diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index 112a707d5..e2ae4ae3b 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -16403,7 +16403,7 @@ interface HTMLOrSVGElement {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/dataset) */
     readonly dataset: DOMStringMap;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/nonce) */
-    nonce?: string;
+    nonce: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/tabIndex) */
     tabIndex: number;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/blur) */
diff --git a/baselines/ts5.5/dom.generated.d.ts b/baselines/ts5.5/dom.generated.d.ts
index 566f7f4bd..a2cbd441c 100644
--- a/baselines/ts5.5/dom.generated.d.ts
+++ b/baselines/ts5.5/dom.generated.d.ts
@@ -16385,7 +16385,7 @@ interface HTMLOrSVGElement {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/dataset) */
     readonly dataset: DOMStringMap;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/nonce) */
-    nonce?: string;
+    nonce: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/tabIndex) */
     tabIndex: number;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/blur) */
diff --git a/baselines/ts5.6/dom.generated.d.ts b/baselines/ts5.6/dom.generated.d.ts
index 9997a7f0b..6a533afdf 100644
--- a/baselines/ts5.6/dom.generated.d.ts
+++ b/baselines/ts5.6/dom.generated.d.ts
@@ -16403,7 +16403,7 @@ interface HTMLOrSVGElement {
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/dataset) */
     readonly dataset: DOMStringMap;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/nonce) */
-    nonce?: string;
+    nonce: string;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/tabIndex) */
     tabIndex: number;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/HTMLElement/blur) */
diff --git a/inputfiles/overridingTypes.jsonc b/inputfiles/overridingTypes.jsonc
index 8a7e0851f..7c114538e 100644
--- a/inputfiles/overridingTypes.jsonc
+++ b/inputfiles/overridingTypes.jsonc
@@ -38,15 +38,6 @@
                     }
                 }
             },
-            "HTMLOrSVGElement": {
-              "properties": {
-                "property": {
-                  "nonce": {
-                    "name": "nonce?"
-                  }
-                }
-              }
-            },
             "WebGLRenderingContextBase": {
                 "methods": {
                     "method": {