diff --git a/umap/static/umap/js/modules/browser.js b/umap/static/umap/js/modules/browser.js
index 6afdf92d..2c7cfdec 100644
--- a/umap/static/umap/js/modules/browser.js
+++ b/umap/static/umap/js/modules/browser.js
@@ -1,5 +1,6 @@
 import { DomEvent, DomUtil, stamp } from '../../vendors/leaflet/leaflet-src.esm.js'
 import { translate } from './i18n.js'
+import * as Icon from './rendering/icon.js'
 
 export default class Browser {
   constructor(map) {
@@ -34,14 +35,14 @@ export default class Browser {
     const colorBox = DomUtil.create('i', 'icon icon-16 feature-color', row)
     const title = DomUtil.create('span', 'feature-title', row)
     const symbol = feature._getIconUrl
-      ? U.Icon.prototype.formatUrl(feature._getIconUrl(), feature)
+      ? Icon.formatUrl(feature._getIconUrl(), feature)
       : null
     title.textContent = feature.getDisplayName() || '—'
     const bgcolor = feature.getPreviewColor()
     colorBox.style.backgroundColor = bgcolor
     if (symbol && symbol !== U.SCHEMA.iconUrl.default) {
-      const icon = U.Icon.makeIconElement(symbol, colorBox)
-      U.Icon.setIconContrast(icon, colorBox, symbol, bgcolor)
+      const icon = Icon.makeElement(symbol, colorBox)
+      Icon.setContrast(icon, colorBox, symbol, bgcolor)
     }
     const viewFeature = (e) => {
       feature.zoomTo({ ...e, callback: feature.view })
diff --git a/umap/static/umap/js/modules/global.js b/umap/static/umap/js/modules/global.js
index a6c2b341..61a92802 100644
--- a/umap/static/umap/js/modules/global.js
+++ b/umap/static/umap/js/modules/global.js
@@ -25,6 +25,7 @@ import { EditPanel, FullPanel, Panel } from './ui/panel.js'
 import Tooltip from './ui/tooltip.js'
 import URLs from './urls.js'
 import * as Utils from './utils.js'
+import * as Icon from './rendering/icon.js'
 import { DataLayer, LAYER_TYPES } from './data/layer.js'
 import { DataLayerPermissions, MapPermissions } from './permissions.js'
 import { Point, LineString, Polygon } from './data/features.js'
@@ -51,6 +52,7 @@ window.U = {
   FullPanel,
   Help,
   HTTPError,
+  Icon,
   Importer,
   LAYER_TYPES,
   LeafletMarker,
diff --git a/umap/static/umap/js/umap.icon.js b/umap/static/umap/js/modules/rendering/icon.js
similarity index 66%
rename from umap/static/umap/js/umap.icon.js
rename to umap/static/umap/js/modules/rendering/icon.js
index 33c0651e..6a90d480 100644
--- a/umap/static/umap/js/umap.icon.js
+++ b/umap/static/umap/js/modules/rendering/icon.js
@@ -1,15 +1,36 @@
-U.Icon = L.DivIcon.extend({
-  statics: {
-    RECENT: [],
-  },
+import {
+  DomEvent,
+  DomUtil,
+  DivIcon,
+  Icon,
+} from '../../../vendors/leaflet/leaflet-src.esm.js'
+import * as Utils from '../utils.js'
+import { SCHEMA } from '../schema.js'
+
+export function getClass(name) {
+  switch (name) {
+    case 'Circle':
+      return Circle
+    case 'Ball':
+      return Ball
+    case 'Drop':
+      return Drop
+    default:
+      return DefaultIcon
+  }
+}
+
+export const RECENT = []
+
+const BaseIcon = L.DivIcon.extend({
   initialize: function (options) {
     const default_options = {
       iconSize: null, // Made in css
-      iconUrl: U.SCHEMA.iconUrl.default,
+      iconUrl: SCHEMA.iconUrl.default,
       feature: null,
     }
     options = L.Util.extend({}, default_options, options)
-    L.Icon.prototype.initialize.call(this, options)
+    Icon.prototype.initialize.call(this, options)
     this.feature = this.options.feature
     if (this.feature?.isReadOnly()) {
       this.options.className += ' readonly'
@@ -17,10 +38,10 @@ U.Icon = L.DivIcon.extend({
   },
 
   _setRecent: (url) => {
-    if (U.Utils.hasVar(url)) return
-    if (url === U.SCHEMA.iconUrl.default) return
-    if (U.Icon.RECENT.indexOf(url) === -1) {
-      U.Icon.RECENT.push(url)
+    if (Utils.hasVar(url)) return
+    if (url === SCHEMA.iconUrl.default) return
+    if (RECENT.indexOf(url) === -1) {
+      RECENT.push(url)
     }
   },
 
@@ -32,29 +53,26 @@ U.Icon = L.DivIcon.extend({
     } else {
       url = this.options[`${name}Url`]
     }
-    return this.formatUrl(url, this.feature)
+    return formatUrl(url, this.feature)
   },
 
   _getColor: function () {
     let color
     if (this.feature) color = this.feature.getDynamicOption('color')
     else if (this.options.color) color = this.options.color
-    else color = U.SCHEMA.color.default
+    else color = SCHEMA.color.default
     return color
   },
 
   _getOpacity: function () {
     if (this.feature) return this.feature.getOption('iconOpacity')
-    return U.SCHEMA.iconOpacity.default
+    return SCHEMA.iconOpacity.default
   },
 
-  formatUrl: (url, feature) =>
-    U.Utils.greedyTemplate(url || '', feature ? feature.extendedProperties() : {}),
-
   onAdd: () => {},
 })
 
-U.Icon.Default = U.Icon.extend({
+const DefaultIcon = BaseIcon.extend({
   default_options: {
     iconAnchor: new L.Point(16, 40),
     popupAnchor: new L.Point(0, -40),
@@ -64,11 +82,11 @@ U.Icon.Default = U.Icon.extend({
 
   initialize: function (options) {
     options = L.Util.extend({}, this.default_options, options)
-    U.Icon.prototype.initialize.call(this, options)
+    BaseIcon.prototype.initialize.call(this, options)
   },
 
   _setIconStyles: function (img, name) {
-    U.Icon.prototype._setIconStyles.call(this, img, name)
+    BaseIcon.prototype._setIconStyles.call(this, img, name)
     const color = this._getColor()
     const opacity = this._getOpacity()
     this.elements.container.style.backgroundColor = color
@@ -80,29 +98,29 @@ U.Icon.Default = U.Icon.extend({
   onAdd: function () {
     const src = this._getIconUrl('icon')
     const bgcolor = this._getColor()
-    U.Icon.setIconContrast(this.elements.icon, this.elements.container, src, bgcolor)
+    setContrast(this.elements.icon, this.elements.container, src, bgcolor)
   },
 
   createIcon: function () {
     this.elements = {}
-    this.elements.main = L.DomUtil.create('div')
-    this.elements.container = L.DomUtil.create(
+    this.elements.main = DomUtil.create('div')
+    this.elements.container = DomUtil.create(
       'div',
       'icon_container',
       this.elements.main
     )
     this.elements.main.dataset.feature = this.feature?.id
-    this.elements.arrow = L.DomUtil.create('div', 'icon_arrow', this.elements.main)
+    this.elements.arrow = DomUtil.create('div', 'icon_arrow', this.elements.main)
     const src = this._getIconUrl('icon')
     if (src) {
-      this.elements.icon = U.Icon.makeIconElement(src, this.elements.container)
+      this.elements.icon = makeElement(src, this.elements.container)
     }
     this._setIconStyles(this.elements.main, 'icon')
     return this.elements.main
   },
 })
 
-U.Icon.Circle = U.Icon.extend({
+const Circle = BaseIcon.extend({
   initialize: function (options) {
     const default_options = {
       popupAnchor: new L.Point(0, -6),
@@ -110,18 +128,18 @@ U.Icon.Circle = U.Icon.extend({
       className: 'umap-circle-icon',
     }
     options = L.Util.extend({}, default_options, options)
-    U.Icon.prototype.initialize.call(this, options)
+    BaseIcon.prototype.initialize.call(this, options)
   },
 
   _setIconStyles: function (img, name) {
-    U.Icon.prototype._setIconStyles.call(this, img, name)
+    BaseIcon.prototype._setIconStyles.call(this, img, name)
     this.elements.main.style.backgroundColor = this._getColor()
     this.elements.main.style.opacity = this._getOpacity()
   },
 
   createIcon: function () {
     this.elements = {}
-    this.elements.main = L.DomUtil.create('div')
+    this.elements.main = DomUtil.create('div')
     this.elements.main.innerHTML = ' '
     this._setIconStyles(this.elements.main, 'icon')
     this.elements.main.dataset.feature = this.feature?.id
@@ -129,7 +147,7 @@ U.Icon.Circle = U.Icon.extend({
   },
 })
 
-U.Icon.Drop = U.Icon.Default.extend({
+const Drop = DefaultIcon.extend({
   default_options: {
     iconAnchor: new L.Point(16, 42),
     popupAnchor: new L.Point(0, -42),
@@ -138,7 +156,7 @@ U.Icon.Drop = U.Icon.Default.extend({
   },
 })
 
-U.Icon.Ball = U.Icon.Default.extend({
+const Ball = DefaultIcon.extend({
   default_options: {
     iconAnchor: new L.Point(8, 30),
     popupAnchor: new L.Point(0, -28),
@@ -148,20 +166,20 @@ U.Icon.Ball = U.Icon.Default.extend({
 
   createIcon: function () {
     this.elements = {}
-    this.elements.main = L.DomUtil.create('div')
-    this.elements.container = L.DomUtil.create(
+    this.elements.main = DomUtil.create('div')
+    this.elements.container = DomUtil.create(
       'div',
       'icon_container',
       this.elements.main
     )
     this.elements.main.dataset.feature = this.feature?.id
-    this.elements.arrow = L.DomUtil.create('div', 'icon_arrow', this.elements.main)
+    this.elements.arrow = DomUtil.create('div', 'icon_arrow', this.elements.main)
     this._setIconStyles(this.elements.main, 'icon')
     return this.elements.main
   },
 
   _setIconStyles: function (img, name) {
-    U.Icon.prototype._setIconStyles.call(this, img, name)
+    BaseIcon.prototype._setIconStyles.call(this, img, name)
     const color = this._getColor('color')
     let background
     if (L.Browser.ielt9) {
@@ -176,7 +194,7 @@ U.Icon.Ball = U.Icon.Default.extend({
   },
 })
 
-U.Icon.Cluster = L.DivIcon.extend({
+export const Cluster = DivIcon.extend({
   options: {
     iconSize: [40, 40],
   },
@@ -187,9 +205,9 @@ U.Icon.Cluster = L.DivIcon.extend({
   },
 
   createIcon: function () {
-    const container = L.DomUtil.create('div', 'leaflet-marker-icon marker-cluster')
-    const div = L.DomUtil.create('div', '', container)
-    const span = L.DomUtil.create('span', '', div)
+    const container = DomUtil.create('div', 'leaflet-marker-icon marker-cluster')
+    const div = DomUtil.create('div', '', container)
+    const span = DomUtil.create('span', '', div)
     const backgroundColor = this.datalayer.getColor()
     span.textContent = this.cluster.getChildCount()
     div.style.backgroundColor = backgroundColor
@@ -202,27 +220,28 @@ U.Icon.Cluster = L.DivIcon.extend({
     if (this.datalayer.options.cluster?.textColor) {
       color = this.datalayer.options.cluster.textColor
     }
-    return color || L.DomUtil.TextColorFromBackgroundColor(el, backgroundColor)
+    return color || DomUtil.TextColorFromBackgroundColor(el, backgroundColor)
   },
 })
 
-U.Icon.isImg = (src) =>
-  U.Utils.isPath(src) || U.Utils.isRemoteUrl(src) || U.Utils.isDataImage(src)
+export function isImg(src) {
+  return Utils.isPath(src) || Utils.isRemoteUrl(src) || Utils.isDataImage(src)
+}
 
-U.Icon.makeIconElement = (src, parent) => {
+export function makeElement(src, parent) {
   let icon
-  if (U.Icon.isImg(src)) {
-    icon = L.DomUtil.create('img')
+  if (isImg(src)) {
+    icon = DomUtil.create('img')
     icon.src = src
   } else {
-    icon = L.DomUtil.create('span')
+    icon = DomUtil.create('span')
     icon.textContent = src
   }
   parent.appendChild(icon)
   return icon
 }
 
-U.Icon.setIconContrast = (icon, parent, src, bgcolor) => {
+export function setContrast(icon, parent, src, bgcolor) {
   /*
    * icon: the element we'll adapt the style, it can be an image or text
    * parent: the element we'll consider to decide whether to adapt the style,
@@ -233,14 +252,10 @@ U.Icon.setIconContrast = (icon, parent, src, bgcolor) => {
    */
   if (!icon) return
 
-  if (L.DomUtil.contrastedColor(parent, bgcolor)) {
+  if (DomUtil.contrastedColor(parent, bgcolor)) {
     // Decide whether to switch svg to white or not, but do it
     // only for internal SVG, as invert could do weird things
-    if (
-      U.Utils.isPath(src) &&
-      src.endsWith('.svg') &&
-      src !== U.SCHEMA.iconUrl.default
-    ) {
+    if (Utils.isPath(src) && src.endsWith('.svg') && src !== SCHEMA.iconUrl.default) {
       // Must be called after icon container is added to the DOM
       // An image
       icon.style.filter = 'invert(1)'
@@ -250,3 +265,7 @@ U.Icon.setIconContrast = (icon, parent, src, bgcolor) => {
     }
   }
 }
+
+export function formatUrl(url, feature) {
+  return Utils.greedyTemplate(url || '', feature ? feature.extendedProperties() : {})
+}
diff --git a/umap/static/umap/js/modules/rendering/layers/cluster.js b/umap/static/umap/js/modules/rendering/layers/cluster.js
index d0623bcf..af206795 100644
--- a/umap/static/umap/js/modules/rendering/layers/cluster.js
+++ b/umap/static/umap/js/modules/rendering/layers/cluster.js
@@ -1,10 +1,10 @@
 // WARNING must be loaded dynamically, or at least after leaflet.markercluster
 // Uses global L.MarkerCluster and L.MarkerClusterGroup, not exposed as ESM
-// Uses global U.Icon not yet a module
 import { translate } from '../../i18n.js'
 import { LayerMixin } from './base.js'
 import * as Utils from '../../utils.js'
 import { Evented } from '../../../../vendors/leaflet/leaflet-src.esm.js'
+import { Cluster as ClusterIcon } from '../icon.js'
 
 const MarkerCluster = L.MarkerCluster.extend({
   // Custom class so we can call computeTextColor
@@ -34,7 +34,7 @@ export const Cluster = L.MarkerClusterGroup.extend({
       polygonOptions: {
         color: this.datalayer.getColor(),
       },
-      iconCreateFunction: (cluster) => new U.Icon.Cluster(datalayer, cluster),
+      iconCreateFunction: (cluster) => new ClusterIcon(datalayer, cluster),
     }
     if (this.datalayer.options.cluster?.radius) {
       options.maxClusterRadius = this.datalayer.options.cluster.radius
diff --git a/umap/static/umap/js/modules/rendering/template.js b/umap/static/umap/js/modules/rendering/template.js
index cb032dc1..e320356e 100644
--- a/umap/static/umap/js/modules/rendering/template.js
+++ b/umap/static/umap/js/modules/rendering/template.js
@@ -1,6 +1,7 @@
 import { DomUtil, DomEvent } from '../../../vendors/leaflet/leaflet-src.esm.js'
 import { translate, getLocale } from '../i18n.js'
 import * as Utils from '../utils.js'
+import * as Icon from './icon.js'
 
 export default function loadTemplate(name, feature, container) {
   let klass = PopupTemplate
@@ -160,9 +161,9 @@ class OSM extends TitleMixin(PopupTemplate) {
     const color = feature.getPreviewColor()
     title.style.backgroundColor = color
     const iconUrl = feature.getDynamicOption('iconUrl')
-    const icon = U.Icon.makeIconElement(iconUrl, title)
+    const icon = Icon.makeElement(iconUrl, title)
     DomUtil.addClass(icon, 'icon')
-    U.Icon.setIconContrast(icon, title, iconUrl, color)
+    Icon.setContrast(icon, title, iconUrl, color)
     if (DomUtil.contrastedColor(title, color)) title.style.color = 'white'
     DomUtil.add('span', '', title, this.getName(feature))
     const street = props['addr:street']
diff --git a/umap/static/umap/js/modules/rendering/ui.js b/umap/static/umap/js/modules/rendering/ui.js
index ad799a59..f86888c6 100644
--- a/umap/static/umap/js/modules/rendering/ui.js
+++ b/umap/static/umap/js/modules/rendering/ui.js
@@ -11,6 +11,7 @@ import {
 import { translate } from '../i18n.js'
 import { uMapAlert as Alert } from '../../components/alerts/alert.js'
 import * as Utils from '../utils.js'
+import * as Icon from './icon.js'
 
 const FeatureMixin = {
   initialize: function (feature, latlngs) {
@@ -219,7 +220,7 @@ export const LeafletMarker = Marker.extend({
   },
 
   getIcon: function () {
-    const Class = U.Icon[this.getIconClass()] || U.Icon.Default
+    const Class = Icon.getClass(this.getIconClass())
     return new Class({ feature: this.feature })
   },
 
diff --git a/umap/static/umap/js/umap.forms.js b/umap/static/umap/js/umap.forms.js
index 4288a4c8..cb6760d8 100644
--- a/umap/static/umap/js/umap.forms.js
+++ b/umap/static/umap/js/umap.forms.js
@@ -550,7 +550,7 @@ L.FormBuilder.IconUrl = L.FormBuilder.BlurInput.extend({
       // Do not try to render URL with variables
       const box = L.DomUtil.create('div', 'umap-pictogram-choice', this.buttons)
       L.DomEvent.on(box, 'click', this.onDefine, this)
-      const icon = U.Icon.makeIconElement(this.value(), box)
+      const icon = U.Icon.makeElement(this.value(), box)
     }
     this.button = L.DomUtil.createButton(
       'button action-button',
@@ -571,7 +571,7 @@ L.FormBuilder.IconUrl = L.FormBuilder.BlurInput.extend({
     if (search && U.Utils.normalize(title).indexOf(search) === -1) return
     const className = value === this.value() ? `${baseClass} selected` : baseClass
     const container = L.DomUtil.create('div', className, parent)
-    U.Icon.makeIconElement(value, container)
+    U.Icon.makeElement(value, container)
     container.title = title
     L.DomEvent.on(
       container,
diff --git a/umap/templates/umap/js.html b/umap/templates/umap/js.html
index 593e8226..9f36ea47 100644
--- a/umap/templates/umap/js.html
+++ b/umap/templates/umap/js.html
@@ -45,7 +45,6 @@
         defer></script>
 <script src="{% static 'umap/js/umap.core.js' %}" defer></script>
 <script src="{% static 'umap/js/umap.forms.js' %}" defer></script>
-<script src="{% static 'umap/js/umap.icon.js' %}" defer></script>
 <script src="{% static 'umap/js/umap.controls.js' %}" defer></script>
 <script src="{% static 'umap/js/umap.js' %}" defer></script>
 <script src="{% static 'umap/js/components/fragment.js' %}" defer></script>