diff --git a/benchmark/sirun/run-all-variants.js b/benchmark/sirun/run-all-variants.js
index 60f6a65992d..85894690354 100755
--- a/benchmark/sirun/run-all-variants.js
+++ b/benchmark/sirun/run-all-variants.js
@@ -14,25 +14,19 @@ const metaJson = require(path.join(process.cwd(), 'meta.json'))
 const env = Object.assign({}, process.env, { DD_TRACE_STARTUP_LOGS: 'false' })
 
 ;(async () => {
-  try {
-    if (metaJson.variants) {
-      const variants = metaJson.variants
-      for (const variant in variants) {
-        const variantEnv = Object.assign({}, env, { SIRUN_VARIANT: variant })
-        await exec('sirun', ['meta-temp.json'], { env: variantEnv, stdio: getStdio() })
-      }
-    } else {
-      await exec('sirun', ['meta-temp.json'], { env, stdio: getStdio() })
+  if (metaJson.variants) {
+    const variants = metaJson.variants
+    for (const variant in variants) {
+      const variantEnv = Object.assign({}, env, { SIRUN_VARIANT: variant })
+      await exec('sirun', ['meta-temp.json'], { env: variantEnv, stdio: getStdio() })
     }
+  } else {
+    await exec('sirun', ['meta-temp.json'], { env, stdio: getStdio() })
+  }
 
-    try {
-      fs.unlinkSync(path.join(process.cwd(), 'meta-temp.json'))
-    } catch (e) {
-      // it's ok if we can't delete a temp file
-    }
+  try {
+    fs.unlinkSync(path.join(process.cwd(), 'meta-temp.json'))
   } catch (e) {
-    setImmediate(() => {
-      throw e // Older Node versions don't fail on uncaught promise rejections.
-    })
+    // it's ok if we can't delete a temp file
   }
 })()
diff --git a/benchmark/sirun/run-one-variant.js b/benchmark/sirun/run-one-variant.js
index 77bb147c9e7..982c303ceae 100755
--- a/benchmark/sirun/run-one-variant.js
+++ b/benchmark/sirun/run-one-variant.js
@@ -8,12 +8,4 @@ process.env.DD_INSTRUMENTATION_TELEMETRY_ENABLED = 'false'
 
 const env = Object.assign({}, process.env, { DD_TRACE_STARTUP_LOGS: 'false' })
 
-;(async () => {
-  try {
-    await exec('sirun', ['meta-temp.json'], { env, stdio: getStdio() })
-  } catch (e) {
-    setImmediate(() => {
-      throw e // Older Node versions don't fail on uncaught promise rejections.
-    })
-  }
-})()
+exec('sirun', ['meta-temp.json'], { env, stdio: getStdio() })