diff --git a/externs/polymer-internal-shared-types.js b/externs/polymer-internal-shared-types.js
index fd954c1180..8fd9637e6f 100644
--- a/externs/polymer-internal-shared-types.js
+++ b/externs/polymer-internal-shared-types.js
@@ -61,9 +61,13 @@ TemplateInfo.prototype.hostProps;
 /** @type {!Object} */
 TemplateInfo.prototype.propertyEffects;
 /** @type {TemplateInfo | undefined} */
-TemplateInfo.prototype.nextTemplateInfo;
+TemplateInfo.prototype.nextSibling;
 /** @type {TemplateInfo | undefined} */
-TemplateInfo.prototype.previousTemplateInfo;
+TemplateInfo.prototype.previousSibling;
+/** @type {TemplateInfo | undefined} */
+TemplateInfo.prototype.firstChild;
+/** @type {TemplateInfo | undefined} */
+TemplateInfo.prototype.parent;
 /** @type {!Array<!Node>} */
 TemplateInfo.prototype.childNodes;
 /** @type {boolean} */
diff --git a/interfaces.d.ts b/interfaces.d.ts
index 5c04d71619..a72ed6487a 100644
--- a/interfaces.d.ts
+++ b/interfaces.d.ts
@@ -116,8 +116,6 @@ export interface TemplateInfo {
   hasInsertionPoint?: boolean;
   hostProps: Object;
   propertyEffects: Object;
-  nextTemplateInfo?: TemplateInfo;
-  previousTemplateInfo?: TemplateInfo;
   childNodes: Node[];
   wasPreBound: boolean;
 }