diff --git a/compiler/testData/codegen/box/callableReference/bound/primitiveReceiver.kt b/compiler/testData/codegen/box/callableReference/bound/primitiveReceiver.kt
index 2b14a334719..2773e0cdcd1 100644
--- a/compiler/testData/codegen/box/callableReference/bound/primitiveReceiver.kt
+++ b/compiler/testData/codegen/box/callableReference/bound/primitiveReceiver.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 fun Boolean.foo() = 1
 fun Byte.foo() = 2
 fun Short.foo() = 3
diff --git a/compiler/testData/codegen/box/classes/inner/instantiateInDerived.kt b/compiler/testData/codegen/box/classes/inner/instantiateInDerived.kt
index 7721156a904..2f928428baf 100644
--- a/compiler/testData/codegen/box/classes/inner/instantiateInDerived.kt
+++ b/compiler/testData/codegen/box/classes/inner/instantiateInDerived.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 open class A(val value: String) {
     inner class B(val s: String) {
         val result = value + "_" + s
diff --git a/compiler/testData/codegen/box/controlStructures/forLoopMemberExtensionAll.kt b/compiler/testData/codegen/box/controlStructures/forLoopMemberExtensionAll.kt
index 82c27b861f0..bd701f507a2 100644
--- a/compiler/testData/codegen/box/controlStructures/forLoopMemberExtensionAll.kt
+++ b/compiler/testData/codegen/box/controlStructures/forLoopMemberExtensionAll.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 class It {
 }
 
diff --git a/compiler/testData/codegen/box/controlStructures/forLoopMemberExtensionHasNext.kt b/compiler/testData/codegen/box/controlStructures/forLoopMemberExtensionHasNext.kt
index 9aa22365a5b..fd0e52ec3f8 100644
--- a/compiler/testData/codegen/box/controlStructures/forLoopMemberExtensionHasNext.kt
+++ b/compiler/testData/codegen/box/controlStructures/forLoopMemberExtensionHasNext.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 class It {
     operator fun next() = 5
 }
diff --git a/compiler/testData/codegen/box/defaultArguments/convention/incWithDefaultInGetter.kt b/compiler/testData/codegen/box/defaultArguments/convention/incWithDefaultInGetter.kt
index 306b834b533..a576bf5b852 100644
--- a/compiler/testData/codegen/box/defaultArguments/convention/incWithDefaultInGetter.kt
+++ b/compiler/testData/codegen/box/defaultArguments/convention/incWithDefaultInGetter.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 var inc: String = ""
 
 class X {
diff --git a/compiler/testData/codegen/box/properties/kt1892.kt b/compiler/testData/codegen/box/properties/kt1892.kt
index b43b8889d28..ae564c7fc93 100644
--- a/compiler/testData/codegen/box/properties/kt1892.kt
+++ b/compiler/testData/codegen/box/properties/kt1892.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 val Int.ext: () -> Int get() = { 5 }
 val Long.ext: Long get() = 4.ext().toLong()  //(c.kt:4)
 val y: Long get() = 10L.ext
diff --git a/compiler/testData/codegen/box/ranges/forInDownTo/forIntInDownToWithNonConstBounds.kt b/compiler/testData/codegen/box/ranges/forInDownTo/forIntInDownToWithNonConstBounds.kt
index 8ce382e2f5a..1141a4d68c6 100644
--- a/compiler/testData/codegen/box/ranges/forInDownTo/forIntInDownToWithNonConstBounds.kt
+++ b/compiler/testData/codegen/box/ranges/forInDownTo/forIntInDownToWithNonConstBounds.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 
 import kotlin.test.assertEquals
diff --git a/compiler/testData/codegen/box/ranges/forInDownTo/forIntInNonOptimizedDownTo.kt b/compiler/testData/codegen/box/ranges/forInDownTo/forIntInNonOptimizedDownTo.kt
index 29001982893..45214ff7d0e 100644
--- a/compiler/testData/codegen/box/ranges/forInDownTo/forIntInNonOptimizedDownTo.kt
+++ b/compiler/testData/codegen/box/ranges/forInDownTo/forIntInNonOptimizedDownTo.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 
 import kotlin.test.assertEquals
diff --git a/compiler/testData/codegen/box/ranges/forInDownTo/forLongInDownTo.kt b/compiler/testData/codegen/box/ranges/forInDownTo/forLongInDownTo.kt
index 5221c4b3673..4d1e9793cce 100644
--- a/compiler/testData/codegen/box/ranges/forInDownTo/forLongInDownTo.kt
+++ b/compiler/testData/codegen/box/ranges/forInDownTo/forLongInDownTo.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 
 import kotlin.test.assertEquals
diff --git a/compiler/testData/codegen/box/ranges/forInDownTo/forNullableIntInDownTo.kt b/compiler/testData/codegen/box/ranges/forInDownTo/forNullableIntInDownTo.kt
index 1ad7ae86992..26109378c1b 100644
--- a/compiler/testData/codegen/box/ranges/forInDownTo/forNullableIntInDownTo.kt
+++ b/compiler/testData/codegen/box/ranges/forInDownTo/forNullableIntInDownTo.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 
 import kotlin.test.assertEquals
diff --git a/compiler/testData/codegen/box/ranges/forInUntil/forInUntilLong.kt b/compiler/testData/codegen/box/ranges/forInUntil/forInUntilLong.kt
index da62c632731..93e0853225b 100644
--- a/compiler/testData/codegen/box/ranges/forInUntil/forInUntilLong.kt
+++ b/compiler/testData/codegen/box/ranges/forInUntil/forInUntilLong.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 
 import kotlin.test.assertEquals
diff --git a/compiler/testData/codegen/box/ranges/forInUntil/forInUntilMinlong.kt b/compiler/testData/codegen/box/ranges/forInUntil/forInUntilMinlong.kt
index 7a4b24db936..865c6580f54 100644
--- a/compiler/testData/codegen/box/ranges/forInUntil/forInUntilMinlong.kt
+++ b/compiler/testData/codegen/box/ranges/forInUntil/forInUntilMinlong.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 
 import kotlin.test.assertEquals
diff --git a/compiler/testData/codegen/box/ranges/forWithPossibleOverflow/forInDownToLongMinValue.kt b/compiler/testData/codegen/box/ranges/forWithPossibleOverflow/forInDownToLongMinValue.kt
index 356a93ab0e5..63e18ab3c22 100644
--- a/compiler/testData/codegen/box/ranges/forWithPossibleOverflow/forInDownToLongMinValue.kt
+++ b/compiler/testData/codegen/box/ranges/forWithPossibleOverflow/forInDownToLongMinValue.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 
 const val M = Long.MIN_VALUE
diff --git a/compiler/testData/codegen/box/ranges/forWithPossibleOverflow/forInRangeToLongMaxValue.kt b/compiler/testData/codegen/box/ranges/forWithPossibleOverflow/forInRangeToLongMaxValue.kt
index 1398fd2c2c7..d1f2e84af97 100644
--- a/compiler/testData/codegen/box/ranges/forWithPossibleOverflow/forInRangeToLongMaxValue.kt
+++ b/compiler/testData/codegen/box/ranges/forWithPossibleOverflow/forInRangeToLongMaxValue.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 const val M = Long.MAX_VALUE
 
 fun box(): String {
diff --git a/compiler/testData/codegen/box/safeCall/kt4733.kt b/compiler/testData/codegen/box/safeCall/kt4733.kt
index 06923ff8489..dde6d4af7cb 100644
--- a/compiler/testData/codegen/box/safeCall/kt4733.kt
+++ b/compiler/testData/codegen/box/safeCall/kt4733.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 class Test {
     val Long.foo: Long
         get() = this + 1
diff --git a/compiler/testData/codegen/box/traits/traitWithPrivateExtension.kt b/compiler/testData/codegen/box/traits/traitWithPrivateExtension.kt
index 18087b76de0..18d41bca32a 100644
--- a/compiler/testData/codegen/box/traits/traitWithPrivateExtension.kt
+++ b/compiler/testData/codegen/box/traits/traitWithPrivateExtension.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 open class B {
     val p = "OK"
diff --git a/js/js.translator/testData/box/expression/cast/smartCastInExtensionFunction.kt b/js/js.translator/testData/box/expression/cast/smartCastInExtensionFunction.kt
index 623c47096bf..2ca8b37bfc7 100644
--- a/js/js.translator/testData/box/expression/cast/smartCastInExtensionFunction.kt
+++ b/js/js.translator/testData/box/expression/cast/smartCastInExtensionFunction.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1126
 package foo
 
diff --git a/js/js.translator/testData/box/expression/cast/smartCastInFunction.kt b/js/js.translator/testData/box/expression/cast/smartCastInFunction.kt
index 0c48347920f..9deb37b81c6 100644
--- a/js/js.translator/testData/box/expression/cast/smartCastInFunction.kt
+++ b/js/js.translator/testData/box/expression/cast/smartCastInFunction.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1125
 package foo
 
diff --git a/js/js.translator/testData/box/nameClashes/extensionPropertiesWithDifferentReceivers.kt b/js/js.translator/testData/box/nameClashes/extensionPropertiesWithDifferentReceivers.kt
index 668613b7912..0848d96e04d 100644
--- a/js/js.translator/testData/box/nameClashes/extensionPropertiesWithDifferentReceivers.kt
+++ b/js/js.translator/testData/box/nameClashes/extensionPropertiesWithDifferentReceivers.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1118
 package foo
 
diff --git a/js/js.translator/testData/box/nameClashes/overloadExtension.kt b/js/js.translator/testData/box/nameClashes/overloadExtension.kt
index 064f7095842..a3f02bec619 100644
--- a/js/js.translator/testData/box/nameClashes/overloadExtension.kt
+++ b/js/js.translator/testData/box/nameClashes/overloadExtension.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1109
 package foo