diff --git a/src/slic3r/GUI/GCodeViewer.cpp b/src/slic3r/GUI/GCodeViewer.cpp
index 88aa49612..4fd50ad18 100644
--- a/src/slic3r/GUI/GCodeViewer.cpp
+++ b/src/slic3r/GUI/GCodeViewer.cpp
@@ -1447,9 +1447,6 @@ void GCodeViewer::_render_calibration_thumbnail_internal(ThumbnailData& thumbnai
                 //shader->set_uniform("emission_factor", 0.0f);
             }
             else {
-                switch (buffer.render_primitive_type) {
-                default: break;
-                }
                 int uniform_color = shader->get_uniform_location("uniform_color");
                 auto it_path = buffer.render_paths.begin();
                 for (unsigned int ibuffer_id = 0; ibuffer_id < static_cast<unsigned int>(buffer.indices.size()); ++ibuffer_id) {
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 2faf3a8da..01b5462a1 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -4090,8 +4090,6 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
             while (p->GetParent())
                 p = p->GetParent();
             auto *top_level_wnd = dynamic_cast<wxTopLevelWindow*>(p);
-            if (top_level_wnd && top_level_wnd->IsActive() && !wxGetApp().get_side_menu_popup_status())
-                ;// m_canvas->SetFocus();
             m_mouse.position = pos.cast<double>();
             m_tooltip_enabled = false;
             // 1) forces a frame render to ensure that m_hover_volume_idxs is updated even when the user right clicks while
diff --git a/src/slic3r/GUI/GUI_Factories.cpp b/src/slic3r/GUI/GUI_Factories.cpp
index 664ee7d7a..cb0748f2a 100644
--- a/src/slic3r/GUI/GUI_Factories.cpp
+++ b/src/slic3r/GUI/GUI_Factories.cpp
@@ -708,13 +708,6 @@ wxMenuItem* MenuFactory::append_menu_item_settings(wxMenu* menu_)
     if (sel_vol && sel_vol->type() >= ModelVolumeType::SUPPORT_ENFORCER)
         return nullptr;
 
-
-    // Create new items for settings popupmenu
-
-    if (printer_technology() == ptFFF ||
-        (menu->GetMenuItems().size() > 0 && !menu->GetMenuItems().back()->IsSeparator()))
-        ;// menu->SetFirstSeparator();
-
     // detect itemm for adding of the setting
     ObjectList* object_list = obj_list();
     ObjectDataViewModel* obj_model = list_model();
diff --git a/src/slic3r/GUI/HintNotification.cpp b/src/slic3r/GUI/HintNotification.cpp
index c431e0faf..fa26cd17a 100644
--- a/src/slic3r/GUI/HintNotification.cpp
+++ b/src/slic3r/GUI/HintNotification.cpp
@@ -499,8 +499,6 @@ HintData* HintDatabase::get_hint(HintDataNavigation nav)
 			m_hint_id = get_next_hint_id();
 		if(nav == HintDataNavigation::Prev)
 			m_hint_id = get_prev_hint_id();
-		if (nav == HintDataNavigation::Curr)
-			;
 		if (nav == HintDataNavigation::Random)
 			init_random_hint_id();
 	}
diff --git a/src/slic3r/GUI/IMSlider.cpp b/src/slic3r/GUI/IMSlider.cpp
index a0f15066b..7d594335b 100644
--- a/src/slic3r/GUI/IMSlider.cpp
+++ b/src/slic3r/GUI/IMSlider.cpp
@@ -240,10 +240,6 @@ void IMSlider::SetTicksValues(const Info &custom_gcode_per_print_z)
         if (tick >= 0) m_ticks.ticks.emplace(TickCode{tick, h.type, h.extruder, h.color, h.extra});
     }
 
-    if (!was_empty && m_ticks.empty())
-        // Switch to the "Feature type"/"Tool" from the very beginning of a new object slicing after deleting of the old one
-        ;// post_ticks_changed_event();
-
     if (m_ticks.has_tick_with_code(ToolChange) && !m_can_change_color) {
         if (!wxGetApp().plater()->only_gcode_mode() && !wxGetApp().plater()->using_exported_file())
         {
diff --git a/src/slic3r/GUI/Jobs/PrintJob.cpp b/src/slic3r/GUI/Jobs/PrintJob.cpp
index e9e56b395..fe4174b6b 100644
--- a/src/slic3r/GUI/Jobs/PrintJob.cpp
+++ b/src/slic3r/GUI/Jobs/PrintJob.cpp
@@ -103,9 +103,6 @@ wxString PrintJob::get_http_error_msg(unsigned int status, std::string body)
                 if (!j["message"].is_null())
                     message = j["message"].get<std::string>();
             }
-            switch (status) {
-                ;
-            }
         }
         catch (...) {
             ;
diff --git a/src/slic3r/GUI/Jobs/RotoptimizeJob.cpp b/src/slic3r/GUI/Jobs/RotoptimizeJob.cpp
index 263273984..f97b03bf6 100644
--- a/src/slic3r/GUI/Jobs/RotoptimizeJob.cpp
+++ b/src/slic3r/GUI/Jobs/RotoptimizeJob.cpp
@@ -57,11 +57,6 @@ void RotoptimizeJob::process(Ctl &ctl)
             .print_config(&m_default_print_cfg)
             .statucb([this, &prev_status, &ctl/*, &statustxt*/](int s)
         {
-            if (s > 0 && s < 100)
-                ;
-                // ctl.update_status(prev_status + s / m_selected_object_ids.size(),
-                //               statustxt);
-
             return !ctl.was_canceled();
         });
 
diff --git a/src/slic3r/GUI/Jobs/SendJob.cpp b/src/slic3r/GUI/Jobs/SendJob.cpp
index 1964aa24e..36b5bd5b3 100644
--- a/src/slic3r/GUI/Jobs/SendJob.cpp
+++ b/src/slic3r/GUI/Jobs/SendJob.cpp
@@ -67,9 +67,6 @@ wxString SendJob::get_http_error_msg(unsigned int status, std::string body)
             if (!j["message"].is_null())
                 message = j["message"].get<std::string>();
         }
-        switch (status) {
-            ;
-        }
     }
     catch (...) {
         ;