diff --git a/MatterControl.OpenGL/GCodeRenderer/RenderFeatures/RenderFeatureExtrusion.cs b/MatterControl.OpenGL/GCodeRenderer/RenderFeatures/RenderFeatureExtrusion.cs
index b503255a5..30a8b90bd 100644
--- a/MatterControl.OpenGL/GCodeRenderer/RenderFeatures/RenderFeatureExtrusion.cs
+++ b/MatterControl.OpenGL/GCodeRenderer/RenderFeatures/RenderFeatureExtrusion.cs
@@ -68,7 +68,7 @@ namespace MatterHackers.GCodeVisualizer
 				if (moveLength > .1) // we get truncation errors from the slice engine when the length is very small, so don't do them
 				{
 					double area = extrusionVolumeMm3 / moveLength;
-					width = area / layerHeight * 2;
+					width = area / layerHeight;
 				}
 			}
 			else
diff --git a/StaticData/SliceSettings/Properties.json b/StaticData/SliceSettings/Properties.json
index 1319320df..6c67f2cce 100644
--- a/StaticData/SliceSettings/Properties.json
+++ b/StaticData/SliceSettings/Properties.json
@@ -309,14 +309,6 @@
     "ShowIfSet": "!sla_printer",
     "DefaultValue": "1"
   },
-  {
-    "SlicerConfigName": "extrusion_width",
-    "PresentationName": "Default Extrusion Width",
-    "HelpText": "Leave this as 0 to allow automatic calculation of extrusion width.",
-    "DataEditType": "DOUBLE_OR_PERCENT",
-    "Units": "mm or % leave 0 for auto",
-    "DefaultValue": "0"
-  },
   {
     "SlicerConfigName": "filament_cost",
     "PresentationName": "Cost",
@@ -638,14 +630,6 @@
     "ReloadUiWhenChanged": true,
     "DefaultValue": "0"
   },
-  {
-    "SlicerConfigName": "infill_extrusion_width",
-    "PresentationName": "Infill",
-    "HelpText": "Leave this as 0 to allow automatic calculation of extrusion width.",
-    "DataEditType": "DOUBLE_OR_PERCENT",
-    "Units": "mm or %",
-    "DefaultValue": "0"
-  },
   {
     "SlicerConfigName": "infill_overlap_perimeter",
     "PresentationName": "Infill Overlap",