diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index 6d572fc..4f1473c 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -3719,7 +3719,7 @@ void PrintConfigDef::init_extruder_option_keys()
         "retract_layer_change",
         "retract_length",
         //B34
-        "filament_diameter",
+        // "filament_diameter",
         "extrusion_multiplier",
         "retract_length_toolchange",
         "retract_lift",