From e726746a282ac056eac698dc9f48ef129668148a Mon Sep 17 00:00:00 2001
From: sapphi-red <49056869+sapphi-red@users.noreply.github.com>
Date: Fri, 18 Jul 2025 13:05:13 +0900
Subject: [PATCH] refactor!: remove old `babel-plugin-react-compiler` support

---
 packages/plugin-react/CHANGELOG.md | 4 ++++
 packages/plugin-react/src/index.ts | 3 ---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/plugin-react/CHANGELOG.md b/packages/plugin-react/CHANGELOG.md
index 4c764e635..600767783 100644
--- a/packages/plugin-react/CHANGELOG.md
+++ b/packages/plugin-react/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Remove old `babel-plugin-react-compiler` support that requires `runtimeModule` option
+
+`runtimeModule` option is no longer needed in newer `babel-plugin-react-compiler` versions. Make sure to use a newer version of `babel-plugin-react-compiler` that supports `target` option.
+
 ## 4.7.0 (2025-07-18)
 
 ### Add HMR support for compound components ([#518](https://github.com/vitejs/vite-plugin-react/pull/518))
diff --git a/packages/plugin-react/src/index.ts b/packages/plugin-react/src/index.ts
index f8dd135a4..350fde12b 100644
--- a/packages/plugin-react/src/index.ts
+++ b/packages/plugin-react/src/index.ts
@@ -468,9 +468,6 @@ function getReactCompilerRuntimeModule(
   if (Array.isArray(plugin)) {
     if (plugin[1]?.target === '17' || plugin[1]?.target === '18') {
       moduleName = 'react-compiler-runtime'
-    } else if (typeof plugin[1]?.runtimeModule === 'string') {
-      // backward compatibility from (#374), can be removed in next major
-      moduleName = plugin[1]?.runtimeModule
     }
   }
   return moduleName