diff --git a/plugins/vite/emotionSpeedy.ts b/plugins/vite/emotionSpeedy.ts
deleted file mode 100644
index ee01afff09..0000000000
--- a/plugins/vite/emotionSpeedy.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-import type { Plugin } from 'vite';
-
-/**
- * Forces emotion's speedy mode in antd-style.
- *
- * antd-style hardcodes `speedy: false` in both createStaticStyles and
- * createInstance, which causes emotion to create a new <style> element
- * for every CSS rule (n % 1 === 0 is always true).
- * With speedy: true, one <style> tag holds up to 65 000 rules via
- * CSSStyleSheet.insertRule(), eliminating thousands of DOM insertBefore calls.
- */
-export function viteEmotionSpeedy(): Plugin {
-  return {
-    name: 'emotion-speedy',
-    enforce: 'pre',
-    transform(code, id) {
-      if (id.includes('antd-style') && code.includes('speedy: false')) {
-        return {
-          code: code.replaceAll('speedy: false', 'speedy: true'),
-          map: null,
-        };
-      }
-    },
-  };
-}
diff --git a/plugins/vite/sharedRendererConfig.ts b/plugins/vite/sharedRendererConfig.ts
index 0a64b1b6d9..06a9ddbbfb 100644
--- a/plugins/vite/sharedRendererConfig.ts
+++ b/plugins/vite/sharedRendererConfig.ts
@@ -3,7 +3,6 @@ import { codeInspectorPlugin } from 'code-inspector-plugin';
 import { nodePolyfills } from 'vite-plugin-node-polyfills';
 import tsconfigPaths from 'vite-tsconfig-paths';
 
-import { viteEmotionSpeedy } from './emotionSpeedy';
 import { viteNodeModuleStub } from './nodeModuleStub';
 import { vitePlatformResolve } from './platformResolve';
 
@@ -116,7 +115,6 @@ interface SharedRendererOptions {
 export function sharedRendererPlugins(options: SharedRendererOptions) {
   const defaultTsconfigPaths = options.tsconfigPaths ?? true;
   return [
-    viteEmotionSpeedy(),
     nodePolyfills({ include: ['buffer'] }),
     viteNodeModuleStub(),
     vitePlatformResolve(options.platform),