diff --git a/x-pack/legacy/plugins/maps/public/layers/sources/es_search_source/es_search_source.js b/x-pack/legacy/plugins/maps/public/layers/sources/es_search_source/es_search_source.js
index c4e6bdc0b7d98..d852332ac2f84 100644
--- a/x-pack/legacy/plugins/maps/public/layers/sources/es_search_source/es_search_source.js
+++ b/x-pack/legacy/plugins/maps/public/layers/sources/es_search_source/es_search_source.js
@@ -137,6 +137,7 @@ export class ESSearchSource extends AbstractESSource {
           return this.createField({ fieldName: field.name });
         });
     } catch (error) {
+      // failed index-pattern retrieval will show up as error-message in the layer-toc-entry
       return [];
     }
   }
diff --git a/x-pack/legacy/plugins/maps/public/layers/styles/vector/vector_style.js b/x-pack/legacy/plugins/maps/public/layers/styles/vector/vector_style.js
index 8334e6eac0afb..8e7cd8ed9831c 100644
--- a/x-pack/legacy/plugins/maps/public/layers/styles/vector/vector_style.js
+++ b/x-pack/legacy/plugins/maps/public/layers/styles/vector/vector_style.js
@@ -580,7 +580,6 @@ export class VectorStyle extends AbstractStyle {
   }
 
   setMBPropertiesForLabelText({ alpha, mbMap, textLayerId }) {
-    mbMap.setLayoutProperty(textLayerId, 'visibility', 'visible');
     mbMap.setLayoutProperty(textLayerId, 'icon-allow-overlap', true);
     mbMap.setLayoutProperty(textLayerId, 'text-allow-overlap', true);
     this._labelStyleProperty.syncTextFieldWithMb(textLayerId, mbMap);
diff --git a/x-pack/legacy/plugins/maps/public/layers/styles/vector/vector_style_defaults.js b/x-pack/legacy/plugins/maps/public/layers/styles/vector/vector_style_defaults.js
index c4ff10f5d781d..4bae90c3165f2 100644
--- a/x-pack/legacy/plugins/maps/public/layers/styles/vector/vector_style_defaults.js
+++ b/x-pack/legacy/plugins/maps/public/layers/styles/vector/vector_style_defaults.js
@@ -13,6 +13,8 @@ const DEFAULT_ICON = 'airfield';
 
 export const MIN_SIZE = 1;
 export const MAX_SIZE = 64;
+export const DEFAULT_MIN_SIZE = 4;
+export const DEFAULT_MAX_SIZE = 32;
 export const DEFAULT_SIGMA = 3;
 
 export const VECTOR_STYLES = {
@@ -146,8 +148,8 @@ export function getDefaultDynamicProperties() {
     [VECTOR_STYLES.ICON_SIZE]: {
       type: VectorStyle.STYLE_TYPE.DYNAMIC,
       options: {
-        minSize: 4,
-        maxSize: 32,
+        minSize: DEFAULT_MIN_SIZE,
+        maxSize: DEFAULT_MAX_SIZE,
         field: undefined,
         fieldMetaOptions: {
           isEnabled: true,
@@ -185,8 +187,8 @@ export function getDefaultDynamicProperties() {
     [VECTOR_STYLES.LABEL_SIZE]: {
       type: VectorStyle.STYLE_TYPE.STATIC,
       options: {
-        minSize: 4,
-        maxSize: 32,
+        minSize: DEFAULT_MIN_SIZE,
+        maxSize: DEFAULT_MAX_SIZE,
         field: undefined,
         fieldMetaOptions: {
           isEnabled: true,
diff --git a/x-pack/legacy/plugins/maps/public/layers/vector_layer.js b/x-pack/legacy/plugins/maps/public/layers/vector_layer.js
index 0fcfb13bb2bcc..6ebc1b3d95250 100644
--- a/x-pack/legacy/plugins/maps/public/layers/vector_layer.js
+++ b/x-pack/legacy/plugins/maps/public/layers/vector_layer.js
@@ -630,6 +630,9 @@ export class VectorLayer extends AbstractLayer {
     const pointLayer = mbMap.getLayer(pointLayerId);
     const symbolLayer = mbMap.getLayer(symbolLayerId);
 
+    // Point layers symbolized as circles require 2 mapbox layers because
+    // "circle" layers do not support "text" style properties
+    // Point layers symbolized as icons only contain a single mapbox layer.
     let markerLayerId;
     let textLayerId;
     if (this._style.arePointsSymbolizedAsCircles()) {