>::print_range_(
+    const fmt::memory_buffer &formatted, size_t start, size_t end)
+{
+    fwrite(formatted.data() + start, sizeof(char), end - start, target_file_);
+}
+
+// template instantiate stdout_mt, stdout_st
+template class spdlog::sinks::ansicolor_sink<spdlog::details::console_stdout, spdlog::details::console_mutex>;
+template class spdlog::sinks::ansicolor_sink<spdlog::details::console_stdout, spdlog::details::console_nullmutex>;
+
+// template instantiate stderr_mt, stderr_st
+template class spdlog::sinks::ansicolor_sink<spdlog::details::console_stderr, spdlog::details::console_mutex>;
+template class spdlog::sinks::ansicolor_sink<spdlog::details::console_stderr, spdlog::details::console_nullmutex>;
diff --git a/include/spdlog/impl/base_sink.cpp b/include/spdlog/impl/base_sink.cpp
index 13b16ab2..e3b5b125 100644
--- a/include/spdlog/impl/base_sink.cpp
+++ b/include/spdlog/impl/base_sink.cpp
@@ -10,45 +10,42 @@ template class spdlog::sinks::base_sink<spdlog::details::null_mutex>;
 #include "spdlog/common.h"
 #include "spdlog/details/pattern_formatter.h"
 
-template <typename Mutex>
+template<typename Mutex>
 void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::log(const details::log_msg &msg)
 {
     std::lock_guard<Mutex> lock(mutex_);
     sink_it_(msg);
 }
 
-template <typename Mutex>
+template<typename Mutex>
 void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::flush()
 {
     std::lock_guard<Mutex> lock(mutex_);
     flush_();
 }
 
-template <typename Mutex>
+template<typename Mutex>
 void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::set_pattern(const std::string &pattern)
 {
     std::lock_guard<Mutex> lock(mutex_);
     set_pattern_(pattern);
 }
 
-template <typename Mutex>
+template<typename Mutex>
 void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter)
 {
     std::lock_guard<Mutex> lock(mutex_);
     set_formatter_(std::move(sink_formatter));
 }
 
-template <typename Mutex>
+template<typename Mutex>
 void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::set_pattern_(const std::string &pattern)
 {
     set_formatter_(details::make_unique<spdlog::pattern_formatter>(pattern));
 }
 
-template <typename Mutex>
+template<typename Mutex>
 void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter)
 {
     formatter_ = std::move(sink_formatter);
 }
-
-
-
diff --git a/include/spdlog/sinks/ansicolor_sink.h b/include/spdlog/sinks/ansicolor_sink.h
index 1cb797ba..44d5a287 100644
--- a/include/spdlog/sinks/ansicolor_sink.h
+++ b/include/spdlog/sinks/ansicolor_sink.h
@@ -11,9 +11,7 @@
 
 #include "spdlog/details/console_globals.h"
 #include "spdlog/details/null_mutex.h"
-#include "spdlog/details/os.h"
 #include "spdlog/sinks/sink.h"
-
 #include <memory>
 #include <mutex>
 #include <string>
@@ -28,36 +26,22 @@ namespace sinks {
  * of the message.
  * If no color terminal detected, omit the escape codes.
  */
-template<typename TargetStream, class ConsoleMutex>
+template<typename TargetStream, typename ConsoleMutex>
 class ansicolor_sink final : public sink
 {
 public:
     using mutex_t = typename ConsoleMutex::mutex_t;
-    ansicolor_sink()
-        : target_file_(TargetStream::stream())
-        , mutex_(ConsoleMutex::mutex())
-
-    {
-        should_do_colors_ = details::os::in_terminal(target_file_) && details::os::is_color_terminal();
-        colors_[level::trace] = white;
-        colors_[level::debug] = cyan;
-        colors_[level::info] = green;
-        colors_[level::warn] = yellow + bold;
-        colors_[level::err] = red + bold;
-        colors_[level::critical] = bold + on_red;
-        colors_[level::off] = reset;
-    }
-
+    ansicolor_sink();
     ~ansicolor_sink() override = default;
 
     ansicolor_sink(const ansicolor_sink &other) = delete;
     ansicolor_sink &operator=(const ansicolor_sink &other) = delete;
-
-    void set_color(level::level_enum color_level, const std::string &color)
-    {
-        std::lock_guard<mutex_t> lock(mutex_);
-        colors_[color_level] = color;
-    }
+    void set_color(level::level_enum color_level, const std::string &color);
+    void log(const details::log_msg &msg) override;
+    void flush() override;
+    void set_pattern(const std::string &pattern) final;
+    void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override;
+    bool should_color();
 
     /// Formatting codes
     const std::string reset = "\033[m";
@@ -89,70 +73,13 @@ public:
     const std::string on_cyan = "\033[46m";
     const std::string on_white = "\033[47m";
 
-    void log(const details::log_msg &msg) override
-    {
-        // Wrap the originally formatted message in color codes.
-        // If color is not supported in the terminal, log as is instead.
-        std::lock_guard<mutex_t> lock(mutex_);
-
-        fmt::memory_buffer formatted;
-        formatter_->format(msg, formatted);
-        if (should_do_colors_ && msg.color_range_end > msg.color_range_start)
-        {
-            // before color range
-            print_range_(formatted, 0, msg.color_range_start);
-            // in color range
-            print_ccode_(colors_[msg.level]);
-            print_range_(formatted, msg.color_range_start, msg.color_range_end);
-            print_ccode_(reset);
-            // after color range
-            print_range_(formatted, msg.color_range_end, formatted.size());
-        }
-        else // no color
-        {
-            print_range_(formatted, 0, formatted.size());
-        }
-        fflush(target_file_);
-    }
-
-    void flush() override
-    {
-        std::lock_guard<mutex_t> lock(mutex_);
-        fflush(target_file_);
-    }
-
-    void set_pattern(const std::string &pattern) final
-    {
-        std::lock_guard<mutex_t> lock(mutex_);
-        formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
-    }
-
-    void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override
-    {
-        std::lock_guard<mutex_t> lock(mutex_);
-        formatter_ = std::move(sink_formatter);
-    }
-
-    bool should_color()
-    {
-        return should_do_colors_;
-    }
-
 private:
-    void print_ccode_(const std::string &color_code)
-    {
-        fwrite(color_code.data(), sizeof(char), color_code.size(), target_file_);
-    }
-    void print_range_(const fmt::memory_buffer &formatted, size_t start, size_t end)
-    {
-        fwrite(formatted.data() + start, sizeof(char), end - start, target_file_);
-    }
-
     FILE *target_file_;
     mutex_t &mutex_;
-
     bool should_do_colors_;
     std::unordered_map<level::level_enum, std::string, level::level_hasher> colors_;
+    void print_ccode_(const std::string &color_code);
+    void print_range_(const fmt::memory_buffer &formatted, size_t start, size_t end);
 };
 
 using ansicolor_stdout_sink_mt = ansicolor_sink<details::console_stdout, details::console_mutex>;
@@ -162,5 +89,8 @@ using ansicolor_stderr_sink_mt = ansicolor_sink<details::console_stderr, details
 using ansicolor_stderr_sink_st = ansicolor_sink<details::console_stderr, details::console_nullmutex>;
 
 } // namespace sinks
-
 } // namespace spdlog
+
+#ifndef SPDLOG_STATIC_LIB
+#include "spdlog/impl/ansicolor_sink.cpp"
+#endif
\ No newline at end of file
diff --git a/include/spdlog/sinks/base_sink.h b/include/spdlog/sinks/base_sink.h
index 2ed1730a..000a6e20 100644
--- a/include/spdlog/sinks/base_sink.h
+++ b/include/spdlog/sinks/base_sink.h
@@ -25,7 +25,8 @@ public:
     base_sink(const base_sink &) = delete;
     base_sink &operator=(const base_sink &) = delete;
     void log(const details::log_msg &msg) final;
-    void flush() final;void set_pattern(const std::string &pattern) final;
+    void flush() final;
+    void set_pattern(const std::string &pattern) final;
     void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) final;
 
 protected:
@@ -38,7 +39,6 @@ protected:
 } // namespace sinks
 } // namespace spdlog
 
-
 #ifndef SPDLOG_STATIC_LIB
 #include "spdlog/impl/base_sink.cpp"
 #endif
\ No newline at end of file