diff --git a/compiler/testData/checkLocalVariablesTable/destructuringInlineLambda.kt b/compiler/testData/checkLocalVariablesTable/destructuringInlineLambda.kt
index 0ead9a4a08e..b33eaecfead 100644
--- a/compiler/testData/checkLocalVariablesTable/destructuringInlineLambda.kt
+++ b/compiler/testData/checkLocalVariablesTable/destructuringInlineLambda.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: JVM_IR
 inline fun foo(x: (Int, Station) -> Unit) {
     x(1, Station(null, "", 1))
 }
diff --git a/compiler/testData/codegen/box/arrays/kt4118.kt b/compiler/testData/codegen/box/arrays/kt4118.kt
index 71ebfb5578b..979effeed54 100644
--- a/compiler/testData/codegen/box/arrays/kt4118.kt
+++ b/compiler/testData/codegen/box/arrays/kt4118.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 fun Array<String>.test1(): Array<String> {
     val func = { i:Int  -> this}
     return func(1)
diff --git a/compiler/testData/codegen/box/classes/kt2711.kt b/compiler/testData/codegen/box/classes/kt2711.kt
index 409537ae567..55f4c972f66 100644
--- a/compiler/testData/codegen/box/classes/kt2711.kt
+++ b/compiler/testData/codegen/box/classes/kt2711.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: JS_IR
 class IntRange {
     operator fun contains(a: Int) = (1..2).contains(a)
 }
diff --git a/compiler/testData/codegen/box/classes/kt707.kt b/compiler/testData/codegen/box/classes/kt707.kt
index 0d66f601703..cb53a5d0125 100644
--- a/compiler/testData/codegen/box/classes/kt707.kt
+++ b/compiler/testData/codegen/box/classes/kt707.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: JS_IR
 // TODO: Enable for JS when it supports Java class library.
 // IGNORE_BACKEND: JS, NATIVE
diff --git a/compiler/testData/codegen/box/classes/propertyInInitializer.kt b/compiler/testData/codegen/box/classes/propertyInInitializer.kt
index d0995d629cd..5b7f4051f7b 100644
--- a/compiler/testData/codegen/box/classes/propertyInInitializer.kt
+++ b/compiler/testData/codegen/box/classes/propertyInInitializer.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 class Outer() {
   val s = "xyzzy"
 
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/constructorParameterAndLocalCapturedInLambdaInLocalClass.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/constructorParameterAndLocalCapturedInLambdaInLocalClass.kt
index 579eb883fb1..45546aa0964 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/constructorParameterAndLocalCapturedInLambdaInLocalClass.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/constructorParameterAndLocalCapturedInLambdaInLocalClass.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 open class Base(val fn: () -> String)
 
 fun box(): String {
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/constructorParameterCapturedInLambdaInLocalClass2.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/constructorParameterCapturedInLambdaInLocalClass2.kt
index 533b73c29f2..e662921e638 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/constructorParameterCapturedInLambdaInLocalClass2.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/constructorParameterCapturedInLambdaInLocalClass2.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 open class Base(val fn: () -> String)
 
 fun box(): String {
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/kt13454.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/kt13454.kt
index d756a7b7194..83b5c2a98fc 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/kt13454.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/kt13454.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 open class Foo(val x: () -> String)
 
 class Outer {
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/kt14148.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/kt14148.kt
index 77dc0cb4195..e1853fc4b3f 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/kt14148.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/kt14148.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 interface Test {
     fun test(): String
 }
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/localCapturedInLambdaInInnerClassInLocalClass.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/localCapturedInLambdaInInnerClassInLocalClass.kt
index 37766e05b41..98d323183e3 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/localCapturedInLambdaInInnerClassInLocalClass.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/localCapturedInLambdaInInnerClassInLocalClass.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 open class Base(val fn: () -> String)
 
 fun box(): String {
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedAsImplicitThisInBoundReference.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedAsImplicitThisInBoundReference.kt
index 0c042978090..8a91d936000 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedAsImplicitThisInBoundReference.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedAsImplicitThisInBoundReference.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 abstract class Base(val fn: () -> String)
 
 class Outer {
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInFunctionLiteral.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInFunctionLiteral.kt
index ae00e7b3152..4c24e0aae11 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInFunctionLiteral.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInFunctionLiteral.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 open class Base(val callback: () -> String)
 
 class Outer {
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambda.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambda.kt
index 0b6f4696606..b21d3d4bd25 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambda.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambda.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 open class Base(val callback: () -> String)
 
 class Outer {
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambda2.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambda2.kt
index 82ec41367ee..5412eea0118 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambda2.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambda2.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 open class Base(val callback: () -> String)
 
 class Outer {
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambdaInSecondaryConstructor.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambdaInSecondaryConstructor.kt
index 644a50518ac..0baadfdf169 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambdaInSecondaryConstructor.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambdaInSecondaryConstructor.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 open class Base(val callback: () -> String)
 
 class Outer {
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambdaInSubExpression.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambdaInSubExpression.kt
index 580d24c2c06..b1f2305fc4f 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambdaInSubExpression.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInLambdaInSubExpression.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 open class Foo(val x: () -> String)
 open class Foo2(val foo: Foo)
 
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInNestedLambda.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInNestedLambda.kt
index 3bed1f0fdc8..8a6b095672c 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInNestedLambda.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInNestedLambda.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 open class Base(val callback: () -> String)
 
 class Outer {
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInNestedObject.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInNestedObject.kt
index 984d20d783e..544c4c0576d 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInNestedObject.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInNestedObject.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 interface Callback {
     fun invoke(): String
 }
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInObject.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInObject.kt
index 6e2dfe3f90c..caf1e5941cd 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInObject.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInObject.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 interface Callback {
     fun invoke(): String
 }
diff --git a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInObject2.kt b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInObject2.kt
index acf1012c569..accdf0622f7 100644
--- a/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInObject2.kt
+++ b/compiler/testData/codegen/box/closures/captureInSuperConstructorCall/outerCapturedInObject2.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 interface Callback {
     fun invoke(): String
 }
diff --git a/compiler/testData/codegen/box/closures/kt10044.kt b/compiler/testData/codegen/box/closures/kt10044.kt
index 3fe5ad2b399..277f356c76c 100644
--- a/compiler/testData/codegen/box/closures/kt10044.kt
+++ b/compiler/testData/codegen/box/closures/kt10044.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 open class JClass() {
     fun test(): String {
         return "OK"
diff --git a/compiler/testData/codegen/box/coroutines/inlineClasses/bridgeGenerationCrossinline.kt b/compiler/testData/codegen/box/coroutines/inlineClasses/bridgeGenerationCrossinline.kt
index 99dc7271cd8..aeec4a2f8a3 100644
--- a/compiler/testData/codegen/box/coroutines/inlineClasses/bridgeGenerationCrossinline.kt
+++ b/compiler/testData/codegen/box/coroutines/inlineClasses/bridgeGenerationCrossinline.kt
@@ -1,4 +1,4 @@
-// IGNORE_BACKEND: JS_IR, JVM_IR
+// IGNORE_BACKEND: JVM_IR
 // WITH_COROUTINES
 // COMMON_COROUTINES_TEST
 
diff --git a/compiler/testData/codegen/box/coroutines/noStdLib/crossinline.kt b/compiler/testData/codegen/box/coroutines/noStdLib/crossinline.kt
index 6c25912580c..4734c15b2e8 100644
--- a/compiler/testData/codegen/box/coroutines/noStdLib/crossinline.kt
+++ b/compiler/testData/codegen/box/coroutines/noStdLib/crossinline.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: JS
 // COMMON_COROUTINES_TEST
diff --git a/compiler/testData/codegen/box/coroutines/tailCallOptimizations/crossinline.kt b/compiler/testData/codegen/box/coroutines/tailCallOptimizations/crossinline.kt
index f186495325b..350068fdebf 100644
--- a/compiler/testData/codegen/box/coroutines/tailCallOptimizations/crossinline.kt
+++ b/compiler/testData/codegen/box/coroutines/tailCallOptimizations/crossinline.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: JS
 // COMMON_COROUTINES_TEST
diff --git a/compiler/testData/codegen/box/diagnostics/functions/tailRecursion/defaultArgs.kt b/compiler/testData/codegen/box/diagnostics/functions/tailRecursion/defaultArgs.kt
index 80092051efa..6a83f03053a 100644
--- a/compiler/testData/codegen/box/diagnostics/functions/tailRecursion/defaultArgs.kt
+++ b/compiler/testData/codegen/box/diagnostics/functions/tailRecursion/defaultArgs.kt
@@ -1,5 +1,5 @@
-// IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: JS_IR
+// IGNORE_BACKEND: JVM_IR
 // DONT_RUN_GENERATED_CODE: JS
 
 tailrec fun test(x : Int = 0, e : Any = "a") {
diff --git a/compiler/testData/codegen/box/enum/enumCompanionInit.kt b/compiler/testData/codegen/box/enum/enumCompanionInit.kt
index 6362c830b4f..a5bd93cebb0 100644
--- a/compiler/testData/codegen/box/enum/enumCompanionInit.kt
+++ b/compiler/testData/codegen/box/enum/enumCompanionInit.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: NATIVE
-// IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: JS_IR
 var result = ""
 
diff --git a/compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt b/compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt
index 13ec12190c3..caf3a79965c 100644
--- a/compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt
+++ b/compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 // KT-4423 Enum with function not compiled
 
 enum class Sign(val str: String, val func: (x: Int, y: Int) -> Int){
diff --git a/compiler/testData/codegen/box/enum/kt20651a.kt b/compiler/testData/codegen/box/enum/kt20651a.kt
index 2dea6dd6192..364430cbe29 100644
--- a/compiler/testData/codegen/box/enum/kt20651a.kt
+++ b/compiler/testData/codegen/box/enum/kt20651a.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 enum class Foo(
         val x: String,
         val callback: () -> String
diff --git a/compiler/testData/codegen/box/enum/kt20651b.kt b/compiler/testData/codegen/box/enum/kt20651b.kt
index 2737875554a..477e3036569 100644
--- a/compiler/testData/codegen/box/enum/kt20651b.kt
+++ b/compiler/testData/codegen/box/enum/kt20651b.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 interface Callback {
     fun invoke(): String
 }
diff --git a/compiler/testData/codegen/box/functions/functionExpression/functionExpressionWithThisReference.kt b/compiler/testData/codegen/box/functions/functionExpression/functionExpressionWithThisReference.kt
index a9e1d43173e..21951a3e6ed 100644
--- a/compiler/testData/codegen/box/functions/functionExpression/functionExpressionWithThisReference.kt
+++ b/compiler/testData/codegen/box/functions/functionExpression/functionExpressionWithThisReference.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: JS_IR
 
 fun Int.thisRef1() = fun () = this
 fun Int.thisRef2() = fun (): Int {return this}
diff --git a/compiler/testData/codegen/box/ieee754/smartCastOnWhenSubjectAfterCheckInBranch_properIeeeComparisons.kt b/compiler/testData/codegen/box/ieee754/smartCastOnWhenSubjectAfterCheckInBranch_properIeeeComparisons.kt
index 3e32cdce37d..6dd5deb6964 100644
--- a/compiler/testData/codegen/box/ieee754/smartCastOnWhenSubjectAfterCheckInBranch_properIeeeComparisons.kt
+++ b/compiler/testData/codegen/box/ieee754/smartCastOnWhenSubjectAfterCheckInBranch_properIeeeComparisons.kt
@@ -1,6 +1,4 @@
 // !LANGUAGE: +ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 
 fun testF(x: Any) =
     when (x) {
diff --git a/compiler/testData/codegen/box/inlineClasses/crossinlineWithInlineClassInParameter.kt b/compiler/testData/codegen/box/inlineClasses/crossinlineWithInlineClassInParameter.kt
index 80f2b97c0ce..cc1c678f7d4 100644
--- a/compiler/testData/codegen/box/inlineClasses/crossinlineWithInlineClassInParameter.kt
+++ b/compiler/testData/codegen/box/inlineClasses/crossinlineWithInlineClassInParameter.kt
@@ -1,5 +1,5 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND: JVM_IR, JS_IR
+// IGNORE_BACKEND: JVM_IR
 
 inline class SuccessOrFailure<T>(val a: Any?) {
     fun getOrThrow(): T = a as T
diff --git a/compiler/testData/codegen/box/innerNested/superConstructorCall/deepLocalHierarchy.kt b/compiler/testData/codegen/box/innerNested/superConstructorCall/deepLocalHierarchy.kt
index 488e68de3ca..760f7b0deae 100644
--- a/compiler/testData/codegen/box/innerNested/superConstructorCall/deepLocalHierarchy.kt
+++ b/compiler/testData/codegen/box/innerNested/superConstructorCall/deepLocalHierarchy.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 fun box(): String {
     abstract class L1 {
         abstract fun foo(): String
diff --git a/compiler/testData/codegen/box/localClasses/innerOfLocalCaptureExtensionReceiver.kt b/compiler/testData/codegen/box/localClasses/innerOfLocalCaptureExtensionReceiver.kt
index 579b0d2a56c..9d55a96033d 100644
--- a/compiler/testData/codegen/box/localClasses/innerOfLocalCaptureExtensionReceiver.kt
+++ b/compiler/testData/codegen/box/localClasses/innerOfLocalCaptureExtensionReceiver.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 fun String.bar(): String {
     open class Local {
         fun result() = this@bar
diff --git a/compiler/testData/codegen/box/localClasses/kt3584.kt b/compiler/testData/codegen/box/localClasses/kt3584.kt
index 2ae3697bdd7..758694b6b17 100644
--- a/compiler/testData/codegen/box/localClasses/kt3584.kt
+++ b/compiler/testData/codegen/box/localClasses/kt3584.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 fun box(): String {
     val s = "captured";
 
diff --git a/compiler/testData/codegen/box/localClasses/localClassInInitializer.kt b/compiler/testData/codegen/box/localClasses/localClassInInitializer.kt
index 114df8937e4..0dafae38048 100644
--- a/compiler/testData/codegen/box/localClasses/localClassInInitializer.kt
+++ b/compiler/testData/codegen/box/localClasses/localClassInInitializer.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 class A {
     var a: String = "Fail"
 
diff --git a/compiler/testData/codegen/box/localClasses/nameWithWhitespace.kt b/compiler/testData/codegen/box/localClasses/nameWithWhitespace.kt
index 3b7f1194b04..2bdaf3a9a12 100644
--- a/compiler/testData/codegen/box/localClasses/nameWithWhitespace.kt
+++ b/compiler/testData/codegen/box/localClasses/nameWithWhitespace.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JS
 
diff --git a/compiler/testData/codegen/box/multiplatform/defaultArguments/constructor.kt b/compiler/testData/codegen/box/multiplatform/defaultArguments/constructor.kt
index 3d18adacce5..5f2ccb04fc2 100644
--- a/compiler/testData/codegen/box/multiplatform/defaultArguments/constructor.kt
+++ b/compiler/testData/codegen/box/multiplatform/defaultArguments/constructor.kt
@@ -1,4 +1,5 @@
 // !LANGUAGE: +MultiPlatformProjects
+// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // WITH_RUNTIME
 // FILE: common.kt
diff --git a/compiler/testData/codegen/box/multiplatform/defaultArguments/function.kt b/compiler/testData/codegen/box/multiplatform/defaultArguments/function.kt
index 53f7f987aea..704d33e4fa6 100644
--- a/compiler/testData/codegen/box/multiplatform/defaultArguments/function.kt
+++ b/compiler/testData/codegen/box/multiplatform/defaultArguments/function.kt
@@ -1,4 +1,5 @@
 // !LANGUAGE: +MultiPlatformProjects
+// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // WITH_RUNTIME
 // FILE: common.kt
diff --git a/compiler/testData/codegen/box/multiplatform/defaultArguments/inheritedFromExpectedClass.kt b/compiler/testData/codegen/box/multiplatform/defaultArguments/inheritedFromExpectedClass.kt
index 23aae686691..d3bc14ac9fe 100644
--- a/compiler/testData/codegen/box/multiplatform/defaultArguments/inheritedFromExpectedClass.kt
+++ b/compiler/testData/codegen/box/multiplatform/defaultArguments/inheritedFromExpectedClass.kt
@@ -1,4 +1,5 @@
 // !LANGUAGE: +MultiPlatformProjects
+// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // WITH_RUNTIME
 // FILE: common.kt
diff --git a/compiler/testData/codegen/box/multiplatform/defaultArguments/inheritedFromExpectedMethod.kt b/compiler/testData/codegen/box/multiplatform/defaultArguments/inheritedFromExpectedMethod.kt
index c4ea69ccf78..2567df20cd5 100644
--- a/compiler/testData/codegen/box/multiplatform/defaultArguments/inheritedFromExpectedMethod.kt
+++ b/compiler/testData/codegen/box/multiplatform/defaultArguments/inheritedFromExpectedMethod.kt
@@ -1,4 +1,5 @@
 // !LANGUAGE: +MultiPlatformProjects
+// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 // IGNORE_BACKEND: JVM_IR
 // FILE: common.kt
diff --git a/compiler/testData/codegen/box/multiplatform/defaultArguments/inheritedInExpectedDeclarations.kt b/compiler/testData/codegen/box/multiplatform/defaultArguments/inheritedInExpectedDeclarations.kt
index abe6f5ca198..3c1a684d0be 100644
--- a/compiler/testData/codegen/box/multiplatform/defaultArguments/inheritedInExpectedDeclarations.kt
+++ b/compiler/testData/codegen/box/multiplatform/defaultArguments/inheritedInExpectedDeclarations.kt
@@ -1,4 +1,5 @@
 // !LANGUAGE: +MultiPlatformProjects
+// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 // IGNORE_BACKEND: JVM_IR
 // FILE: common.kt
diff --git a/compiler/testData/codegen/box/multiplatform/defaultArguments/kt23239.kt b/compiler/testData/codegen/box/multiplatform/defaultArguments/kt23239.kt
index 55334ec1fda..f3b2c59a0f3 100644
--- a/compiler/testData/codegen/box/multiplatform/defaultArguments/kt23239.kt
+++ b/compiler/testData/codegen/box/multiplatform/defaultArguments/kt23239.kt
@@ -1,4 +1,5 @@
 // !LANGUAGE: +MultiPlatformProjects
+// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 // IGNORE_BACKEND: JVM_IR
 // FILE: common.kt
diff --git a/compiler/testData/codegen/box/objects/kt11117.kt b/compiler/testData/codegen/box/objects/kt11117.kt
index c897fa37c8c..439f80a6723 100644
--- a/compiler/testData/codegen/box/objects/kt11117.kt
+++ b/compiler/testData/codegen/box/objects/kt11117.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 class A(val value: String)
 
 fun A.test(): String {
diff --git a/compiler/testData/codegen/box/regressions/kt10143.kt b/compiler/testData/codegen/box/regressions/kt10143.kt
index de4f426bacc..33a0cbbce16 100644
--- a/compiler/testData/codegen/box/regressions/kt10143.kt
+++ b/compiler/testData/codegen/box/regressions/kt10143.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 // FILE: Outer.kt
 
 package another
diff --git a/compiler/testData/codegen/box/regressions/kt13381.kt b/compiler/testData/codegen/box/regressions/kt13381.kt
index 2c172687bb2..9bbaca3c317 100644
--- a/compiler/testData/codegen/box/regressions/kt13381.kt
+++ b/compiler/testData/codegen/box/regressions/kt13381.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 interface A {
     // There must be no delegation methods for 'log' and 'bar' in C as they are private
     private val log: String get() = "O"
diff --git a/compiler/testData/codegen/box/secondaryConstructors/innerClasses.kt b/compiler/testData/codegen/box/secondaryConstructors/innerClasses.kt
index d13eddb8647..e19fc037b7a 100644
--- a/compiler/testData/codegen/box/secondaryConstructors/innerClasses.kt
+++ b/compiler/testData/codegen/box/secondaryConstructors/innerClasses.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 class Outer {
     val outerProp: String
     constructor(x: String) {
diff --git a/compiler/testData/codegen/box/secondaryConstructors/innerClassesInheritance.kt b/compiler/testData/codegen/box/secondaryConstructors/innerClassesInheritance.kt
index ecec33a9a4e..bfe9e2e4477 100644
--- a/compiler/testData/codegen/box/secondaryConstructors/innerClassesInheritance.kt
+++ b/compiler/testData/codegen/box/secondaryConstructors/innerClassesInheritance.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 class Outer {
     val outerProp: String
     constructor(x: String) {
diff --git a/compiler/testData/codegen/box/strings/kt2592.kt b/compiler/testData/codegen/box/strings/kt2592.kt
index 8b6562e0dcd..013ad56f0d6 100644
--- a/compiler/testData/codegen/box/strings/kt2592.kt
+++ b/compiler/testData/codegen/box/strings/kt2592.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 fun box(): String {
     String()
     return String() + "OK" + String()
diff --git a/compiler/testData/codegen/box/syntheticAccessors/accessorForGenericConstructor.kt b/compiler/testData/codegen/box/syntheticAccessors/accessorForGenericConstructor.kt
index 37708d310cf..9a97980a5a6 100644
--- a/compiler/testData/codegen/box/syntheticAccessors/accessorForGenericConstructor.kt
+++ b/compiler/testData/codegen/box/syntheticAccessors/accessorForGenericConstructor.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 fun box(): String {
     A.Nested().nestedA()
     A.Nested().Inner().innerA()
diff --git a/compiler/testData/codegen/box/traits/traitWithPrivateMember.kt b/compiler/testData/codegen/box/traits/traitWithPrivateMember.kt
index 81a36f10918..636c5857df9 100644
--- a/compiler/testData/codegen/box/traits/traitWithPrivateMember.kt
+++ b/compiler/testData/codegen/box/traits/traitWithPrivateMember.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 interface Z {
 
     fun testFun() : String {
diff --git a/compiler/testData/codegen/box/traits/traitWithPrivateMemberAccessFromLambda.kt b/compiler/testData/codegen/box/traits/traitWithPrivateMemberAccessFromLambda.kt
index 08999b5a85c..ffa72888bec 100644
--- a/compiler/testData/codegen/box/traits/traitWithPrivateMemberAccessFromLambda.kt
+++ b/compiler/testData/codegen/box/traits/traitWithPrivateMemberAccessFromLambda.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 interface Z {
 
     fun testFun(): String {
diff --git a/compiler/testData/codegen/box/when/whenSubjectVariable/ieee754EqualityWithSmartCast.kt b/compiler/testData/codegen/box/when/whenSubjectVariable/ieee754EqualityWithSmartCast.kt
index 71015f020aa..2f5cfe7aa0e 100644
--- a/compiler/testData/codegen/box/when/whenSubjectVariable/ieee754EqualityWithSmartCast.kt
+++ b/compiler/testData/codegen/box/when/whenSubjectVariable/ieee754EqualityWithSmartCast.kt
@@ -1,6 +1,4 @@
 // !LANGUAGE: +VariableDeclarationInWhenSubject +ProperIeee754Comparisons
-// IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 
 val az: Any = -0.0
 val afz: Any = -0.0f
diff --git a/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/callableReferences/innerClassConstuctorReference.kt b/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/callableReferences/innerClassConstuctorReference.kt
index a600045f688..197495daf5b 100644
--- a/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/callableReferences/innerClassConstuctorReference.kt
+++ b/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/callableReferences/innerClassConstuctorReference.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 // FILE: 1.kt
 // LANGUAGE_VERSION: 1.2
 // SKIP_INLINE_CHECK_IN: inlineFun$default
diff --git a/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/checkLambdaClassesArePresent.kt b/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/checkLambdaClassesArePresent.kt
index 0db4d653b8e..41a93022f21 100644
--- a/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/checkLambdaClassesArePresent.kt
+++ b/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/checkLambdaClassesArePresent.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 // NO_CHECK_LAMBDA_INLINING
 // FILE: 1.kt
 package test
diff --git a/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/checkStaticLambdaClassesArePresent.kt b/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/checkStaticLambdaClassesArePresent.kt
index e4b480c591b..40a37f4dd13 100644
--- a/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/checkStaticLambdaClassesArePresent.kt
+++ b/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/checkStaticLambdaClassesArePresent.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 // NO_CHECK_LAMBDA_INLINING
 // FILE: 1.kt
 package test
diff --git a/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/thisClash.kt b/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/thisClash.kt
index 45fda813be7..0b747ca9d54 100644
--- a/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/thisClash.kt
+++ b/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/thisClash.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 // FILE: 1.kt
 // LANGUAGE_VERSION: 1.2
 // SKIP_INLINE_CHECK_IN: inlineFun$default
diff --git a/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/thisClashInClass.kt b/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/thisClashInClass.kt
index fa0979ff1d4..5846750ba3a 100644
--- a/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/thisClashInClass.kt
+++ b/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/thisClashInClass.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 // FILE: 1.kt
 // LANGUAGE_VERSION: 1.2
 // SKIP_INLINE_CHECK_IN: inlineFun$default
diff --git a/compiler/testData/codegen/boxInline/noInline/noInlineLambdaChain.kt b/compiler/testData/codegen/boxInline/noInline/noInlineLambdaChain.kt
index f4e50a39909..541efe7cbf3 100644
--- a/compiler/testData/codegen/boxInline/noInline/noInlineLambdaChain.kt
+++ b/compiler/testData/codegen/boxInline/noInline/noInlineLambdaChain.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // FILE: 1.kt
 
 package test
diff --git a/js/js.translator/testData/box/examples/propertyInInitializer.kt b/js/js.translator/testData/box/examples/propertyInInitializer.kt
index 1c09a743b74..e4f684871f7 100644
--- a/js/js.translator/testData/box/examples/propertyInInitializer.kt
+++ b/js/js.translator/testData/box/examples/propertyInInitializer.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1119
 class Outer() {
     val s = "xyzzy"
diff --git a/js/js.translator/testData/box/expression/when/whenNotType.kt b/js/js.translator/testData/box/expression/when/whenNotType.kt
index f9593ca3d42..be95f539425 100644
--- a/js/js.translator/testData/box/expression/when/whenNotType.kt
+++ b/js/js.translator/testData/box/expression/when/whenNotType.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1110
 package foo
 
diff --git a/js/js.translator/testData/box/inlineMultiFile/lambdaCloning.kt b/js/js.translator/testData/box/inlineMultiFile/lambdaCloning.kt
index 577cd58d506..9acf1370645 100644
--- a/js/js.translator/testData/box/inlineMultiFile/lambdaCloning.kt
+++ b/js/js.translator/testData/box/inlineMultiFile/lambdaCloning.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1113
 /*
  * Copy of JVM-backend test
diff --git a/js/js.translator/testData/box/inlineMultiFile/lambdaInLambdaNoInline.kt b/js/js.translator/testData/box/inlineMultiFile/lambdaInLambdaNoInline.kt
index e712a359af9..a82d62c51a0 100644
--- a/js/js.translator/testData/box/inlineMultiFile/lambdaInLambdaNoInline.kt
+++ b/js/js.translator/testData/box/inlineMultiFile/lambdaInLambdaNoInline.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1124
 /*
  * Copy of JVM-backend test
diff --git a/js/js.translator/testData/box/multiFile/classOfTheSameNameInAnotherPackage.kt b/js/js.translator/testData/box/multiFile/classOfTheSameNameInAnotherPackage.kt
index 23cef94edc3..a3f9a354ff1 100644
--- a/js/js.translator/testData/box/multiFile/classOfTheSameNameInAnotherPackage.kt
+++ b/js/js.translator/testData/box/multiFile/classOfTheSameNameInAnotherPackage.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1116
 // FILE: A.kt
 package foo
diff --git a/js/js.translator/testData/box/multiFile/packageAndPrivateDeclarationDoNotClash.kt b/js/js.translator/testData/box/multiFile/packageAndPrivateDeclarationDoNotClash.kt
index 183a714da46..74a5c351d09 100644
--- a/js/js.translator/testData/box/multiFile/packageAndPrivateDeclarationDoNotClash.kt
+++ b/js/js.translator/testData/box/multiFile/packageAndPrivateDeclarationDoNotClash.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1115
 // FILE: foo.kt
 package foo
diff --git a/js/js.translator/testData/box/nameClashes/methodAndPrivateProperty.kt b/js/js.translator/testData/box/nameClashes/methodAndPrivateProperty.kt
index 6c966228f4b..3e32fa8ea43 100644
--- a/js/js.translator/testData/box/nameClashes/methodAndPrivateProperty.kt
+++ b/js/js.translator/testData/box/nameClashes/methodAndPrivateProperty.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1114
 package foo
 
diff --git a/js/js.translator/testData/box/native/inheritanceFromNativeTrait.kt b/js/js.translator/testData/box/native/inheritanceFromNativeTrait.kt
index 41deab8acfb..75cbc379a95 100644
--- a/js/js.translator/testData/box/native/inheritanceFromNativeTrait.kt
+++ b/js/js.translator/testData/box/native/inheritanceFromNativeTrait.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1129
 package foo
 
diff --git a/js/js.translator/testData/box/native/undefined.kt b/js/js.translator/testData/box/native/undefined.kt
index a9f16bc7f8f..78ea7631a71 100644
--- a/js/js.translator/testData/box/native/undefined.kt
+++ b/js/js.translator/testData/box/native/undefined.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1119
 package foo
 
diff --git a/js/js.translator/testData/box/propertyOverride/overloadPrivateVal.kt b/js/js.translator/testData/box/propertyOverride/overloadPrivateVal.kt
index 1288075646b..c2bf52deede 100644
--- a/js/js.translator/testData/box/propertyOverride/overloadPrivateVal.kt
+++ b/js/js.translator/testData/box/propertyOverride/overloadPrivateVal.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1119
 package foo
 
diff --git a/js/js.translator/testData/box/reflection/external.kt b/js/js.translator/testData/box/reflection/external.kt
index 6035b58fb3d..a842405f13b 100644
--- a/js/js.translator/testData/box/reflection/external.kt
+++ b/js/js.translator/testData/box/reflection/external.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1221
 external class A