diff --git a/src/slic3r/GUI/ConfigWizard.cpp b/src/slic3r/GUI/ConfigWizard.cpp
index d77812e3a..cbbaa32b6 100644
--- a/src/slic3r/GUI/ConfigWizard.cpp
+++ b/src/slic3r/GUI/ConfigWizard.cpp
@@ -26,7 +26,6 @@
 #include <wx/debug.h>
 
 #include "libslic3r/Utils.hpp"
-// #include "PresetBundle.hpp"
 #include "GUI.hpp"
 #include "GUI_Utils.hpp"
 #include "slic3r/Config/Snapshot.hpp"
@@ -44,22 +43,19 @@ using Config::SnapshotDB;
 // Configuration data structures extensions needed for the wizard
 
 Bundle::Bundle(fs::path source_path, bool is_in_resources, bool is_prusa_bundle)
-    : source_path(std::move(source_path))
-    , preset_bundle(new PresetBundle)
+    : preset_bundle(new PresetBundle)
     , vendor_profile(nullptr)
     , is_in_resources(is_in_resources)
     , is_prusa_bundle(is_prusa_bundle)
 {
-    // XXX: consider removing path <-> string juggling
-    preset_bundle->load_configbundle(this->source_path.string(), PresetBundle::LOAD_CFGBNDLE_SYSTEM);
+    preset_bundle->load_configbundle(source_path.string(), PresetBundle::LOAD_CFGBNDLE_SYSTEM);
     auto first_vendor = preset_bundle->vendors.begin();
     wxCHECK_RET(first_vendor != preset_bundle->vendors.end(), "Failed to load preset bundle");
     vendor_profile = &first_vendor->second;
 }
 
 Bundle::Bundle(Bundle &&other)
-    : source_path(std::move(source_path))
-    , preset_bundle(std::move(other.preset_bundle))
+    : preset_bundle(std::move(other.preset_bundle))
     , vendor_profile(other.vendor_profile)
     , is_in_resources(other.is_in_resources)
     , is_prusa_bundle(other.is_prusa_bundle)
@@ -71,15 +67,9 @@ BundleMap BundleMap::load()
 {
     BundleMap res;
 
-    // XXX: Keep Prusa bundle separate? (Probably no - keep same codepaths)
-
     const auto vendor_dir = (boost::filesystem::path(Slic3r::data_dir()) / "vendor").make_preferred();
     const auto rsrc_vendor_dir = (boost::filesystem::path(resources_dir()) / "profiles").make_preferred();
 
-    // XXX
-    // const auto prusa_bundle_vendor = (vendor_dir / PRUSA_BUNDLE).replace_extension(".ini");
-    // const auto prusa_bundle = boost::filesystem::exists(prusa_bundle_vendor) ? prusa_bundle_vendor
-    //     : (rsrc_vendor_dir / PRUSA_BUNDLE).replace_extension(".ini");
     auto prusa_bundle_path = (vendor_dir / PresetBundle::PRUSA_BUNDLE).replace_extension(".ini");
     auto prusa_bundle_rsrc = false;
     if (! boost::filesystem::exists(prusa_bundle_path)) {
@@ -663,7 +653,7 @@ void PageMaterials::select_all(bool select)
     wxWindowUpdateLocker freeze_guard(this);
     (void)freeze_guard;
 
-    for (int i = 0; i < list_l3->GetCount(); i++) {
+    for (unsigned i = 0; i < list_l3->GetCount(); i++) {
         const bool current = list_l3->IsChecked(i);
         if (current != select) {
             list_l3->Check(i, select);
@@ -1646,7 +1636,7 @@ void ConfigWizard::priv::apply_config(AppConfig *app_config, PresetBundle *prese
     //     }
     // }
 
-    preset_bundle->load_presets(*app_config, preferred_model);
+    // preset_bundle->load_presets(*app_config, preferred_model);
 
     if (page_custom->custom_wanted()) {
         page_firmware->apply_custom_config(*custom_config);
diff --git a/src/slic3r/GUI/ConfigWizard_private.hpp b/src/slic3r/GUI/ConfigWizard_private.hpp
index 6c94d3700..3f688adff 100644
--- a/src/slic3r/GUI/ConfigWizard_private.hpp
+++ b/src/slic3r/GUI/ConfigWizard_private.hpp
@@ -90,7 +90,6 @@ struct Materials
 
 struct Bundle
 {
-    fs::path source_path;    // XXX: not needed?
     std::unique_ptr<PresetBundle> preset_bundle;
     VendorProfile *vendor_profile;
     const bool is_in_resources;
@@ -235,7 +234,7 @@ template<class T, class D> struct DataList : public T
     }
 
     int find(const D &data) {
-        for (int i = 0; i < this->GetCount(); i++) {
+        for (unsigned i = 0; i < this->GetCount(); i++) {
             if (get_data(i) == data) { return i; }
         }
 
diff --git a/src/slic3r/GUI/PresetBundle.cpp b/src/slic3r/GUI/PresetBundle.cpp
index e3ee84e87..54dd92a71 100644
--- a/src/slic3r/GUI/PresetBundle.cpp
+++ b/src/slic3r/GUI/PresetBundle.cpp
@@ -243,48 +243,6 @@ void PresetBundle::load_presets(AppConfig &config, const std::string &preferred_
     this->load_selections(config, preferred_model_id);
 }
 
-// FIXME: Comment
-// XXX: rm
-void PresetBundle::load_available_system_presets()
-{
-    const auto vendor_dir = (boost::filesystem::path(Slic3r::data_dir()) / "vendor").make_preferred();
-    const auto rsrc_vendor_dir = (boost::filesystem::path(resources_dir()) / "profiles").make_preferred();
-
-    const auto prusa_bundle_vendor = (vendor_dir / PRUSA_BUNDLE).replace_extension(".ini");
-    const auto prusa_bundle = boost::filesystem::exists(prusa_bundle_vendor) ? prusa_bundle_vendor
-        : (rsrc_vendor_dir / PRUSA_BUNDLE).replace_extension(".ini");
-
-    // Reset this PresetBundle and load the Prusa bundle first.
-    this->load_configbundle(prusa_bundle.string(), LOAD_CFGBNDLE_SYSTEM);
-
-    // Load the other bundles in the datadir/vendor directory
-    // and then additionally from resources/profiles.
-    for (auto dir : { &vendor_dir, &rsrc_vendor_dir }) {
-        for (const auto &dir_entry : boost::filesystem::directory_iterator(*dir)) {
-            if (Slic3r::is_ini_file(dir_entry)) {
-                std::string id = dir_entry.path().stem().string();  // stem() = filename() without the trailing ".ini" part
-
-                // Don't load this bundle if we've already loaded it.
-                // Note that this takes care of not loading the PRUSA_BUNDLE which was loaded upfront
-                // as well as bundles with the same name (id) in rsrc_vendor_dir as in vendor_dir.
-                if (vendors.find(id) != vendors.end()) { continue; }
-
-                PresetBundle other;
-                other.load_configbundle(dir_entry.path().string(), LOAD_CFGBNDLE_SYSTEM);
-
-                std::vector<std::string> duplicates = this->merge_presets(std::move(other));
-                if (! duplicates.empty()) {
-                    std::string msg = "Vendor configuration file " + id + " contains the following presets with names used by other vendors: ";
-                    for (size_t i = 0; i < duplicates.size(); ++ i) {
-                        if (i > 0) { msg += ", "; }
-                        msg += duplicates[i];
-                    }
-                }
-            }
-        }
-    }
-}
-
 // Load system presets into this PresetBundle.
 // For each vendor, there will be a single PresetBundle loaded.
 std::string PresetBundle::load_system_presets()
diff --git a/src/slic3r/GUI/PresetBundle.hpp b/src/slic3r/GUI/PresetBundle.hpp
index 79519071b..b1010e07b 100644
--- a/src/slic3r/GUI/PresetBundle.hpp
+++ b/src/slic3r/GUI/PresetBundle.hpp
@@ -134,9 +134,6 @@ public:
 
     void                        load_default_preset_bitmaps(wxWindow *window);
 
-    // FIXME: rm
-    void                        load_available_system_presets();   // XXX: name  XXX: retval (VendorMap stored internally)
-
     // Set the is_visible flag for printer vendors, printer models and printer variants
     // based on the user configuration.
     // If the "vendor" section is missing, enable all models and variants of the particular vendor.