diff --git a/packages/integrations/markdoc/src/index.ts b/packages/integrations/markdoc/src/index.ts
index 10016750311e5..9d6150e5ba366 100644
--- a/packages/integrations/markdoc/src/index.ts
+++ b/packages/integrations/markdoc/src/index.ts
@@ -114,7 +114,6 @@ export default function markdocIntegration(legacyConfig?: any): AstroIntegration
 						} from 'astro/runtime/server/index.js';
 						import { Renderer } from '@astrojs/markdoc/components';
 						import { collectHeadings, setupConfig, setupConfigSync, Markdoc } from '@astrojs/markdoc/runtime';
-import * as entry from ${JSON.stringify(viteId + '?astroContentCollectionEntry')};
 ${
 	markdocConfigResult
 		? `import _userConfig from ${JSON.stringify(
@@ -137,7 +136,7 @@ export function getHeadings() {
 		''
 	}
 	const headingConfig = userConfig.nodes?.heading;
-	const config = setupConfigSync(headingConfig ? { nodes: { heading: headingConfig } } : {}, entry);
+	const config = setupConfigSync(headingConfig ? { nodes: { heading: headingConfig } } : {});
 	const ast = Markdoc.Ast.fromJSON(stringifiedAst);
 	const content = Markdoc.transform(ast, config);
 	return collectHeadings(Array.isArray(content) ? content : content.children);
diff --git a/packages/integrations/markdoc/src/runtime.ts b/packages/integrations/markdoc/src/runtime.ts
index a1861c68ca676..bbbd8573982ae 100644
--- a/packages/integrations/markdoc/src/runtime.ts
+++ b/packages/integrations/markdoc/src/runtime.ts
@@ -32,13 +32,9 @@ export async function setupConfig(
 
 /** Used for synchronous `getHeadings()` function */
 export function setupConfigSync(
-	userConfig: AstroMarkdocConfig,
-	entry: ContentEntryModule
+	userConfig: AstroMarkdocConfig
 ): Omit<AstroMarkdocConfig, 'extends'> {
-	let defaultConfig: AstroMarkdocConfig = {
-		...setupHeadingConfig(),
-		variables: { entry },
-	};
+	const defaultConfig: AstroMarkdocConfig = setupHeadingConfig();
 
 	return mergeConfig(defaultConfig, userConfig);
 }