diff --git a/src/components/MapMaplibreGl.tsx b/src/components/MapMaplibreGl.tsx
index cf55ca0a..2b4d6085 100644
--- a/src/components/MapMaplibreGl.tsx
+++ b/src/components/MapMaplibreGl.tsx
@@ -176,7 +176,7 @@ export default class MapMaplibreGl extends React.Component<MapMaplibreGlProps, M
       showInspectButton: false,
       blockHoverPopupOnClick: true,
       assignLayerColor: (layerId: string, alpha: number) => {
-        return Color(colors.brightColor(layerId, alpha as any)).desaturate(0.5).string()
+        return Color(colors.brightColor(layerId, alpha)).desaturate(0.5).string()
       },
       buildInspectStyle: (originalMapStyle: StyleSpecification, coloredLayers: HighlightedLayer[]) => buildInspectStyle(originalMapStyle, coloredLayers, this.props.highlightedLayer),
       renderPopup: (features: InspectFeature[]) => {
diff --git a/src/libs/highlight.ts b/src/libs/highlight.ts
index 1f6c6a34..511e35e6 100644
--- a/src/libs/highlight.ts
+++ b/src/libs/highlight.ts
@@ -24,7 +24,7 @@ export function colorHighlightedLayer(layer?: LayerSpecification): HighlightedLa
   if(!layer || layer.type === 'background' || layer.type === 'raster') return null
 
   const sourceLayerId = layer['source-layer'] || ''
-  const color = colors.brightColor(sourceLayerId, 1 as any);
+  const color = colors.brightColor(sourceLayerId, 1);
 
   if(layer.type === "fill" || layer.type === 'fill-extrusion') {
     return changeLayer(stylegen.polygonLayer(color, color, layer.source, layer['source-layer']), layer)