diff --git a/GUI/extenwindow.cpp b/GUI/extenwindow.cpp
index 1f3c4a3..180dae0 100644
--- a/GUI/extenwindow.cpp
+++ b/GUI/extenwindow.cpp
@@ -36,7 +36,7 @@ namespace
 		{
 			if (HMODULE module = LoadLibraryW(S(extenName).c_str()))
 			{
-				if (auto callback = (decltype(Extension::callback))GetProcAddress(LoadLibraryOnce(S(extenName)), "OnNewSentence"))
+				if (auto callback = (decltype(Extension::callback))GetProcAddress(module, "OnNewSentence"))
 				{
 					std::scoped_lock writeLock(extenMutex);
 					extensions.push_back({ S(extenName), callback });
diff --git a/GUI/extenwindow.h b/GUI/extenwindow.h
index a5a3f5f..67c8c38 100644
--- a/GUI/extenwindow.h
+++ b/GUI/extenwindow.h
@@ -34,5 +34,3 @@ private:
 
 	Ui::ExtenWindow* ui;
 };
-
-inline HMODULE LoadLibraryOnce(std::wstring fileName) { if (HMODULE module = GetModuleHandleW(fileName.c_str())) return module; return LoadLibraryW(fileName.c_str()); }
diff --git a/GUI/mainwindow.cpp b/GUI/mainwindow.cpp
index c1e72b7..203fffc 100644
--- a/GUI/mainwindow.cpp
+++ b/GUI/mainwindow.cpp
@@ -309,7 +309,7 @@ void MainWindow::LaunchProcess()
 	PROCESS_INFORMATION info = {};
 	if (!x64 && QMessageBox::question(this, SELECT_PROCESS, USE_JP_LOCALE) == QMessageBox::Yes)
 	{
-		if (HMODULE localeEmulator = LoadLibraryOnce(L"LoaderDll"))
+		if (HMODULE localeEmulator = LoadLibraryW(L"LoaderDll"))
 		{
 			// see https://github.com/xupefei/Locale-Emulator/blob/aa99dec3b25708e676c90acf5fed9beaac319160/LEProc/LoaderWrapper.cs#L252
 			struct
diff --git a/GUI/mainwindow.h b/GUI/mainwindow.h
index ce998a0..198b93b 100644
--- a/GUI/mainwindow.h
+++ b/GUI/mainwindow.h
@@ -19,8 +19,6 @@ private:
 	inline static constexpr auto HOOK_SAVE_FILE = u8"SavedHooks.txt";
 	inline static constexpr auto GAME_SAVE_FILE = u8"SavedGames.txt";
 
-	inline static thread_local bool ok = false;
-
 	void closeEvent(QCloseEvent*) override;
 	void ProcessConnected(DWORD processId);
 	void ProcessDisconnected(DWORD processId);
diff --git a/extensions/extrawindow.cpp b/extensions/extrawindow.cpp
index 5a26a2c..fcaa4a1 100644
--- a/extensions/extrawindow.cpp
+++ b/extensions/extrawindow.cpp
@@ -59,7 +59,6 @@ protected:
 private:
 	void RequestFont()
 	{
-		bool ok;
 		if (QFont font = QFontDialog::getFont(&ok, ui.display->font(), this, FONT); ok)
 		{
 			settings.setValue(FONT, font.toString());
diff --git a/include/qtcommon.h b/include/qtcommon.h
index 03a28a3..cf4a02c 100644
--- a/include/qtcommon.h
+++ b/include/qtcommon.h
@@ -20,6 +20,8 @@
 #include <QMessageBox>
 #include <QInputDialog>
 
+static thread_local bool ok;
+
 struct QTextFile : QFile { QTextFile(QString name, QIODevice::OpenMode mode) : QFile(name) { open(mode | QIODevice::Text); } };
 inline std::wstring S(const QString& S) { return { S.toStdWString() }; }
 inline QString S(const std::string& S) { return QString::fromStdString(S); }