diff --git a/src/components/card-editor.ts b/src/components/card-editor.ts
index d8458b73..e8349de2 100644
--- a/src/components/card-editor.ts
+++ b/src/components/card-editor.ts
@@ -117,8 +117,6 @@ import {
 	TEXT_FIELD_TITLE,
 	REFERENCE_TYPE_ACK,
 	REFERENCE_TYPE_CONCEPT,
-	TAB_CONTENT,
-	TAB_CONFIG,
 	TEXT_FIELD_TYPES_EDITABLE
 } from '../type_constants.js';
 
@@ -148,7 +146,8 @@ import {
 	State,
 	ReferenceType,
 	CardFieldTypeEditable,
-	editorContentTab
+	editorContentTab,
+	editorTab
 } from '../types.js';
 
 import {
@@ -163,7 +162,10 @@ import {
 	ARROW_UP_ICON,
 	ARROW_RIGHT_ICON
 } from './my-icons';
-import { titleForEditingCardWithAI } from '../actions/ai.js';
+
+import {
+	titleForEditingCardWithAI
+} from '../actions/ai.js';
 
 @customElement('card-editor')
 class CardEditor extends connect(store)(LitElement) {
@@ -449,7 +451,7 @@ class CardEditor extends connect(store)(LitElement) {
       <div class='container ${this._cardModificationPending ? 'modification-pending' : ''} ${this._minimized ? 'minimized' : 'not-minimized'}'>
 		<div class='scrim'></div>
         <div class='inputs'>
-		  <div ?hidden=${this._selectedTab !== TAB_CONTENT} class='flex body'>
+		  <div ?hidden=${this._selectedTab !== 'content'} class='flex body'>
 			<div class='tabs' @click=${this._handleEditorTabClicked}>
 				<label data-name='${editorContentTab('content')}' ?data-selected=${this._selectedEditorTab == 'content'} ?data-empty=${!hasContent} ?data-modified=${contentModified}>Content</label>
 				<label data-name='${editorContentTab('notes')}' ?data-selected=${this._selectedEditorTab == 'notes'} ?data-empty=${!hasNotes} ?data-modified=${notesModified}>Notes</label>
@@ -471,7 +473,7 @@ class CardEditor extends connect(store)(LitElement) {
 			<textarea ?hidden=${this._selectedEditorTab !== 'notes'} @input='${this._handleNotesUpdated}' .value=${this._card.notes}></textarea>
 			<textarea ?hidden=${this._selectedEditorTab !== 'todo'} @input='${this._handleTodoUpdated}' .value=${this._card.todo}></textarea>
 		  </div>
-		  <div ?hidden=${this._selectedTab !== TAB_CONFIG}>
+		  <div ?hidden=${this._selectedTab !== 'config'}>
 			<div class='row'>
 				<div>
 				<label>Section ${help('Cards are in 0 or 1 sections, which determines the default order they show up in. Cards that are orphaned will not show up in any default collection.')}</label>
@@ -754,8 +756,8 @@ class CardEditor extends connect(store)(LitElement) {
 			</div>
 		` :
 		html`<div class='tabs main' @click=${this._handleTabClicked}>
-				<label data-name='${TAB_CONFIG}' ?data-selected=${this._selectedTab == TAB_CONFIG}>Configuration</label>
-				<label data-name='${TAB_CONTENT}' ?data-selected=${this._selectedTab == TAB_CONTENT}>Content</label>
+				<label data-name='${editorTab('config')}' ?data-selected=${this._selectedTab == 'config'}>Configuration</label>
+				<label data-name='${editorTab('content')}' ?data-selected=${this._selectedTab == 'content'}>Content</label>
 			</div>`}
 			<div class='flex'>
 			</div>
diff --git a/src/reducers/editor.ts b/src/reducers/editor.ts
index 0fb4e330..e4ac3898 100644
--- a/src/reducers/editor.ts
+++ b/src/reducers/editor.ts
@@ -41,10 +41,6 @@ import {
 	SomeAction,
 } from '../actions.js';
 
-import {
-	TAB_CONFIG
-} from '../type_constants.js';
-
 import {
 	SET_PENDING_SLUG
 } from '../actions.js';
@@ -83,10 +79,11 @@ import {
 import {
 	EditorContentTab,
 	EditorState,
+	EditorTab,
 	ImageInfoStringProperty
 } from '../types.js';
 
-const DEFAULT_TAB = TAB_CONFIG;
+const DEFAULT_TAB : EditorTab = 'config';
 const DEFAULT_EDITOR_TAB : EditorContentTab = 'content';
 
 const INITIAL_STATE : EditorState = {
diff --git a/src/type_constants.ts b/src/type_constants.ts
index 96695ec8..f58826be 100644
--- a/src/type_constants.ts
+++ b/src/type_constants.ts
@@ -97,15 +97,6 @@ export const REFERENCE_TYPE_TYPES = {
 	[REFERENCE_TYPE_CITATION_PERSON]: true
 };
 
-export const TAB_CONTENT = 'content';
-export const TAB_CONFIG = 'config';
-
-//Drives EditorTab type
-export const EDITOR_TAB_TYPES = {
-	[TAB_CONTENT]: true,
-	[TAB_CONFIG]: true
-};
-
 export const CARDS_COLLECTION = 'cards';
 export const CARD_UPDATES_COLLECTION = 'updates';
 export const SECTION_UPDATES_COLLECTION = 'updates';
diff --git a/src/types.ts b/src/types.ts
index b48161b1..eac41e00 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -11,7 +11,6 @@ import {
 	TEXT_FIELD_TYPES,
 	REFERENCE_TYPE_TYPES,
 	TEXT_FIELD_TYPES_EDITABLE,
-	EDITOR_TAB_TYPES,
 	FIND_CARD_TO_LINK,
 	FIND_CARD_TO_PERMISSION,
 	FIND_CARD_TO_REFERENCE,
@@ -395,7 +394,13 @@ export type ConfigurableFilterConfigurationMap = {
 };
 
 //TODO: this name is confusing, in the state this is just called tab
-export type EditorTab = keyof(typeof EDITOR_TAB_TYPES);
+
+const editorTabSchema = z.enum([
+	'content',
+	'config'
+]);
+
+export type EditorTab = z.infer<typeof editorTabSchema>;
 
 const editorContentTabSchema = z.enum([
 	'content',
@@ -1330,4 +1335,5 @@ export type State = {
 //will be used in a generic string context and want type-checking to verify it
 //is part of the enum.
 export const setName = (input : SetName) => input;
+export const editorTab = (input : EditorTab) => input;
 export const editorContentTab = (input : EditorContentTab) => input;
\ No newline at end of file