diff --git a/src/libslic3r/Config.cpp b/src/libslic3r/Config.cpp
index 2d4780d0ec..f5902f403e 100644
--- a/src/libslic3r/Config.cpp
+++ b/src/libslic3r/Config.cpp
@@ -740,11 +740,7 @@ ConfigSubstitutions ConfigBase::load(const boost::property_tree::ptree &tree, Fo
 }
 
 // Load the config keys from the given string.
-#if ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
 size_t ConfigBase::load_from_gcode_string_legacy(ConfigBase& config, const char* str, ConfigSubstitutionContext& substitutions)
-#else
-static inline size_t load_from_gcode_string_legacy(ConfigBase& config, const char* str, ConfigSubstitutionContext& substitutions)
-#endif // ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
 {
     if (str == nullptr)
         return 0;
diff --git a/src/libslic3r/Config.hpp b/src/libslic3r/Config.hpp
index 429f5901c8..b8a838f0d5 100644
--- a/src/libslic3r/Config.hpp
+++ b/src/libslic3r/Config.hpp
@@ -2017,9 +2017,7 @@ public:
 	// Set all the nullable values to nils.
     void null_nullables();
 
-#if ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
     static size_t load_from_gcode_string_legacy(ConfigBase& config, const char* str, ConfigSubstitutionContext& substitutions);
-#endif // ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
 
 private:
     // Set a configuration value from a string.
diff --git a/src/libslic3r/GCode/GCodeProcessor.cpp b/src/libslic3r/GCode/GCodeProcessor.cpp
index 3889321b26..79eca1aa38 100644
--- a/src/libslic3r/GCode/GCodeProcessor.cpp
+++ b/src/libslic3r/GCode/GCodeProcessor.cpp
@@ -748,9 +748,7 @@ const std::vector<std::pair<GCodeProcessor::EProducer, std::string>> GCodeProces
     { EProducer::PrusaSlicer, "generated by PrusaSlicer" },
     { EProducer::Slic3rPE,    "generated by Slic3r Prusa Edition" },
     { EProducer::Slic3r,      "generated by Slic3r" },
-#if ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
     { EProducer::SuperSlicer, "generated by SuperSlicer" },
-#endif // ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
     { EProducer::Cura,        "Cura_SteamEngine" },
     { EProducer::Simplify3D,  "G-Code generated by Simplify3D(R)" },
     { EProducer::CraftWare,   "CraftWare" },
@@ -1234,10 +1232,8 @@ void GCodeProcessor::process_file(const std::string& filename, std::function<voi
         }
         else if (m_producer == EProducer::Simplify3D)
             apply_config_simplify3d(filename);
-#if ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
         else if (m_producer == EProducer::SuperSlicer)
             apply_config_superslicer(filename);
-#endif // ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
     }
 
     // process gcode
@@ -1371,7 +1367,6 @@ std::vector<std::pair<ExtrusionRole, float>> GCodeProcessor::get_roles_time(Prin
     return ret;
 }
 
-#if ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
 ConfigSubstitutions load_from_superslicer_gcode_file(const std::string& filename, DynamicPrintConfig& config, ForwardCompatibilitySubstitutionRule compatibility_rule)
 {
     // for reference, see: ConfigBase::load_from_gcode_file()
@@ -1404,7 +1399,6 @@ void GCodeProcessor::apply_config_superslicer(const std::string& filename)
     load_from_superslicer_gcode_file(filename, config, ForwardCompatibilitySubstitutionRule::EnableSilent);
     apply_config(config);
 }
-#endif // ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
 
 std::vector<float> GCodeProcessor::get_layers_time(PrintEstimatedStatistics::ETimeMode mode) const
 {
@@ -1890,9 +1884,7 @@ bool GCodeProcessor::process_producers_tags(const std::string_view comment)
     {
     case EProducer::Slic3rPE:
     case EProducer::Slic3r: 
-#if ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
     case EProducer::SuperSlicer:
-#endif // ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
     case EProducer::PrusaSlicer: { return process_prusaslicer_tags(comment); }
     case EProducer::Cura:        { return process_cura_tags(comment); }
     case EProducer::Simplify3D:  { return process_simplify3d_tags(comment); }
diff --git a/src/libslic3r/GCode/GCodeProcessor.hpp b/src/libslic3r/GCode/GCodeProcessor.hpp
index 485cb87c82..c3a050985e 100644
--- a/src/libslic3r/GCode/GCodeProcessor.hpp
+++ b/src/libslic3r/GCode/GCodeProcessor.hpp
@@ -542,9 +542,7 @@ namespace Slic3r {
             PrusaSlicer,
             Slic3rPE,
             Slic3r,
-#if ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
             SuperSlicer,
-#endif // ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
             Cura,
             Simplify3D,
             CraftWare,
@@ -601,9 +599,7 @@ namespace Slic3r {
     private:
         void apply_config(const DynamicPrintConfig& config);
         void apply_config_simplify3d(const std::string& filename);
-#if ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
         void apply_config_superslicer(const std::string& filename);
-#endif // ENABLE_FIX_SUPERSLICER_GCODE_IMPORT
         void process_gcode_line(const GCodeReader::GCodeLine& line, bool producers_enabled);
 
         // Process tags embedded into comments
diff --git a/src/libslic3r/Technologies.hpp b/src/libslic3r/Technologies.hpp
index f3356d9e79..ef975461e2 100644
--- a/src/libslic3r/Technologies.hpp
+++ b/src/libslic3r/Technologies.hpp
@@ -36,15 +36,6 @@
 #define ENABLE_FIXED_SCREEN_SIZE_POINT_MARKERS 1
 
 
-//====================
-// 2.4.0.alpha3 techs
-//====================
-#define ENABLE_2_4_0_ALPHA3 1
-
-// Enable fixing loading of gcode files generated with SuperSlicer in GCodeViewer
-#define ENABLE_FIX_SUPERSLICER_GCODE_IMPORT (1 && ENABLE_2_4_0_ALPHA3)
-
-
 //====================
 // 2.4.0.beta1 techs
 //====================