diff --git a/dist/index.js b/dist/index.js
index 48ccb6648..338811b69 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -68326,7 +68326,7 @@ async function install(platform, engine, version) {
   common.setupPath([path.join(rubyPrefix, 'bin')])
 
   if (!inToolCache) {
-    await preparePrefix(rubyPrefix)
+    await io.mkdirP(rubyPrefix)
     if (engine === 'truffleruby+graalvm') {
       await installWithRubyBuild(engine, version, rubyPrefix)
     } else {
@@ -68337,15 +68337,6 @@ async function install(platform, engine, version) {
   return rubyPrefix
 }
 
-async function preparePrefix(rubyPrefix) {
-  const parentDir = path.dirname(rubyPrefix)
-
-  await io.rmRF(rubyPrefix)
-  if (!(fs.existsSync(parentDir) && fs.statSync(parentDir).isDirectory())) {
-    await io.mkdirP(parentDir)
-  }
-}
-
 async function installWithRubyBuild(engine, version, rubyPrefix) {
   const tmp = process.env['RUNNER_TEMP'] || os.tmpdir()
   const rubyBuildDir = path.join(tmp, 'ruby-build-for-setup-ruby')
diff --git a/ruby-builder.js b/ruby-builder.js
index 9f5b143c5..8e7f46665 100644
--- a/ruby-builder.js
+++ b/ruby-builder.js
@@ -50,7 +50,7 @@ export async function install(platform, engine, version) {
   common.setupPath([path.join(rubyPrefix, 'bin')])
 
   if (!inToolCache) {
-    await preparePrefix(rubyPrefix)
+    await io.mkdirP(rubyPrefix)
     if (engine === 'truffleruby+graalvm') {
       await installWithRubyBuild(engine, version, rubyPrefix)
     } else {
@@ -61,15 +61,6 @@ export async function install(platform, engine, version) {
   return rubyPrefix
 }
 
-async function preparePrefix(rubyPrefix) {
-  const parentDir = path.dirname(rubyPrefix)
-
-  await io.rmRF(rubyPrefix)
-  if (!(fs.existsSync(parentDir) && fs.statSync(parentDir).isDirectory())) {
-    await io.mkdirP(parentDir)
-  }
-}
-
 async function installWithRubyBuild(engine, version, rubyPrefix) {
   const tmp = process.env['RUNNER_TEMP'] || os.tmpdir()
   const rubyBuildDir = path.join(tmp, 'ruby-build-for-setup-ruby')