From c6e5074114c5544974b07612c06faee3e78a912c Mon Sep 17 00:00:00 2001
From: Ian Bassi <ian.bassi@outlook.com>
Date: Fri, 29 May 2026 16:11:22 -0300
Subject: [PATCH] Remove legacy check

---
 src/OrcaSlicer.cpp        | 15 +--------------
 src/libslic3r/Config.hpp  | 28 ----------------------------
 src/slic3r/GUI/Plater.cpp | 17 -----------------
 3 files changed, 1 insertion(+), 59 deletions(-)

diff --git a/src/OrcaSlicer.cpp b/src/OrcaSlicer.cpp
index 2e445cadfd..7107e1ba1e 100644
--- a/src/OrcaSlicer.cpp
+++ b/src/OrcaSlicer.cpp
@@ -1591,7 +1591,7 @@ int CLI::run(int argc, char **argv)
                         record_exit_reson(outfile_dir, CLI_FILE_VERSION_NOT_SUPPORTED, 0, cli_errors[CLI_FILE_VERSION_NOT_SUPPORTED], sliced_info);
                         flush_and_exit(CLI_FILE_VERSION_NOT_SUPPORTED);
                     }
-                    Semver old_version(1, 5, 9), old_version2(1, 5, 9), old_version3(2, 0, 0), old_version4(2, 2, 0), old_version5("2.4.0");
+                    Semver old_version(1, 5, 9), old_version2(1, 5, 9), old_version3(2, 0, 0), old_version4(2, 2, 0);
                     if ((file_version < old_version) && !config.empty()) {
                         translate_old = true;
                         BOOST_LOG_TRIVIAL(info) << boost::format("old 3mf version %1%, need to translate")%file_version.to_string();
@@ -1606,19 +1606,6 @@ int CLI::run(int argc, char **argv)
                         BOOST_LOG_TRIVIAL(info) << boost::format("old 3mf version %1%, need to set enable_wrapping_detection to false")%file_version.to_string();
                     }
 
-                    if ((file_version < old_version5) && !config.empty()) {
-                        int converted_count = ConfigMigrations::migrate_legacy_feature_filament_defaults(config);
-                        for (ModelObject *model_object : model.objects) {
-                            converted_count += ConfigMigrations::migrate_legacy_feature_filament_defaults(model_object->config);
-                            for (ModelVolume *model_volume : model_object->volumes)
-                                converted_count += ConfigMigrations::migrate_legacy_feature_filament_defaults(model_volume->config);
-                        }
-
-                        if (converted_count > 0) {
-                            BOOST_LOG_TRIVIAL(info) << boost::format("old 3mf version %1%, migrated %2% feature filament selections from 1 to 0 (Default)") % file_version.to_string() % converted_count;
-                        }
-                    }
-
                     if (normative_check) {
                         ConfigOptionStrings* postprocess_scripts = config.option<ConfigOptionStrings>("post_process");
                         if (postprocess_scripts) {
diff --git a/src/libslic3r/Config.hpp b/src/libslic3r/Config.hpp
index 443a88d9d2..8ef014564c 100644
--- a/src/libslic3r/Config.hpp
+++ b/src/libslic3r/Config.hpp
@@ -2968,34 +2968,6 @@ private:
 
 std::ostream& operator<<(std::ostream& os, const DynamicConfig::DynamicConfigDifference& diff);
 
-namespace ConfigMigrations {
-
-template <typename ConfigLike>
-inline int migrate_legacy_feature_filament_defaults(ConfigLike &cfg)
-{
-    static const char *feature_filament_keys[] = {
-        "wall_filament",
-        "sparse_infill_filament",
-        "solid_infill_filament"
-    };
-
-    int converted_count = 0;
-    for (const char *key : feature_filament_keys) {
-        if (!cfg.has(key))
-            continue;
-
-        const ConfigOption *opt = cfg.option(key);
-        if (opt != nullptr && opt->getInt() == 1) {
-            cfg.set_key_value(key, new ConfigOptionInt(0));
-            ++converted_count;
-        }
-    }
-
-    return converted_count;
-}
-
-}
-
 // Configuration store with a static definition of configuration values.
 // In Slic3r, the static configuration stores are during the slicing / g-code generation for efficiency reasons,
 // because the configuration values could be accessed directly.
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 06d1575cca..d5c56d169b 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -6153,23 +6153,6 @@ std::vector<size_t> Plater::priv::load_files(const std::vector<fs::path>& input_
                         }
                     }
 
-                    if (load_config && !config_loaded.empty() &&
-                        (en_3mf_file_type == En3mfType::From_BBS || en_3mf_file_type == En3mfType::From_Orca) &&
-                        file_version < Semver("2.4.0-dev")) {
-                        int converted_count = ConfigMigrations::migrate_legacy_feature_filament_defaults(config_loaded);
-                        for (ModelObject *model_object : model.objects) {
-                            converted_count += ConfigMigrations::migrate_legacy_feature_filament_defaults(model_object->config);
-                            for (ModelVolume *model_volume : model_object->volumes)
-                                converted_count += ConfigMigrations::migrate_legacy_feature_filament_defaults(model_volume->config);
-                        }
-
-                        if (converted_count > 0) {
-                            BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << ":" << __LINE__ << " "
-                                                    << boost::format("old 3mf version %1%, migrated %2% feature filament selections from 1 to 0 (Default)")
-                                                           % file_version.to_string() % converted_count;
-                        }
-                    }
-
                     // plate data
                     if (plate_data.size() > 0) {
                         BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << ":" << __LINE__ << boost::format(", import 3mf UPDATE_GCODE_RESULT \n");