diff --git a/src/libslic3r/GCode/GCodeProcessor.cpp b/src/libslic3r/GCode/GCodeProcessor.cpp
index 143e32dc5..d26e085e4 100644
--- a/src/libslic3r/GCode/GCodeProcessor.cpp
+++ b/src/libslic3r/GCode/GCodeProcessor.cpp
@@ -27,9 +27,7 @@ static const float DEFAULT_TOOLPATH_HEIGHT = 0.2f;
 static const float INCHES_TO_MM = 25.4f;
 static const float MMMIN_TO_MMSEC = 1.0f / 60.0f;
 static const float DEFAULT_ACCELERATION = 1500.0f; // Prusa Firmware 1_75mm_MK2
-#if ENABLE_RETRACT_ACCELERATION
 static const float DEFAULT_RETRACT_ACCELERATION = 1500.0f; // Prusa Firmware 1_75mm_MK2
-#endif // ENABLE_RETRACT_ACCELERATION
 static const float DEFAULT_TRAVEL_ACCELERATION = 1250.0f;
 
 static const size_t MIN_EXTRUDERS_COUNT = 5;
@@ -184,10 +182,8 @@ void GCodeProcessor::TimeMachine::reset()
     enabled = false;
     acceleration = 0.0f;
     max_acceleration = 0.0f;
-#if ENABLE_RETRACT_ACCELERATION
     retract_acceleration = 0.0f;
     max_retract_acceleration = 0.0f;
-#endif // ENABLE_RETRACT_ACCELERATION
     travel_acceleration = 0.0f;
     max_travel_acceleration = 0.0f;
     extrude_factor_override_percentage = 1.0f;
@@ -891,11 +887,9 @@ void GCodeProcessor::apply_config(const PrintConfig& config)
         float max_acceleration = get_option_value(m_time_processor.machine_limits.machine_max_acceleration_extruding, i);
         m_time_processor.machines[i].max_acceleration = max_acceleration;
         m_time_processor.machines[i].acceleration = (max_acceleration > 0.0f) ? max_acceleration : DEFAULT_ACCELERATION;
-#if ENABLE_RETRACT_ACCELERATION
         float max_retract_acceleration = get_option_value(m_time_processor.machine_limits.machine_max_acceleration_retracting, i);
         m_time_processor.machines[i].max_retract_acceleration = max_retract_acceleration;
         m_time_processor.machines[i].retract_acceleration = (max_retract_acceleration > 0.0f) ? max_retract_acceleration : DEFAULT_RETRACT_ACCELERATION;
-#endif // ENABLE_RETRACT_ACCELERATION
         float max_travel_acceleration = get_option_value(m_time_processor.machine_limits.machine_max_acceleration_travel, i);
         m_time_processor.machines[i].max_travel_acceleration = max_travel_acceleration;
         m_time_processor.machines[i].travel_acceleration = (max_travel_acceleration > 0.0f) ? max_travel_acceleration : DEFAULT_TRAVEL_ACCELERATION;
@@ -1113,11 +1107,9 @@ void GCodeProcessor::apply_config(const DynamicPrintConfig& config)
         float max_acceleration = get_option_value(m_time_processor.machine_limits.machine_max_acceleration_extruding, i);
         m_time_processor.machines[i].max_acceleration = max_acceleration;
         m_time_processor.machines[i].acceleration = (max_acceleration > 0.0f) ? max_acceleration : DEFAULT_ACCELERATION;
-#if ENABLE_RETRACT_ACCELERATION
         float max_retract_acceleration = get_option_value(m_time_processor.machine_limits.machine_max_acceleration_retracting, i);
         m_time_processor.machines[i].max_retract_acceleration = max_retract_acceleration;
         m_time_processor.machines[i].retract_acceleration = (max_retract_acceleration > 0.0f) ? max_retract_acceleration : DEFAULT_RETRACT_ACCELERATION;
-#endif // ENABLE_RETRACT_ACCELERATION
         float max_travel_acceleration = get_option_value(m_time_processor.machine_limits.machine_max_acceleration_travel, i);
         m_time_processor.machines[i].max_travel_acceleration = max_travel_acceleration;
         m_time_processor.machines[i].travel_acceleration = (max_travel_acceleration > 0.0f) ? max_travel_acceleration : DEFAULT_TRAVEL_ACCELERATION;
@@ -2915,22 +2907,14 @@ void GCodeProcessor::process_M204(const GCodeReader::GCodeLine& line)
                 set_acceleration(static_cast<PrintEstimatedStatistics::ETimeMode>(i), value);
                 set_travel_acceleration(static_cast<PrintEstimatedStatistics::ETimeMode>(i), value);
                 if (line.has_value('T', value))
-#if ENABLE_RETRACT_ACCELERATION
                     set_retract_acceleration(static_cast<PrintEstimatedStatistics::ETimeMode>(i), value);
-#else
-                    set_option_value(m_time_processor.machine_limits.machine_max_acceleration_retracting, i, value);
-#endif // ENABLE_RETRACT_ACCELERATION
             }
             else {
                 // New acceleration format, compatible with the upstream Marlin.
                 if (line.has_value('P', value))
                     set_acceleration(static_cast<PrintEstimatedStatistics::ETimeMode>(i), value);
                 if (line.has_value('R', value))
-#if ENABLE_RETRACT_ACCELERATION
                     set_retract_acceleration(static_cast<PrintEstimatedStatistics::ETimeMode>(i), value);
-#else
-                    set_option_value(m_time_processor.machine_limits.machine_max_acceleration_retracting, i, value);
-#endif // ENABLE_RETRACT_ACCELERATION
                 if (line.has_value('T', value))
                     // Interpret the T value as the travel acceleration in the new Marlin format.
                     set_travel_acceleration(static_cast<PrintEstimatedStatistics::ETimeMode>(i), value);
@@ -3188,20 +3172,12 @@ float GCodeProcessor::get_axis_max_jerk(PrintEstimatedStatistics::ETimeMode mode
     }
 }
 
-#if ENABLE_RETRACT_ACCELERATION
 float GCodeProcessor::get_retract_acceleration(PrintEstimatedStatistics::ETimeMode mode) const
 {
     size_t id = static_cast<size_t>(mode);
     return (id < m_time_processor.machines.size()) ? m_time_processor.machines[id].retract_acceleration : DEFAULT_RETRACT_ACCELERATION;
 }
-#else
-float GCodeProcessor::get_retract_acceleration(PrintEstimatedStatistics::ETimeMode mode) const
-{
-    return get_option_value(m_time_processor.machine_limits.machine_max_acceleration_retracting, static_cast<size_t>(mode));
-}
-#endif // ENABLE_RETRACT_ACCELERATION
 
-#if ENABLE_RETRACT_ACCELERATION
 void GCodeProcessor::set_retract_acceleration(PrintEstimatedStatistics::ETimeMode mode, float value)
 {
     size_t id = static_cast<size_t>(mode);
@@ -3211,7 +3187,6 @@ void GCodeProcessor::set_retract_acceleration(PrintEstimatedStatistics::ETimeMod
             std::min(value, m_time_processor.machines[id].max_retract_acceleration);
     }
 }
-#endif // ENABLE_RETRACT_ACCELERATION
 
 float GCodeProcessor::get_acceleration(PrintEstimatedStatistics::ETimeMode mode) const
 {
diff --git a/src/libslic3r/GCode/GCodeProcessor.hpp b/src/libslic3r/GCode/GCodeProcessor.hpp
index 29f08187e..5af040307 100644
--- a/src/libslic3r/GCode/GCodeProcessor.hpp
+++ b/src/libslic3r/GCode/GCodeProcessor.hpp
@@ -242,11 +242,9 @@ namespace Slic3r {
             float acceleration; // mm/s^2
             // hard limit for the acceleration, to which the firmware will clamp.
             float max_acceleration; // mm/s^2
-#if ENABLE_RETRACT_ACCELERATION
             float retract_acceleration; // mm/s^2
             // hard limit for the acceleration, to which the firmware will clamp.
             float max_retract_acceleration; // mm/s^2
-#endif // ENABLE_RETRACT_ACCELERATION
             float travel_acceleration; // mm/s^2
             // hard limit for the travel acceleration, to which the firmware will clamp.
             float max_travel_acceleration; // mm/s^2
@@ -720,9 +718,7 @@ namespace Slic3r {
         float get_axis_max_acceleration(PrintEstimatedStatistics::ETimeMode mode, Axis axis) const;
         float get_axis_max_jerk(PrintEstimatedStatistics::ETimeMode mode, Axis axis) const;
         float get_retract_acceleration(PrintEstimatedStatistics::ETimeMode mode) const;
-#if ENABLE_RETRACT_ACCELERATION
         void  set_retract_acceleration(PrintEstimatedStatistics::ETimeMode mode, float value);
-#endif // ENABLE_RETRACT_ACCELERATION
         float get_acceleration(PrintEstimatedStatistics::ETimeMode mode) const;
         void  set_acceleration(PrintEstimatedStatistics::ETimeMode mode, float value);
         float get_travel_acceleration(PrintEstimatedStatistics::ETimeMode mode) const;
diff --git a/src/libslic3r/Technologies.hpp b/src/libslic3r/Technologies.hpp
index 8da21d56a..dd1aaf46e 100644
--- a/src/libslic3r/Technologies.hpp
+++ b/src/libslic3r/Technologies.hpp
@@ -41,8 +41,6 @@
 //====================
 #define ENABLE_2_4_0_ALPHA1 1
 
-// Enable implementation of retract acceleration in gcode processor
-#define ENABLE_RETRACT_ACCELERATION (1 && ENABLE_2_4_0_ALPHA1)
 // Enable the fix for exporting and importing to/from 3mf file of mirrored volumes
 #define ENABLE_FIX_MIRRORED_VOLUMES_3MF_IMPORT_EXPORT (1 && ENABLE_2_4_0_ALPHA1)
 // Enable rendering seams (and other options) in preview using models