diff --git a/UI/ImportFlow/CompareToAlreadyExistingNotes.ts b/UI/ImportFlow/CompareToAlreadyExistingNotes.ts
index f058eae018..6054e34349 100644
--- a/UI/ImportFlow/CompareToAlreadyExistingNotes.ts
+++ b/UI/ImportFlow/CompareToAlreadyExistingNotes.ts
@@ -35,17 +35,11 @@ export class CompareToAlreadyExistingNotes extends Combine implements FlowStep<{
 
     constructor(state, params: { bbox: BBox, layer: LayerConfig, geojson: { features: any[] } }) {
 
-        const convertState: DesugaringContext = {
-            sharedLayers: new Map(),
-            tagRenderings: new Map()
-        }
-
-
         const layerConfig = known_layers.layers.filter(l => l.id === params.layer.id)[0]
         if (layerConfig === undefined) {
             console.error("WEIRD: layer not found in the builtin layer overview")
         }
-        const importLayerJson = new CreateNoteImportLayer(365).convertStrict(convertState, <LayerConfigJson>layerConfig, "CompareToAlreadyExistingNotes")
+        const importLayerJson = new CreateNoteImportLayer(365).convertStrict(<LayerConfigJson>layerConfig, "CompareToAlreadyExistingNotes")
         const importLayer = new LayerConfig(importLayerJson, "import-layer-dynamic")
         const flayer: FilteredLayer = {
             appliedFilters: new UIEventSource<Map<string, FilterState>>(new Map<string, FilterState>()),
diff --git a/UI/ImportFlow/MapPreview.ts b/UI/ImportFlow/MapPreview.ts
index 16f531fd99..1929cd09aa 100644
--- a/UI/ImportFlow/MapPreview.ts
+++ b/UI/ImportFlow/MapPreview.ts
@@ -87,7 +87,7 @@ export class MapPreview extends Combine implements FlowStep<{ bbox: BBox, layer:
 
         const matching: UIEventSource<{ properties: any, geometry: { coordinates: [number, number] } }[]> = layerPicker.GetValue().map((layer: LayerConfig) => {
             if (layer === undefined) {
-                return undefined;
+                return [];
             }
             const matching: { properties: any, geometry: { coordinates: [number, number] } }[] = []
 
diff --git a/UI/ImportFlow/PreviewPanel.ts b/UI/ImportFlow/PreviewPanel.ts
index 8a917fd18d..fab9440c03 100644
--- a/UI/ImportFlow/PreviewPanel.ts
+++ b/UI/ImportFlow/PreviewPanel.ts
@@ -22,9 +22,7 @@ export class PreviewPanel extends Combine implements FlowStep<{ features: { prop
         state: UserRelatedState,
         geojson: { features: { properties: any, geometry: { coordinates: [number, number] } }[] }) {
         const t = Translations.t.importHelper;
-        console.log("Datapanel received", geojson)
-
-
+        
         const propertyKeys = new Set<string>()
         for (const f of geojson.features) {
             Object.keys(f.properties).forEach(key => propertyKeys.add(key))
@@ -36,7 +34,6 @@ export class PreviewPanel extends Combine implements FlowStep<{ features: { prop
         for (const key of Array.from(propertyKeys)) {
 
             const values = Utils.NoNull(geojson.features.map(f => f.properties[key]))
-            console.log("There are ", values.length, "features with attribute", key, "namely", values)
             const allSame = !values.some(v => v !== values[0])
             let countSummary: BaseUIElement
             if (values.length === n) {