diff --git a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/FirCompileKotlinAgainstCustomBinariesTest.kt b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/FirCompileKotlinAgainstCustomBinariesTest.kt
index 8a4c411d247..12da0c02073 100644
--- a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/FirCompileKotlinAgainstCustomBinariesTest.kt
+++ b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/FirCompileKotlinAgainstCustomBinariesTest.kt
@@ -59,32 +59,21 @@ class FirCompileKotlinAgainstCustomBinariesTest : AbstractCompileKotlinAgainstCu
         compileKotlin("source.kt", tmpdir, listOf(library))
     }
 
-    // If this test fails, then bootstrap compiler most likely should be advanced
     fun testPreReleaseFlagIsConsistentBetweenBootstrapAndCurrentCompiler() {
-        try {
-            val bootstrapCompiler = JarFile(PathUtil.kotlinPathsForCompiler.compilerPath)
-            val classFromBootstrapCompiler = bootstrapCompiler.getEntry(LanguageFeature::class.java.name.replace(".", "/") + ".class")
-            checkPreReleaseness(
-                bootstrapCompiler.getInputStream(classFromBootstrapCompiler).readBytes(),
-                KotlinCompilerVersion.isPreRelease()
-            )
-        } catch (e: Throwable) {
-            return
-        }
-        error("Looks like test can be unmuted")
+        val bootstrapCompiler = JarFile(PathUtil.kotlinPathsForCompiler.compilerPath)
+        val classFromBootstrapCompiler = bootstrapCompiler.getEntry(LanguageFeature::class.java.name.replace(".", "/") + ".class")
+        checkPreReleaseness(
+            bootstrapCompiler.getInputStream(classFromBootstrapCompiler).readBytes(),
+            KotlinCompilerVersion.isPreRelease()
+        )
     }
 
     fun testPreReleaseFlagIsConsistentBetweenStdlibAndCurrentCompiler() {
-//        try {
-            val stdlib = JarFile(PathUtil.kotlinPathsForCompiler.stdlibPath)
-            val classFromStdlib = stdlib.getEntry(KotlinVersion::class.java.name.replace(".", "/") + ".class")
-            checkPreReleaseness(
-                stdlib.getInputStream(classFromStdlib).readBytes(),
-                KotlinCompilerVersion.isPreRelease()
-            )
-//        } catch (e: Throwable) {
-//            return
-//        }
-//        error("Looks like test can be unmuted")
+        val stdlib = JarFile(PathUtil.kotlinPathsForCompiler.stdlibPath)
+        val classFromStdlib = stdlib.getEntry(KotlinVersion::class.java.name.replace(".", "/") + ".class")
+        checkPreReleaseness(
+            stdlib.getInputStream(classFromStdlib).readBytes(),
+            KotlinCompilerVersion.isPreRelease()
+        )
     }
 }