diff --git a/include/spdlog/sinks/rotating_file_sink-inl.h b/include/spdlog/sinks/rotating_file_sink-inl.h
index 17a4ee93..db13a738 100644
--- a/include/spdlog/sinks/rotating_file_sink-inl.h
+++ b/include/spdlog/sinks/rotating_file_sink-inl.h
@@ -16,7 +16,6 @@
 #include <string>
 #include <tuple>
 
-
 namespace spdlog {
 namespace sinks {
 
@@ -54,8 +53,6 @@ SPDLOG_INLINE filename_t rotating_file_sink<Mutex>::calc_filename(const filename
     return fmt::to_string(w);
 }
 
-
-
 template<typename Mutex>
 SPDLOG_INLINE const filename_t &rotating_file_sink<Mutex>::filename() const
 {
diff --git a/include/spdlog/sinks/rotating_file_sink.h b/include/spdlog/sinks/rotating_file_sink.h
index 0ce71a61..a454086b 100644
--- a/include/spdlog/sinks/rotating_file_sink.h
+++ b/include/spdlog/sinks/rotating_file_sink.h
@@ -2,6 +2,7 @@
 // Distributed under the MIT License (http://opensource.org/licenses/MIT)
 
 #pragma once
+
 #ifndef SPDLOG_H
 #include "spdlog/spdlog.h"
 #endif
@@ -27,12 +28,10 @@ public:
     static filename_t calc_filename(const filename_t &filename, std::size_t index);
     const filename_t &filename() const;
 
-
 protected:
     void sink_it_(const details::log_msg &msg) override;
     void flush_() override;
 
-
 private:
     // Rotate files:
     // log.txt -> log.1.txt
@@ -76,7 +75,6 @@ inline std::shared_ptr<logger> rotating_logger_st(
 }
 } // namespace spdlog
 
-
 #ifdef SPDLOG_HEADER_ONLY
 #include "rotating_file_sink-inl.h"
 #endif
\ No newline at end of file
diff --git a/src/spdlog.cpp b/src/spdlog.cpp
index c5fbf8f0..4a16a0d9 100644
--- a/src/spdlog.cpp
+++ b/src/spdlog.cpp
@@ -16,6 +16,9 @@
 
 #include "spdlog/logger.h"
 #include "spdlog/logger-inl.h"
+template class std::shared_ptr<spdlog::sinks::sink>;
+template class std::function<void(const std::string &err_msg)>;
+template spdlog::logger::logger(std::string name, sinks_init_list::iterator begin, sinks_init_list::iterator end);
 
 #include "spdlog/async_logger.h"
 #include "spdlog/async_logger-inl.h"
@@ -80,36 +83,22 @@ template FMT_API internal::locale_ref::locale_ref(const std::locale &loc);
 template FMT_API std::locale internal::locale_ref::get<std::locale>() const;
 
 // Explicit instantiations for char.
-
 template FMT_API char internal::thousands_sep_impl(locale_ref);
-
 template FMT_API void internal::basic_buffer<char>::append(const char *, const char *);
-
 template FMT_API void internal::arg_map<format_context>::init(const basic_format_args<format_context> &args);
-
 template FMT_API int internal::char_traits<char>::format_float(char *, std::size_t, const char *, int, double);
-
 template FMT_API int internal::char_traits<char>::format_float(char *, std::size_t, const char *, int, long double);
-
 template FMT_API std::string internal::vformat<char>(string_view, basic_format_args<format_context>);
-
 template FMT_API format_context::iterator internal::vformat_to(internal::buffer &, string_view, basic_format_args<format_context>);
-
 template FMT_API void internal::sprintf_format(double, internal::buffer &, core_format_specs);
 template FMT_API void internal::sprintf_format(long double, internal::buffer &, core_format_specs);
 
 // Explicit instantiations for wchar_t.
-
 template FMT_API wchar_t internal::thousands_sep_impl(locale_ref);
-
 template FMT_API void internal::basic_buffer<wchar_t>::append(const wchar_t *, const wchar_t *);
-
 template FMT_API void internal::arg_map<wformat_context>::init(const basic_format_args<wformat_context> &);
-
 template FMT_API int internal::char_traits<wchar_t>::format_float(wchar_t *, std::size_t, const wchar_t *, int, double);
-
 template FMT_API int internal::char_traits<wchar_t>::format_float(wchar_t *, std::size_t, const wchar_t *, int, long double);
-
 template FMT_API std::wstring internal::vformat<wchar_t>(wstring_view, basic_format_args<wformat_context>);
 FMT_END_NAMESPACE