diff --git a/app/assets/javascripts/discourse/app/templates/modal/sidebar-section-form.hbs b/app/assets/javascripts/discourse/app/templates/modal/sidebar-section-form.hbs
index 66c864a0ca..fe5ac508c5 100644
--- a/app/assets/javascripts/discourse/app/templates/modal/sidebar-section-form.hbs
+++ b/app/assets/javascripts/discourse/app/templates/modal/sidebar-section-form.hbs
@@ -26,7 +26,6 @@
             @value={{link.icon}}
             @options={{hash maximum=1}}
             class={{link.iconCssClass}}
-            @onlyAvailable={{true}}
             @onChange={{action (mut link.icon)}}
           />
         </div>
diff --git a/app/assets/javascripts/discourse/tests/integration/components/select-kit/icon-picker-test.js b/app/assets/javascripts/discourse/tests/integration/components/select-kit/icon-picker-test.js
deleted file mode 100644
index 1648940c9d..0000000000
--- a/app/assets/javascripts/discourse/tests/integration/components/select-kit/icon-picker-test.js
+++ /dev/null
@@ -1,58 +0,0 @@
-import { module, test } from "qunit";
-import { setupRenderingTest } from "discourse/tests/helpers/component-test";
-import { render } from "@ember/test-helpers";
-import { hbs } from "ember-cli-htmlbars";
-import selectKit from "discourse/tests/helpers/select-kit-helper";
-import { queryAll } from "discourse/tests/helpers/qunit-helpers";
-import pretender, { response } from "discourse/tests/helpers/create-pretender";
-import { setIconList } from "discourse-common/lib/icon-library";
-
-module("Integration | Component | select-kit/icon-picker", function (hooks) {
-  setupRenderingTest(hooks);
-
-  hooks.beforeEach(function () {
-    this.set("subject", selectKit());
-    setIconList(["ad", "link"]);
-
-    pretender.get("/svg-sprite/picker-search", () => {
-      return response([
-        { id: "ad", symbol: "" },
-        { id: "bacon", symbol: "" },
-        { id: "link", symbol: [] },
-      ]);
-    });
-  });
-
-  test("content", async function (assert) {
-    await render(hbs`
-      <IconPicker
-        @name="icon"
-        @value={{this.value}}
-        @content={{this.content}}
-      />
-    `);
-
-    await this.subject.expand();
-    const icons = [...queryAll(".select-kit-row .name")].map(
-      (el) => el.innerText
-    );
-    assert.deepEqual(icons, ["ad", "bacon", "link"]);
-  });
-
-  test("only available", async function (assert) {
-    await render(hbs`
-      <IconPicker
-        @name="icon"
-        @value={{this.value}}
-        @content={{this.content}}
-        @onlyAvailable={{true}}
-      />
-    `);
-
-    await this.subject.expand();
-    const icons = [...queryAll(".select-kit-row .name")].map(
-      (el) => el.innerText
-    );
-    assert.deepEqual(icons, ["ad", "link"]);
-  });
-});
diff --git a/app/assets/javascripts/select-kit/addon/components/icon-picker.js b/app/assets/javascripts/select-kit/addon/components/icon-picker.js
index 2ce9d6f77b..ab6553acbd 100644
--- a/app/assets/javascripts/select-kit/addon/components/icon-picker.js
+++ b/app/assets/javascripts/select-kit/addon/components/icon-picker.js
@@ -2,7 +2,6 @@ import {
   convertIconClass,
   disableMissingIconWarning,
   enableMissingIconWarning,
-  isExistingIconId,
 } from "discourse-common/lib/icon-library";
 import MultiSelectComponent from "select-kit/components/multi-select";
 import { computed } from "@ember/object";
@@ -40,9 +39,6 @@ export default MultiSelectComponent.extend({
         data: { filter },
       }).then((icons) => {
         icons = icons.map(this._processIcon);
-        if (this.onlyAvailable) {
-          icons = icons.filter(this._iconExists);
-        }
         if (filter === "") {
           this._cachedIconsList = icons;
         }
@@ -51,10 +47,6 @@ export default MultiSelectComponent.extend({
     }
   },
 
-  _iconExists(icon) {
-    return isExistingIconId(icon.id);
-  },
-
   _processIcon(icon) {
     const iconName = typeof icon === "object" ? icon.id : icon,
       strippedIconName = convertIconClass(iconName);