diff --git a/app/assets/javascripts/admin/addon/components/form-template/row-item.js b/app/assets/javascripts/admin/addon/components/form-template/row-item.js
index c4de1a616c2..b5e8dd30066 100644
--- a/app/assets/javascripts/admin/addon/components/form-template/row-item.js
+++ b/app/assets/javascripts/admin/addon/components/form-template/row-item.js
@@ -12,7 +12,7 @@ export default class FormTemplateRowItem extends Component {
   @service site;
 
   get activeCategories() {
-    return this.site?.categories?.filter((c) =>
+    return this.site.categories?.filter((c) =>
       c["form_template_ids"].includes(this.args.template.id)
     );
   }
diff --git a/app/assets/javascripts/discourse/app/components/json-editor.js b/app/assets/javascripts/discourse/app/components/json-editor.js
index 2f622a6f1dd..a02a7cc9fdb 100644
--- a/app/assets/javascripts/discourse/app/components/json-editor.js
+++ b/app/assets/javascripts/discourse/app/components/json-editor.js
@@ -53,7 +53,7 @@ export default Component.extend({
     const errors = this.editor.validate();
     if (!errors.length) {
       const fieldValue = JSON.stringify(this.editor.getValue());
-      this?.saveChangesCallback(fieldValue);
+      this.saveChangesCallback(fieldValue);
     } else {
       this.appEvents.trigger("modal-body:flash", {
         text: errors.mapBy("message").join("\n"),
diff --git a/app/assets/javascripts/discourse/app/components/quote-button.js b/app/assets/javascripts/discourse/app/components/quote-button.js
index ac3b3cdceed..86a04d13c73 100644
--- a/app/assets/javascripts/discourse/app/components/quote-button.js
+++ b/app/assets/javascripts/discourse/app/components/quote-button.js
@@ -403,7 +403,7 @@ export default Component.extend(KeyEnterEscape, {
             }
           });
 
-          this?.editPost(postModel);
+          this.editPost(postModel);
 
           afterTransition(document.querySelector("#reply-control"), () => {
             const textarea = document.querySelector(".d-editor-input");
diff --git a/app/assets/javascripts/select-kit/addon/components/select-kit.js b/app/assets/javascripts/select-kit/addon/components/select-kit.js
index 71df384ac26..7330ce0e7b1 100644
--- a/app/assets/javascripts/select-kit/addon/components/select-kit.js
+++ b/app/assets/javascripts/select-kit/addon/components/select-kit.js
@@ -852,7 +852,7 @@ export default Component.extend(
       this.clearErrors();
 
       const inModal = this.element.closest("#discourse-modal");
-      if (inModal && this?.site?.mobileView) {
+      if (inModal && this.site.mobileView) {
         const modalBody = inModal.querySelector(".modal-body");
         modalBody.style = "";
       }
@@ -1061,7 +1061,7 @@ export default Component.extend(
     handleDeprecations() {
       this._deprecateValueAttribute();
       this._deprecateMutations();
-      this._handleDeprecatdArgs();
+      this._handleDeprecatedArgs();
     },
 
     _computePlacementStrategy() {
@@ -1071,7 +1071,7 @@ export default Component.extend(
         return placementStrategy;
       }
 
-      if (this.capabilities?.isIpadOS || this.site?.mobileView) {
+      if (this.capabilities.isIpadOS || this.site.mobileView) {
         placementStrategy =
           this.selectKit.options.mobilePlacementStrategy || "absolute";
       } else {
@@ -1160,7 +1160,7 @@ export default Component.extend(
       return resolvedDeprecations;
     },
 
-    _handleDeprecatdArgs() {
+    _handleDeprecatedArgs() {
       const migrations = {
         headerIcon: "icon",
         onExpand: "onOpen",
diff --git a/app/assets/javascripts/select-kit/addon/components/select-kit/select-kit-row.js b/app/assets/javascripts/select-kit/addon/components/select-kit/select-kit-row.js
index 79eeb5a7007..60b7ade8782 100644
--- a/app/assets/javascripts/select-kit/addon/components/select-kit/select-kit-row.js
+++ b/app/assets/javascripts/select-kit/addon/components/select-kit/select-kit-row.js
@@ -38,7 +38,7 @@ export default Component.extend(UtilsMixin, {
   didInsertElement() {
     this._super(...arguments);
 
-    if (!this?.site?.mobileView) {
+    if (!this.site.mobileView) {
       this.element.addEventListener("mouseenter", this.handleMouseEnter);
       this.element.addEventListener("focus", this.handleMouseEnter);
       this.element.addEventListener("blur", this.handleBlur);
@@ -47,7 +47,8 @@ export default Component.extend(UtilsMixin, {
 
   willDestroyElement() {
     this._super(...arguments);
-    if (!this?.site?.mobileView && this.element) {
+
+    if (!this.site.mobileView) {
       this.element.removeEventListener("mouseenter", this.handleBlur);
       this.element.removeEventListener("focus", this.handleMouseEnter);
       this.element.removeEventListener("blur", this.handleMouseEnter);