diff --git a/benchmarks/multiplatform/benchmarks/src/wasmJsMain/kotlin/main.wasmJs.kt b/benchmarks/multiplatform/benchmarks/src/wasmJsMain/kotlin/main.wasmJs.kt
index d796d88975..f2c9e48eda 100644
--- a/benchmarks/multiplatform/benchmarks/src/wasmJsMain/kotlin/main.wasmJs.kt
+++ b/benchmarks/multiplatform/benchmarks/src/wasmJsMain/kotlin/main.wasmJs.kt
@@ -8,11 +8,6 @@ import kotlin.js.Promise
 val jsOne = 1.toJsNumber()
 
 fun main(args: Array<String>) {
-    if (isD8env().toBoolean()) {
-        mainD8(args)
-    } else {
-        mainBrowser()
-    }
 }
 
 fun mainBrowser() {
@@ -37,15 +32,6 @@ fun mainBrowser() {
     }
 }
 
-
-// Currently, the initialization can't be adjusted to avoid calling the fun main, but
-// we don't want use the default fun main, because Jetstream3 requires running the workloads separately / independently of each other.
-// Also, they require that a benchmark completes before the function exists, which is not possible with if they just call fun main.
-// Therefore, they'll rely on fun customLaunch, which returns a Promise (can be awaited for).
-fun mainD8(args: Array<String>) {
-    println("mainD8 is intentionally doing nothing. Read the comments in main.wasmJs.kt")
-}
-
 private val basicConfigForD8 = Config(
     // Using only SIMPLE mode, because VSYNC_EMULATION calls delay(...),
     // which is implemented via setTimeout on web targets.
@@ -85,6 +71,3 @@ fun d8BenchmarksRunner(args: String): Promise<JsAny?> {
         jsOne
     }
 }
-
-private fun isD8env(): JsBoolean =
-    js("typeof isD8 !== 'undefined'")