diff --git a/assets/javascripts/discourse/components/modal/admin-wizards-columns.hbs b/assets/javascripts/discourse/components/modal/admin-wizards-columns.hbs
new file mode 100644
index 00000000..f83a92a0
--- /dev/null
+++ b/assets/javascripts/discourse/components/modal/admin-wizards-columns.hbs
@@ -0,0 +1,35 @@
+<DModal @closeModal={{@closeModal}} @title={{this.title}}>
+  {{#if loading}}
+    <LoadingSpinner size="large" />
+  {{else}}
+    <div class="edit-directory-columns-container">
+      {{#each this.args.model.columns as |column|}}
+        <div class="edit-directory-column">
+          <div class="left-content">
+            <label class="column-name">
+              <Input @type="checkbox" @checked={{column.enabled}} />
+              {{directory-table-header-title
+                field=column.label
+                translated=true
+              }}
+            </label>
+          </div>
+        </div>
+      {{/each}}
+    </div>
+  {{/if}}
+  <div class="modal-footer">
+    <DButton
+      class="btn-primary"
+      @label="directory.edit_columns.save"
+      @action={{action "save"}}
+    />
+
+    <DButton
+      class="btn-secondary reset-to-default"
+      @label="directory.edit_columns.reset_to_default"
+      @action={{action "resetToDefault"}}
+    />
+  </div>
+</DModal>
+
diff --git a/assets/javascripts/discourse/components/modal/admin-wizards-columns.js b/assets/javascripts/discourse/components/modal/admin-wizards-columns.js
new file mode 100644
index 00000000..87c6673f
--- /dev/null
+++ b/assets/javascripts/discourse/components/modal/admin-wizards-columns.js
@@ -0,0 +1,14 @@
+import Component from "@glimmer/component";
+import { action } from "@ember/object";
+
+export default class AdminWizardsColumnComponent extends Component {
+  title = I18n.t("admin.wizard.edit_columns");
+
+  @action save() {
+    this.args.closeModal();
+  }
+
+  @action resetToDefault() {
+    this.args.model.reset();
+  }
+}
diff --git a/assets/javascripts/discourse/components/modal/next-session-scheduled.hbs b/assets/javascripts/discourse/components/modal/next-session-scheduled.hbs
new file mode 100644
index 00000000..62d291f2
--- /dev/null
+++ b/assets/javascripts/discourse/components/modal/next-session-scheduled.hbs
@@ -0,0 +1,20 @@
+<DModal
+  @closeModal={{@closeModal}}
+  class="next-session-time-modal"
+  @title={{this.title}}
+>
+  <DateTimeInput
+    @date={{this.bufferedDateTime}}
+    @onChange={{action "dateTimeChanged"}}
+    @showTime="true"
+    @clearable="true"
+  />
+  <div class="modal-footer">
+    <DButton
+      @action={{action "submit"}}
+      class="btn-primary"
+      @label="admin.wizard.after_time_modal.done"
+      disabled={{this.submitDisabled}}
+    />
+  </div>
+</DModal>
\ No newline at end of file
diff --git a/assets/javascripts/discourse/components/modal/next-session-scheduled.js b/assets/javascripts/discourse/components/modal/next-session-scheduled.js
new file mode 100644
index 00000000..890ecc73
--- /dev/null
+++ b/assets/javascripts/discourse/components/modal/next-session-scheduled.js
@@ -0,0 +1,29 @@
+import Component from "@glimmer/component";
+import { tracked } from "@glimmer/tracking";
+import { action } from "@ember/object";
+
+export default class NextSessionScheduledComponent extends Component {
+  @tracked bufferedDateTime;
+  title = I18n.t("admin.wizard.after_time_modal.title");
+
+  constructor() {
+    super(...arguments);
+    this.bufferedDateTime = this.args.model.dateTime
+      ? moment(this.args.model.dateTime)
+      : moment(Date.now());
+  }
+
+  get submitDisabled() {
+    return moment().isAfter(this.bufferedDateTime);
+  }
+
+  @action submit() {
+    const dateTime = this.bufferedDateTime;
+    this.args.model.update(moment(dateTime).utc().toISOString());
+    this.args.closeModal();
+  }
+
+  @action dateTimeChanged(dateTime) {
+    this.bufferedDateTime = dateTime;
+  }
+}
diff --git a/assets/javascripts/discourse/controllers/admin-wizards-columns.js.es6 b/assets/javascripts/discourse/controllers/admin-wizards-columns.js.es6
deleted file mode 100644
index 4754c577..00000000
--- a/assets/javascripts/discourse/controllers/admin-wizards-columns.js.es6
+++ /dev/null
@@ -1,14 +0,0 @@
-import Controller from "@ember/controller";
-import ModalFunctionality from "discourse/mixins/modal-functionality";
-
-export default Controller.extend(ModalFunctionality, {
-  actions: {
-    save() {
-      this.send("closeModal");
-    },
-
-    resetToDefault() {
-      this.get("model.reset")();
-    },
-  },
-});
diff --git a/assets/javascripts/discourse/controllers/admin-wizards-submissions-show.js.es6 b/assets/javascripts/discourse/controllers/admin-wizards-submissions-show.js.es6
index 41dabbb4..dfcf3b7e 100644
--- a/assets/javascripts/discourse/controllers/admin-wizards-submissions-show.js.es6
+++ b/assets/javascripts/discourse/controllers/admin-wizards-submissions-show.js.es6
@@ -2,11 +2,13 @@ import Controller from "@ember/controller";
 import { empty } from "@ember/object/computed";
 import discourseComputed from "discourse-common/utils/decorators";
 import { fmt } from "discourse/lib/computed";
-import showModal from "discourse/lib/show-modal";
+import { inject as service } from "@ember/service";
+import AdminWizardsColumnsModal from "../components/modal/admin-wizards-columns";
 import CustomWizardAdmin from "../models/custom-wizard-admin";
 import { formatModel } from "../lib/wizard-submission";
 
 export default Controller.extend({
+  modal: service(),
   downloadUrl: fmt("wizard.id", "/admin/wizards/submissions/%@/download"),
   noResults: empty("submissions"),
   page: 0,
@@ -57,7 +59,7 @@ export default Controller.extend({
     },
 
     showEditColumnsModal() {
-      return showModal("admin-wizards-columns", {
+      return this.modal.show(AdminWizardsColumnsModal, {
         model: {
           columns: this.get("fields"),
           reset: () => {
diff --git a/assets/javascripts/discourse/controllers/admin-wizards-wizard-show.js.es6 b/assets/javascripts/discourse/controllers/admin-wizards-wizard-show.js.es6
index 75ea0ff7..6fa38b0b 100644
--- a/assets/javascripts/discourse/controllers/admin-wizards-wizard-show.js.es6
+++ b/assets/javascripts/discourse/controllers/admin-wizards-wizard-show.js.es6
@@ -3,7 +3,8 @@ import {
   observes,
 } from "discourse-common/utils/decorators";
 import { notEmpty } from "@ember/object/computed";
-import showModal from "discourse/lib/show-modal";
+import { inject as service } from "@ember/service";
+import NextSessionScheduledModal from "../components/modal/next-session-scheduled";
 import { generateId, wizardFieldList } from "../lib/wizard";
 import { dasherize } from "@ember/string";
 import { later, scheduleOnce } from "@ember/runloop";
@@ -13,6 +14,7 @@ import I18n from "I18n";
 import { filterValues } from "discourse/plugins/discourse-custom-wizard/discourse/lib/wizard-schema";
 
 export default Controller.extend({
+  modal: service(),
   hasName: notEmpty("wizard.name"),
 
   @observes("currentStep")
@@ -126,7 +128,7 @@ export default Controller.extend({
     },
 
     setNextSessionScheduled() {
-      let controller = showModal("next-session-scheduled", {
+      this.modal.show(NextSessionScheduledModal, {
         model: {
           dateTime: this.wizard.after_time_scheduled,
           update: (dateTime) =>
@@ -134,7 +136,7 @@ export default Controller.extend({
         },
       });
 
-      controller.setup();
+      // controller.setup();
     },
 
     copyUrl() {
diff --git a/assets/javascripts/discourse/controllers/next-session-scheduled.js.es6 b/assets/javascripts/discourse/controllers/next-session-scheduled.js.es6
deleted file mode 100644
index b8f51d1f..00000000
--- a/assets/javascripts/discourse/controllers/next-session-scheduled.js.es6
+++ /dev/null
@@ -1,30 +0,0 @@
-import { default as discourseComputed } from "discourse-common/utils/decorators";
-import Controller from "@ember/controller";
-
-export default Controller.extend({
-  title: "admin.wizard.after_time_modal.title",
-
-  setup() {
-    this.set(
-      "bufferedDateTime",
-      this.model.dateTime ? moment(this.model.dateTime) : moment(Date.now())
-    );
-  },
-
-  @discourseComputed("bufferedDateTime")
-  submitDisabled(dateTime) {
-    return moment().isAfter(dateTime);
-  },
-
-  actions: {
-    submit() {
-      const dateTime = this.get("bufferedDateTime");
-      this.get("model.update")(moment(dateTime).utc().toISOString());
-      this.send("closeModal");
-    },
-
-    dateTimeChanged(dateTime) {
-      this.set("bufferedDateTime", dateTime);
-    },
-  },
-});
diff --git a/assets/javascripts/discourse/templates/modal/admin-wizards-columns.hbs b/assets/javascripts/discourse/templates/modal/admin-wizards-columns.hbs
deleted file mode 100644
index b37a92bf..00000000
--- a/assets/javascripts/discourse/templates/modal/admin-wizards-columns.hbs
+++ /dev/null
@@ -1,35 +0,0 @@
-{{#d-modal-body title="admin.wizard.edit_columns"}}
-  {{#if loading}}
-    {{loading-spinner size="large"}}
-  {{else}}
-    <div class="edit-directory-columns-container">
-      {{#each model.columns as |column|}}
-        <div class="edit-directory-column">
-          <div class="left-content">
-            <label class="column-name">
-              {{input type="checkbox" checked=column.enabled}}
-              {{directory-table-header-title
-                field=column.label
-                translated=true
-              }}
-            </label>
-          </div>
-        </div>
-      {{/each}}
-    </div>
-  {{/if}}
-{{/d-modal-body}}
-
-<div class="modal-footer">
-  {{d-button
-    class="btn-primary"
-    label="directory.edit_columns.save"
-    action=(action "save")
-  }}
-
-  {{d-button
-    class="btn-secondary reset-to-default"
-    label="directory.edit_columns.reset_to_default"
-    action=(action "resetToDefault")
-  }}
-</div>
\ No newline at end of file
diff --git a/assets/javascripts/discourse/templates/modal/next-session-scheduled.hbs b/assets/javascripts/discourse/templates/modal/next-session-scheduled.hbs
deleted file mode 100644
index c7e52a56..00000000
--- a/assets/javascripts/discourse/templates/modal/next-session-scheduled.hbs
+++ /dev/null
@@ -1,17 +0,0 @@
-{{#d-modal-body class="next-session-time-modal" title=title}}
-  {{date-time-input
-    date=bufferedDateTime
-    onChange=(action "dateTimeChanged")
-    showTime=true
-    clearable=true
-  }}
-{{/d-modal-body}}
-
-<div class="modal-footer">
-  {{d-button
-    action=(action "submit")
-    class="btn-primary"
-    label="admin.wizard.after_time_modal.done"
-    disabled=submitDisabled
-  }}
-</div>
\ No newline at end of file