diff --git a/src/libslic3r/Geometry/VoronoiUtilsCgal.cpp b/src/libslic3r/Geometry/VoronoiUtilsCgal.cpp
index c3348110b..832152c5f 100644
--- a/src/libslic3r/Geometry/VoronoiUtilsCgal.cpp
+++ b/src/libslic3r/Geometry/VoronoiUtilsCgal.cpp
@@ -128,7 +128,7 @@ inline static Linef make_linef(const VD::edge_type &edge)
     return {Vec2d(v0->x(), v0->y()), Vec2d(v1->x(), v1->y())};
 }
 
-inline static bool is_equal(const VD::vertex_type &first, const VD::vertex_type &second) { return first.x() == second.x() && first.y() == second.y(); }
+[[maybe_unused]] inline static bool is_equal(const VD::vertex_type &first, const VD::vertex_type &second) { return first.x() == second.x() && first.y() == second.y(); }
 
 // FIXME Lukas H.: Also includes parabolic segments.
 bool VoronoiUtilsCgal::is_voronoi_diagram_planar_intersection(const VD &voronoi_diagram)
diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index 22f296456..ed1a08b57 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -2705,7 +2705,7 @@ void PrintConfigDef::init_fff_params()
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionInt(1));
 
-    auto support_material_interface_layers = def = this->add("support_material_interface_layers", coInt);
+    def = this->add("support_material_interface_layers", coInt);
     def->label = L("Top interface layers");
     def->category = L("Support material");
     def->tooltip = L("Number of interface layers to insert between the object(s) and support material.");
diff --git a/src/slic3r/GUI/GUI_Factories.cpp b/src/slic3r/GUI/GUI_Factories.cpp
index 4887d3dcf..60049c865 100644
--- a/src/slic3r/GUI/GUI_Factories.cpp
+++ b/src/slic3r/GUI/GUI_Factories.cpp
@@ -1000,7 +1000,7 @@ void MenuFactory::append_menu_item_edit_text(wxMenu *menu)
     std::string icon = "";
     append_menu_item(
         menu, wxID_ANY, name, description,
-        [can_edit_text](wxCommandEvent &) {
+        [](wxCommandEvent &) {
             plater()->canvas3D()->get_gizmos_manager().open_gizmo(GLGizmosManager::Emboss);
         },
         icon, nullptr, can_edit_text, m_parent);
diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index dd2a90ebd..0c7805db8 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -314,9 +314,9 @@ void MainFrame::bind_diff_dialog()
             process(diff_dlg_type);
     };
 
-    diff_dialog.Bind(EVT_DIFF_DIALOG_TRANSFER,      [this, process_options, transfer](SimpleEvent&)         { process_options(transfer); });
+    diff_dialog.Bind(EVT_DIFF_DIALOG_TRANSFER,      [process_options, transfer](SimpleEvent&)         { process_options(transfer); });
 
-    diff_dialog.Bind(EVT_DIFF_DIALOG_UPDATE_PRESETS,[this, process_options, update_presets](SimpleEvent&)   { process_options(update_presets); });
+    diff_dialog.Bind(EVT_DIFF_DIALOG_UPDATE_PRESETS,[process_options, update_presets](SimpleEvent&)   { process_options(update_presets); });
 }
 
 
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 8732251e6..3595276af 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -830,6 +830,7 @@ Sidebar::Sidebar(Plater *parent)
                 wxRIGHT, margin_5);
 #else
                 wxBOTTOM, 1);
+                (void)margin_5; // supress unused capture warning
 #endif // __WXGTK3__
         } else {
             sizer_filaments->Add(combo_and_btn_sizer, 0, wxEXPAND |
@@ -2251,7 +2252,7 @@ Plater::priv::priv(Plater *q, MainFrame *main_frame)
         this->q->load_files(input_files);
     });
   
-    this->q->Bind(EVT_START_DOWNLOAD_OTHER_INSTANCE, [this](StartDownloadOtherInstanceEvent& evt) {
+    this->q->Bind(EVT_START_DOWNLOAD_OTHER_INSTANCE, [](StartDownloadOtherInstanceEvent& evt) {
         BOOST_LOG_TRIVIAL(trace) << "Received url from other instance event.";
         wxGetApp().mainframe->Raise();
         for (size_t i = 0; i < evt.data.size(); ++i) {
diff --git a/src/slic3r/GUI/UnsavedChangesDialog.cpp b/src/slic3r/GUI/UnsavedChangesDialog.cpp
index 8e3fa7874..d7d4798c2 100644
--- a/src/slic3r/GUI/UnsavedChangesDialog.cpp
+++ b/src/slic3r/GUI/UnsavedChangesDialog.cpp
@@ -1591,7 +1591,7 @@ void DiffPresetDialog::create_buttons()
         }
         evt.Enable(enable);
     });
-    m_transfer_btn->Bind(wxEVT_ENTER_WINDOW, [this, show_in_bottom_info](wxMouseEvent& e) {
+    m_transfer_btn->Bind(wxEVT_ENTER_WINDOW, [show_in_bottom_info](wxMouseEvent& e) {
         show_in_bottom_info(_L("Transfer the selected options from left preset to the right.\n"
                             "Note: New modified presets will be selected in settings tabs after close this dialog."), e); });
 
@@ -1599,7 +1599,7 @@ void DiffPresetDialog::create_buttons()
     m_save_btn = new ScalableButton(this, wxID_ANY, "save", _L("Save"), wxDefaultSize, wxDefaultPosition, wxBORDER_DEFAULT, 24);
     m_save_btn->Bind(wxEVT_BUTTON, [this](wxEvent&) { button_event(Action::Save); });
     m_save_btn->Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(m_tree->has_selection()); });
-    m_save_btn->Bind(wxEVT_ENTER_WINDOW, [this, show_in_bottom_info](wxMouseEvent& e) {
+    m_save_btn->Bind(wxEVT_ENTER_WINDOW, [show_in_bottom_info](wxMouseEvent& e) {
         show_in_bottom_info(_L("Save the selected options from left preset to the right."), e); });
 
     // Cancel