diff --git a/SlicerConfiguration/SlicerMapping/EngineMappingCura.cs b/SlicerConfiguration/SlicerMapping/EngineMappingCura.cs
index b9ccea6de..865940300 100644
--- a/SlicerConfiguration/SlicerMapping/EngineMappingCura.cs
+++ b/SlicerConfiguration/SlicerMapping/EngineMappingCura.cs
@@ -96,9 +96,11 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
             new NotPassedItem("", "bed_temperature"),
             new NotPassedItem("", "bed_shape"),
 
+#if false
             new NotPassedItem("", "has_fan"),
             new NotPassedItem("", "has_heated_bed"),
             new NotPassedItem("", "has_sd_card_reader"),
+#endif
 
             new ScaledSingleNumber("objectSink", "bottom_clip_amount", 1000),
 
diff --git a/SlicerConfiguration/SlicerMapping/EngineMappingMatterSlice.cs b/SlicerConfiguration/SlicerMapping/EngineMappingMatterSlice.cs
index 06fd711e8..e050b35e0 100644
--- a/SlicerConfiguration/SlicerMapping/EngineMappingMatterSlice.cs
+++ b/SlicerConfiguration/SlicerMapping/EngineMappingMatterSlice.cs
@@ -192,9 +192,11 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
             new MapRepairOutlines("repairOutlines", "repair_outlines_extensive_stitching"),
             new NotPassedItem("", "repair_outlines_keep_open"),
 
+#if false
             new NotPassedItem("", "has_fan"),
             new NotPassedItem("", "has_heated_bed"),
             new NotPassedItem("", "has_sd_card_reader"),
+#endif
 
             //repairOverlaps=NONE # Available Values: NONE, REVERSE_ORIENTATION, UNION_ALL_TOGETHER # You can or them together using '|'.
             new MapRepairOverlaps("repairOverlaps", "repair_overlaps_reverse_orientation"),
diff --git a/SlicerConfiguration/SlicerMapping/EngineMappingSlic3r.cs b/SlicerConfiguration/SlicerMapping/EngineMappingSlic3r.cs
index 75db9dba1..724b5bda5 100644
--- a/SlicerConfiguration/SlicerMapping/EngineMappingSlic3r.cs
+++ b/SlicerConfiguration/SlicerMapping/EngineMappingSlic3r.cs
@@ -79,6 +79,12 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
                     hideItems.Add("extruder_clearance_height");
                     hideItems.Add("extruder_clearance_radius");
                     hideItems.Add("wipe_shield_distance");
+#if true
+                    hideItems.Add("has_fan");
+                    hideItems.Add("has_heated_bed");
+                    hideItems.Add("has_sd_card_reader");
+#endif
+
                 }
                 return instance;
             }