fix some GCC warnings

3 files changed, 4 insertions, 5 deletions

diff --git a/api/plugin-api.cpp b/api/plugin-api.cpp
index 6a43b55d..4d8d90e9 100644
--- a/api/plugin-api.cpp
+++ b/api/plugin-api.cpp
@@ -21,7 +21,7 @@ void BaseDialog::done(int)
 bool BaseDialog::embeddable() noexcept { return false; }
 void BaseDialog::save() {}
 void BaseDialog::reload() {}
-void BaseDialog::set_buttons_visible(bool x) {}
+void BaseDialog::set_buttons_visible(bool) {}
 
 } // ns plugin_api::detail
 
@@ -36,13 +36,13 @@ IFilter::IFilter() = default;
 IFilter::~IFilter() = default;
 IFilterDialog::IFilterDialog() = default;
 IFilterDialog::~IFilterDialog() = default;
-void IFilterDialog::register_filter(IFilter* filter) {}
+void IFilterDialog::register_filter(IFilter*) {}
 void IFilterDialog::unregister_filter() {}
 IProtocol::IProtocol() = default;
 IProtocol::~IProtocol() = default;
 IProtocolDialog::IProtocolDialog() = default;
 IProtocolDialog::~IProtocolDialog() = default;
-void IProtocolDialog::register_protocol(IProtocol* protocol){}
+void IProtocolDialog::register_protocol(IProtocol*){}
 void IProtocolDialog::unregister_protocol() {}
 ITracker::ITracker() = default;
 ITracker::~ITracker() = default;
diff --git a/gui/options-dialog.cpp b/gui/options-dialog.cpp
index ac4117bc..9cd416ee 100644
--- a/gui/options-dialog.cpp
+++ b/gui/options-dialog.cpp
@@ -172,7 +172,7 @@ options_dialog::options_dialog(std::unique_ptr<ITrackerDialog>& tracker_dialog_,
                 val.label,
                 [=](const QString&) { val.label->setText(kopts_to_string(val.opt)); });
         {
-            connect(val.button, &QPushButton::clicked, this, [=] { bind_key(val.opt, val.label); });
+            connect(val.button, &QPushButton::clicked, this, [=, this] { bind_key(val.opt, val.label); });
         }
     }
 
diff --git a/opentrack/main-window.cpp b/opentrack/main-window.cpp
index 59a01e00..f449845b 100644
--- a/opentrack/main-window.cpp
+++ b/opentrack/main-window.cpp
@@ -683,7 +683,6 @@ static void show_module_settings(std::shared_ptr<Instance> instance,
                                  void(Dialog::*register_fun)(Instance*),
                                  void(options_dialog::*switch_tab_fun)())
 {
-    using BaseDialog = plugin_api::detail::BaseDialog;
     if (!lib || !lib->Dialog)
         return;