diff --git a/packages/astro/performance/content-benchmark.mjs b/packages/astro/performance/content-benchmark.mjs
index 2b6d73b8a..a0b5ae6b2 100644
--- a/packages/astro/performance/content-benchmark.mjs
+++ b/packages/astro/performance/content-benchmark.mjs
@@ -6,7 +6,7 @@ import { cyan, bold, dim } from 'kleur/colors';
 
 // Skip nonessential remark / rehype plugins for a fair comparison.
 // This includes heading ID generation, syntax highlighting, GFM, and Smartypants.
-process.env.ASTRO_CI_PERFORMANCE_RUN = true;
+process.env.ASTRO_PERFORMANCE_BENCHMARK = true;
 
 const extByFixture = {
 	md: '.md',
@@ -70,7 +70,7 @@ async function benchmark({ fixtures, templates }) {
 			});
 		}
 	} finally {
-		process.env.ASTRO_CI_PERFORMANCE_RUN = false;
+		process.env.ASTRO_PERFORMANCE_BENCHMARK = false;
 	}
 })();
 
diff --git a/packages/integrations/mdx/src/plugins.ts b/packages/integrations/mdx/src/plugins.ts
index e31de1207..a7d24d3f2 100644
--- a/packages/integrations/mdx/src/plugins.ts
+++ b/packages/integrations/mdx/src/plugins.ts
@@ -25,7 +25,7 @@ import remarkShiki from './remark-shiki.js';
 import { isRelativePath, jsToTreeNode } from './utils.js';
 
 // Skip nonessential plugins during performance benchmark runs
-const isPerformanceBenchmark = Boolean(process.env.ASTRO_CI_PERFORMANCE_RUN);
+const isPerformanceBenchmark = Boolean(process.env.ASTRO_PERFORMANCE_BENCHMARK);
 
 export function recmaInjectImportMetaEnvPlugin({
 	importMetaEnv,
diff --git a/packages/markdown/remark/src/index.ts b/packages/markdown/remark/src/index.ts
index ebf3dbf79..2366497e7 100644
--- a/packages/markdown/remark/src/index.ts
+++ b/packages/markdown/remark/src/index.ts
@@ -40,7 +40,7 @@ export const markdownConfigDefaults: Omit<Required<AstroMarkdownOptions>, 'draft
 };
 
 // Skip nonessential plugins during performance benchmark runs
-const isPerformanceBenchmark = Boolean(process.env.ASTRO_CI_PERFORMANCE_RUN);
+const isPerformanceBenchmark = Boolean(process.env.ASTRO_PERFORMANCE_BENCHMARK);
 
 /** Shared utility for rendering markdown */
 export async function renderMarkdown(