diff --git a/src/slic3r/GUI/ConfigManipulation.cpp b/src/slic3r/GUI/ConfigManipulation.cpp
index 5129cdc61b..5eb1d2087e 100644
--- a/src/slic3r/GUI/ConfigManipulation.cpp
+++ b/src/slic3r/GUI/ConfigManipulation.cpp
@@ -113,8 +113,6 @@ void ConfigManipulation::update_print_fff_config(DynamicPrintConfig* config, con
         }
     }
 
-    auto style = config->opt_enum<SupportMaterialStyle>("support_material_style");
-
     if (config->opt_bool("wipe_tower") && config->opt_bool("support_material") && 
         // Organic supports are always synchronized with object layers as of now.
         config->opt_enum<SupportMaterialStyle>("support_material_style") != smsOrganic) {
diff --git a/src/slic3r/GUI/PhysicalPrinterDialog.cpp b/src/slic3r/GUI/PhysicalPrinterDialog.cpp
index 25f8bea62e..2156401488 100644
--- a/src/slic3r/GUI/PhysicalPrinterDialog.cpp
+++ b/src/slic3r/GUI/PhysicalPrinterDialog.cpp
@@ -633,7 +633,6 @@ void PhysicalPrinterDialog::update_host_type(bool printer_change)
 
     Choice* choice = dynamic_cast<Choice*>(ht);
     choice->set_values(types);
-    int dif = (int)ht->m_opt.enum_def->values().size() - (int)types.size();
     int index_in_choice = (printer_change ? std::clamp(last_in_conf - ((int)ht->m_opt.enum_def->values().size() - (int)types.size()), 0, (int)ht->m_opt.enum_def->values().size() - 1) : last_in_conf);
     choice->set_value(index_in_choice);
     if (link.supported && link.label == _(ht->m_opt.enum_def->label(index_in_choice)))
diff --git a/src/slic3r/GUI/Preferences.cpp b/src/slic3r/GUI/Preferences.cpp
index ae884ce4aa..0d5bf0f8c5 100644
--- a/src/slic3r/GUI/Preferences.cpp
+++ b/src/slic3r/GUI/Preferences.cpp
@@ -188,25 +188,6 @@ static void append_enum_option( std::shared_ptr<ConfigOptionsGroup> optgroup,
 	wxGetApp().sidebar().get_searcher().add_key(opt_key, Preset::TYPE_PREFERENCES, optgroup->config_category(), L("Preferences"));
 }
 
-static void append_string_option(std::shared_ptr<ConfigOptionsGroup> optgroup,
-									const std::string& opt_key,
-									const std::string& label,
-									const std::string& tooltip,
-									const std::string& def_val,
-									ConfigOptionMode mode = comSimple)
-{
-	ConfigOptionDef def = { opt_key, coString };
-	def.label = label;
-	def.tooltip = tooltip;
-	def.mode = mode;
-	def.set_default_value(new ConfigOptionString{ def_val });
-	Option option(def, opt_key);
-	optgroup->append_single_option_line(option);
-
-	// fill data to the Search Dialog
-	wxGetApp().sidebar().get_searcher().add_key(opt_key, Preset::TYPE_PREFERENCES, optgroup->config_category(), L("Preferences"));
-}
-
 static void append_preferences_option_to_searcher(std::shared_ptr<ConfigOptionsGroup> optgroup,
 												const std::string& opt_key,
 												const wxString& label)