diff --git a/src/buildingpart.js b/src/buildingpart.js
index 25d4838..8cab14f 100644
--- a/src/buildingpart.js
+++ b/src/buildingpart.js
@@ -157,7 +157,6 @@ class BuildingPart {
     const extents = BuildingShapeUtils.extents(this.shape, calculatedOptions.roof.direction / 360 * 2 * Math.PI);
     const shapeHeight = extents[3] - extents[1];
     calculatedOptions.roof.height = this.options.specified.roof.height ??
-      this.options.inherited.roof.height ??
       (isNaN(calculatedOptions.roof.levels) ? null : (calculatedOptions.roof.levels * 3)) ??
       (calculatedOptions.roof.shape === 'flat' ? 0 : null) ??
       (calculatedOptions.roof.shape === 'dome' || calculatedOptions.roof.shape === 'pyramidal' ? BuildingShapeUtils.calculateRadius(this.shape) : null) ??