diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt
index 29d3d813296..c4e9db111a8 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt
@@ -49,10 +49,11 @@ fun compile(
     files: List<KtFile>,
     configuration: CompilerConfiguration,
     export: FqName? = null,
-    dependencies: List<Result> = listOf()
+    dependencies: List<ModuleDescriptor> = listOf(),
+    irDependencyModules: List<IrModuleFragment> = listOf()
 ): Result {
     val analysisResult =
-        TopDownAnalyzerFacadeForJS.analyzeFiles(files, project, configuration, dependencies.mapNotNull { it.moduleDescriptor as? ModuleDescriptorImpl }, emptyList())
+        TopDownAnalyzerFacadeForJS.analyzeFiles(files, project, configuration, dependencies.mapNotNull { it as? ModuleDescriptorImpl }, emptyList())
 
     ProgressIndicatorAndCompilationCanceledStatus.checkCanceled()
 
@@ -61,8 +62,6 @@ fun compile(
     val psi2IrTranslator = Psi2IrTranslator(configuration.languageVersionSettings)
     val psi2IrContext = psi2IrTranslator.createGeneratorContext(analysisResult.moduleDescriptor, analysisResult.bindingContext)
 
-    val irDependencyModules = dependencies.map { it.moduleFragment.deepCopyWithSymbols() }
-
     irDependencyModules.forEach { psi2IrContext.symbolTable.loadModule(it)}
 
     val moduleFragment = psi2IrTranslator.generateModuleFragment(psi2IrContext, files)
diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/ArrayInlineConstructorLowering.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/ArrayInlineConstructorLowering.kt
index ff068377856..d1d32802a38 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/ArrayInlineConstructorLowering.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/ArrayInlineConstructorLowering.kt
@@ -6,15 +6,13 @@
 package org.jetbrains.kotlin.ir.backend.js.lower
 
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
-import org.jetbrains.kotlin.builtins.PrimitiveType
-import org.jetbrains.kotlin.ir.UNDEFINED_OFFSET
 import org.jetbrains.kotlin.ir.backend.js.JsIrBackendContext
+import org.jetbrains.kotlin.ir.backend.js.ir.irCall
 import org.jetbrains.kotlin.ir.declarations.IrConstructor
 import org.jetbrains.kotlin.ir.declarations.IrFile
 import org.jetbrains.kotlin.ir.expressions.IrCall
 import org.jetbrains.kotlin.ir.expressions.IrExpression
 import org.jetbrains.kotlin.ir.expressions.impl.IrCallImpl
-import org.jetbrains.kotlin.ir.expressions.impl.IrConstImpl
 import org.jetbrains.kotlin.ir.symbols.IrClassSymbol
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
 import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid
diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/SecondaryCtorLowering.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/SecondaryCtorLowering.kt
index e76ee0098c1..4a5f952d3b7 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/SecondaryCtorLowering.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/SecondaryCtorLowering.kt
@@ -37,22 +37,31 @@ class SecondaryCtorLowering(val context: JsIrBackendContext) {
 
     fun getConstructorProcessorLowering() = object : DeclarationContainerLoweringPass {
         override fun lower(irDeclarationContainer: IrDeclarationContainer) {
-            irDeclarationContainer.declarations.transformFlat {
-                if (it is IrClass) {
-                    listOf(it) + lowerClass(it)
-                } else null
-            }
+            irDeclarationContainer.declarations.filterIsInstance<IrClass>().forEach { lowerClass(it) }
         }
     }::runOnFilePostfix
 
     fun getConstructorRedirectorLowering() = object : DeclarationContainerLoweringPass {
         override fun lower(irDeclarationContainer: IrDeclarationContainer) {
+            if (irDeclarationContainer is IrClass) {
+                updateConstructorDeclarations(irDeclarationContainer)
+            }
             for (it in irDeclarationContainer.declarations) {
                 it.accept(CallsiteRedirectionTransformer(), null)
             }
         }
     }::runOnFilePostfix
 
+    private fun updateConstructorDeclarations(irClass: IrClass) {
+        irClass.declarations.transformFlat {
+            if (it is IrConstructor) {
+                oldCtorToNewMap[it.symbol]?.let { (newInit, newCreate) ->
+                    listOf(newInit.owner, newCreate.owner)
+                }
+            } else null
+        }
+    }
+
     private fun lowerClass(irClass: IrClass): List<IrSimpleFunction> {
         val className = irClass.name.asString()
         val oldConstructors = mutableListOf<IrConstructor>()
@@ -91,8 +100,6 @@ class SecondaryCtorLowering(val context: JsIrBackendContext) {
             }
         }
 
-        irClass.declarations.removeAll(oldConstructors)
-
         return newConstructors
     }
 
diff --git a/compiler/testData/codegen/box/coroutines/featureIntersection/callableReference/bound/emptyLHS.kt b/compiler/testData/codegen/box/coroutines/featureIntersection/callableReference/bound/emptyLHS.kt
index 249dd1f7d41..dd7794f1212 100644
--- a/compiler/testData/codegen/box/coroutines/featureIntersection/callableReference/bound/emptyLHS.kt
+++ b/compiler/testData/codegen/box/coroutines/featureIntersection/callableReference/bound/emptyLHS.kt
@@ -1,7 +1,7 @@
 // !LANGUAGE: +ReleaseCoroutines
 // !API_VERSION: 1.3
 // IGNORE_BACKEND: NATIVE
-// IGNORE_BACKEND: JS, JS_IR
+// IGNORE_BACKEND: JS
 // IGNORE_BACKEND: JVM_IR
 
 // WITH_RUNTIME
diff --git a/compiler/testData/codegen/box/coroutines/multiModule/inlineCrossModule.kt b/compiler/testData/codegen/box/coroutines/multiModule/inlineCrossModule.kt
index fdf9d5f29d6..64bc19d703b 100644
--- a/compiler/testData/codegen/box/coroutines/multiModule/inlineCrossModule.kt
+++ b/compiler/testData/codegen/box/coroutines/multiModule/inlineCrossModule.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: NATIVE
 // WITH_COROUTINES
diff --git a/compiler/testData/codegen/box/coroutines/multiModule/inlineFunctionWithOptionalParam.kt b/compiler/testData/codegen/box/coroutines/multiModule/inlineFunctionWithOptionalParam.kt
index 684cb02d4d7..7fbf56e31b9 100644
--- a/compiler/testData/codegen/box/coroutines/multiModule/inlineFunctionWithOptionalParam.kt
+++ b/compiler/testData/codegen/box/coroutines/multiModule/inlineFunctionWithOptionalParam.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // MODULE: lib
 // FILE: lib.kt
diff --git a/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModule.kt b/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModule.kt
index 94346b79709..46bc07f3640 100644
--- a/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModule.kt
+++ b/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModule.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // WITH_COROUTINES
 // WITH_RUNTIME
diff --git a/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModuleOverride.kt b/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModuleOverride.kt
index c21a70899b0..f1bb2a3bffc 100644
--- a/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModuleOverride.kt
+++ b/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModuleOverride.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // WITH_COROUTINES
 // WITH_RUNTIME
diff --git a/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModuleWithController.kt b/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModuleWithController.kt
index 8ebdfa68f2e..ed47bcba09c 100644
--- a/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModuleWithController.kt
+++ b/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModuleWithController.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // WITH_COROUTINES
 // WITH_RUNTIME
diff --git a/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModuleWithInnerInlining.kt b/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModuleWithInnerInlining.kt
index 389ea371c4f..d68080eac82 100644
--- a/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModuleWithInnerInlining.kt
+++ b/compiler/testData/codegen/box/coroutines/multiModule/inlineMultiModuleWithInnerInlining.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: NATIVE
 // WITH_COROUTINES
diff --git a/compiler/testData/codegen/box/coroutines/multiModule/inlineTailCall.kt b/compiler/testData/codegen/box/coroutines/multiModule/inlineTailCall.kt
index bd15b1c371a..c24383990be 100644
--- a/compiler/testData/codegen/box/coroutines/multiModule/inlineTailCall.kt
+++ b/compiler/testData/codegen/box/coroutines/multiModule/inlineTailCall.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: NATIVE
 // WITH_RUNTIME
diff --git a/compiler/testData/codegen/box/coroutines/multiModule/simple.kt b/compiler/testData/codegen/box/coroutines/multiModule/simple.kt
index e6df97e04af..efd7abb0b5e 100644
--- a/compiler/testData/codegen/box/coroutines/multiModule/simple.kt
+++ b/compiler/testData/codegen/box/coroutines/multiModule/simple.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JVM_IR
 // WITH_RUNTIME
 // WITH_COROUTINES
diff --git a/compiler/testData/codegen/box/inlineClasses/unboxValueFromPlatformType.kt b/compiler/testData/codegen/box/inlineClasses/unboxValueFromPlatformType.kt
index cc7661b339e..1c388d4b29c 100644
--- a/compiler/testData/codegen/box/inlineClasses/unboxValueFromPlatformType.kt
+++ b/compiler/testData/codegen/box/inlineClasses/unboxValueFromPlatformType.kt
@@ -1,5 +1,5 @@
 // WITH_RUNTIME
-// IGNORE_BACKEND: JVM_IR, JS_IR, NATIVE
+// IGNORE_BACKEND: JVM_IR, NATIVE
 
 inline class SnekDirection(val direction: Int) {
     companion object {
diff --git a/compiler/testData/codegen/box/publishedApi/simple.kt b/compiler/testData/codegen/box/publishedApi/simple.kt
index ddfba9a1454..4ad78979fd4 100644
--- a/compiler/testData/codegen/box/publishedApi/simple.kt
+++ b/compiler/testData/codegen/box/publishedApi/simple.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // MODULE: lib
 // FILE: lib.kt
 class A {
diff --git a/compiler/testData/codegen/box/publishedApi/topLevel.kt b/compiler/testData/codegen/box/publishedApi/topLevel.kt
index 325f24e8590..e2a33400e7d 100644
--- a/compiler/testData/codegen/box/publishedApi/topLevel.kt
+++ b/compiler/testData/codegen/box/publishedApi/topLevel.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // MODULE: lib
 // FILE: lib.kt
 @PublishedApi
diff --git a/compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/nonLocalReturnFromCatchBlock.kt b/compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/nonLocalReturnFromCatchBlock.kt
index 5ccb05f70e8..c46314a6f41 100644
--- a/compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/nonLocalReturnFromCatchBlock.kt
+++ b/compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/nonLocalReturnFromCatchBlock.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 // MODULE: lib
 // FILE: lib.kt
 
diff --git a/compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/nonLocalReturnToCatchBlock.kt b/compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/nonLocalReturnToCatchBlock.kt
index a62515523e3..319213c08c8 100644
--- a/compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/nonLocalReturnToCatchBlock.kt
+++ b/compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/nonLocalReturnToCatchBlock.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // MODULE: lib
 // FILE: lib.kt
 
diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicBoxTest.kt b/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicBoxTest.kt
index d8056f6907d..95c709d70dc 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicBoxTest.kt
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicBoxTest.kt
@@ -94,7 +94,7 @@ abstract class BasicBoxTest(
         doTest(filePath, "OK", MainCallParameters.noCall(), coroutinesPackage)
     }
 
-    fun doTest(filePath: String, expectedResult: String, mainCallParameters: MainCallParameters, coroutinesPackage: String = "") {
+    open fun doTest(filePath: String, expectedResult: String, mainCallParameters: MainCallParameters, coroutinesPackage: String = "") {
         val file = File(filePath)
         val outputDir = getOutputDir(file)
         var fileContent = KotlinTestUtils.doLoadFile(file)
diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt b/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt
index a8397c84885..ed8f7f9f959 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicIrBoxTest.kt
@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.js.test
 import org.jetbrains.kotlin.config.*
 import org.jetbrains.kotlin.ir.backend.js.Result
 import org.jetbrains.kotlin.ir.backend.js.compile
+import org.jetbrains.kotlin.js.config.JSConfigurationKeys
 import org.jetbrains.kotlin.js.config.JsConfig
 import org.jetbrains.kotlin.js.facade.MainCallParameters
 import org.jetbrains.kotlin.js.facade.TranslationUnit
@@ -116,6 +117,13 @@ abstract class BasicIrBoxTest(
 
     override var skipMinification = true
 
+    private val compilationCache = mutableMapOf<String, Result>()
+
+    override fun doTest(filePath: String, expectedResult: String, mainCallParameters: MainCallParameters, coroutinesPackage: String) {
+        compilationCache.clear()
+        super.doTest(filePath, expectedResult, mainCallParameters, coroutinesPackage)
+    }
+
     override fun translateFiles(
         units: List<TranslationUnit>,
         outputFile: File,
@@ -153,12 +161,19 @@ abstract class BasicIrBoxTest(
             runtimeFile.write(runtimeResult!!.generatedCode)
         }
 
+        val dependencyPaths = config.configuration[JSConfigurationKeys.LIBRARIES]!!
+        val dependencies = listOf(runtimeResult!!.moduleDescriptor) + dependencyPaths.mapNotNull { compilationCache[it]?.moduleDescriptor }
+        val irDependencies = listOf(runtimeResult!!.moduleFragment) + compilationCache.values.map { it.moduleFragment }
+
         val result = compile(
             config.project,
             filesToCompile,
             config.configuration,
             FqName((testPackage?.let { "$it." } ?: "") + testFunction),
-            listOf(runtimeResult!!))
+            dependencies,
+            irDependencies)
+
+        compilationCache[outputFile.absolutePath.let { it.substring(0, it.length - 2)} + "meta.js"] = result
 
         outputFile.write(result.generatedCode)
     }
diff --git a/js/js.translator/testData/box/coroutines/localVarOptimization.kt b/js/js.translator/testData/box/coroutines/localVarOptimization.kt
index 19babaa4423..6522a89af8e 100644
--- a/js/js.translator/testData/box/coroutines/localVarOptimization.kt
+++ b/js/js.translator/testData/box/coroutines/localVarOptimization.kt
@@ -4,7 +4,6 @@
 // PROPERTY_WRITE_COUNT: name=local$o count=2
 
 // Unmute when JS_IR supports release coroutines
-// IGNORE_BACKEND: JS_IR
 
 import kotlin.coroutines.*
 
diff --git a/js/js.translator/testData/box/coroutines/nativeExceptions.kt b/js/js.translator/testData/box/coroutines/nativeExceptions.kt
index af549c23947..5ba96338a7b 100644
--- a/js/js.translator/testData/box/coroutines/nativeExceptions.kt
+++ b/js/js.translator/testData/box/coroutines/nativeExceptions.kt
@@ -1,7 +1,6 @@
 // EXPECTED_REACHABLE_NODES: 1250
 
 // Unmute when JS_IR supports release coroutines
-// IGNORE_BACKEND: JS_IR
 
 import kotlin.coroutines.*
 import kotlin.coroutines.intrinsics.*
diff --git a/js/js.translator/testData/box/crossModuleRef/callableObjectRef.kt b/js/js.translator/testData/box/crossModuleRef/callableObjectRef.kt
index 7df88150e81..142b18883d4 100644
--- a/js/js.translator/testData/box/crossModuleRef/callableObjectRef.kt
+++ b/js/js.translator/testData/box/crossModuleRef/callableObjectRef.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1289
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/crossModuleRef/constructor.kt b/js/js.translator/testData/box/crossModuleRef/constructor.kt
index c938acf0cc3..ab7c8f9ff7c 100644
--- a/js/js.translator/testData/box/crossModuleRef/constructor.kt
+++ b/js/js.translator/testData/box/crossModuleRef/constructor.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1291
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/crossModuleRef/inheritance.kt b/js/js.translator/testData/box/crossModuleRef/inheritance.kt
index 49f85dd9beb..c9aded70847 100644
--- a/js/js.translator/testData/box/crossModuleRef/inheritance.kt
+++ b/js/js.translator/testData/box/crossModuleRef/inheritance.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1292
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/crossModuleRef/inlineModule.kt b/js/js.translator/testData/box/crossModuleRef/inlineModule.kt
index 43254c0cbf2..f7f797d8b1b 100644
--- a/js/js.translator/testData/box/crossModuleRef/inlineModule.kt
+++ b/js/js.translator/testData/box/crossModuleRef/inlineModule.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: lib1
 // FILE: lib1.kt
diff --git a/js/js.translator/testData/box/crossModuleRef/inlineModuleNonIndentifier.kt b/js/js.translator/testData/box/crossModuleRef/inlineModuleNonIndentifier.kt
index 714a1568739..9991db7fa25 100644
--- a/js/js.translator/testData/box/crossModuleRef/inlineModuleNonIndentifier.kt
+++ b/js/js.translator/testData/box/crossModuleRef/inlineModuleNonIndentifier.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: 1
 // FILE: lib1.kt
diff --git a/js/js.translator/testData/box/crossModuleRef/lambda.kt b/js/js.translator/testData/box/crossModuleRef/lambda.kt
index 9a06d5dae53..0c1e728f6cb 100644
--- a/js/js.translator/testData/box/crossModuleRef/lambda.kt
+++ b/js/js.translator/testData/box/crossModuleRef/lambda.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/crossModuleRef/object.kt b/js/js.translator/testData/box/crossModuleRef/object.kt
index b053d924433..e000a6e8171 100644
--- a/js/js.translator/testData/box/crossModuleRef/object.kt
+++ b/js/js.translator/testData/box/crossModuleRef/object.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1289
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/crossModuleRef/objectIsObject.kt b/js/js.translator/testData/box/crossModuleRef/objectIsObject.kt
index 117f5850304..14febffe96e 100644
--- a/js/js.translator/testData/box/crossModuleRef/objectIsObject.kt
+++ b/js/js.translator/testData/box/crossModuleRef/objectIsObject.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1284
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/crossModuleRef/topLevelMutableProperty.kt b/js/js.translator/testData/box/crossModuleRef/topLevelMutableProperty.kt
index e897b40bef0..98d23073665 100644
--- a/js/js.translator/testData/box/crossModuleRef/topLevelMutableProperty.kt
+++ b/js/js.translator/testData/box/crossModuleRef/topLevelMutableProperty.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1286
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/extensionProperty/externalExtensionProperty.kt b/js/js.translator/testData/box/extensionProperty/externalExtensionProperty.kt
index c21135ae0bf..175e1e0b3ab 100644
--- a/js/js.translator/testData/box/extensionProperty/externalExtensionProperty.kt
+++ b/js/js.translator/testData/box/extensionProperty/externalExtensionProperty.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1285
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inline/faultyRedundantCallElimination.kt b/js/js.translator/testData/box/inline/faultyRedundantCallElimination.kt
index 8c38f9ce01d..2ad2dc65594 100644
--- a/js/js.translator/testData/box/inline/faultyRedundantCallElimination.kt
+++ b/js/js.translator/testData/box/inline/faultyRedundantCallElimination.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1189
 
 // MODULE: lib
diff --git a/js/js.translator/testData/box/inline/inlineChainCrossModule.kt b/js/js.translator/testData/box/inline/inlineChainCrossModule.kt
index c4843b78adb..3d037e0a08a 100644
--- a/js/js.translator/testData/box/inline/inlineChainCrossModule.kt
+++ b/js/js.translator/testData/box/inline/inlineChainCrossModule.kt
@@ -1,5 +1,4 @@
 // EXPECTED_REACHABLE_NODES: 1192
-// IGNORE_BACKEND: JS_IR
 
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inline/kt26466.kt b/js/js.translator/testData/box/inline/kt26466.kt
index f4a39513ac7..e2ae91e1159 100644
--- a/js/js.translator/testData/box/inline/kt26466.kt
+++ b/js/js.translator/testData/box/inline/kt26466.kt
@@ -1,5 +1,4 @@
 // EXPECTED_REACHABLE_NODES: 1269
-// IGNORE_BACKEND: JS_IR
 
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/anotherModuleValInClosure.kt b/js/js.translator/testData/box/inlineMultiModule/anotherModuleValInClosure.kt
index e235eb0048b..eaf6caed8c6 100644
--- a/js/js.translator/testData/box/inlineMultiModule/anotherModuleValInClosure.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/anotherModuleValInClosure.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1286
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/callFunction.kt b/js/js.translator/testData/box/inlineMultiModule/callFunction.kt
index dc8650f607a..bd50b432bd7 100644
--- a/js/js.translator/testData/box/inlineMultiModule/callFunction.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/callFunction.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1285
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/callableReference.kt b/js/js.translator/testData/box/inlineMultiModule/callableReference.kt
index 685a4e9f9ba..879ff5794c1 100644
--- a/js/js.translator/testData/box/inlineMultiModule/callableReference.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/callableReference.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/calledByFqName.kt b/js/js.translator/testData/box/inlineMultiModule/calledByFqName.kt
index 14a3ff36de6..89d1352829d 100644
--- a/js/js.translator/testData/box/inlineMultiModule/calledByFqName.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/calledByFqName.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/extensionLambda.kt b/js/js.translator/testData/box/inlineMultiModule/extensionLambda.kt
index 8cf74f64a63..27e2f60e998 100644
--- a/js/js.translator/testData/box/inlineMultiModule/extensionLambda.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/extensionLambda.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1285
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/externalInlineCallDecomposed.kt b/js/js.translator/testData/box/inlineMultiModule/externalInlineCallDecomposed.kt
index 3ad6a0c0c0d..bd62d3ea7a3 100644
--- a/js/js.translator/testData/box/inlineMultiModule/externalInlineCallDecomposed.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/externalInlineCallDecomposed.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1294
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/externalInlineNewDecomposed.kt b/js/js.translator/testData/box/inlineMultiModule/externalInlineNewDecomposed.kt
index 128802ab063..926ac1d4037 100644
--- a/js/js.translator/testData/box/inlineMultiModule/externalInlineNewDecomposed.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/externalInlineNewDecomposed.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 5901
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/fakeFunctionInAnotherModule.kt b/js/js.translator/testData/box/inlineMultiModule/fakeFunctionInAnotherModule.kt
index a97abf3ae99..0aacf4d30a2 100644
--- a/js/js.translator/testData/box/inlineMultiModule/fakeFunctionInAnotherModule.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/fakeFunctionInAnotherModule.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1282
 // MODULE: lib
 // FILE: lib1.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/importObjectInstance.kt b/js/js.translator/testData/box/inlineMultiModule/importObjectInstance.kt
index a112bca06c8..ccb877d5c55 100644
--- a/js/js.translator/testData/box/inlineMultiModule/importObjectInstance.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/importObjectInstance.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1289
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/importStdLib.kt b/js/js.translator/testData/box/inlineMultiModule/importStdLib.kt
index 522277321f5..d86106823e7 100644
--- a/js/js.translator/testData/box/inlineMultiModule/importStdLib.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/importStdLib.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1229
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/inlineInInlineWithLambdaMultiModule.kt b/js/js.translator/testData/box/inlineMultiModule/inlineInInlineWithLambdaMultiModule.kt
index 2334780ac75..d994b766b5b 100644
--- a/js/js.translator/testData/box/inlineMultiModule/inlineInInlineWithLambdaMultiModule.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/inlineInInlineWithLambdaMultiModule.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1286
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/keywordAsMemberName.kt b/js/js.translator/testData/box/inlineMultiModule/keywordAsMemberName.kt
index 21ac56a175a..1472cc684fe 100644
--- a/js/js.translator/testData/box/inlineMultiModule/keywordAsMemberName.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/keywordAsMemberName.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1288
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/kt16144.kt b/js/js.translator/testData/box/inlineMultiModule/kt16144.kt
index a28c34d305d..1aaf4f973c1 100644
--- a/js/js.translator/testData/box/inlineMultiModule/kt16144.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/kt16144.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1304
 // MODULE: m3
 // FILE: m3.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/kt16160.kt b/js/js.translator/testData/box/inlineMultiModule/kt16160.kt
index 2cfbd74cdcc..18ebf172472 100644
--- a/js/js.translator/testData/box/inlineMultiModule/kt16160.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/kt16160.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1300
 // MODULE: main(module2)
 // FILE: main.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/lambda.kt b/js/js.translator/testData/box/inlineMultiModule/lambda.kt
index 76530cf8935..0980f6c8a32 100644
--- a/js/js.translator/testData/box/inlineMultiModule/lambda.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/lambda.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/lambdaWithClosure.kt b/js/js.translator/testData/box/inlineMultiModule/lambdaWithClosure.kt
index 30e4d52ef6f..8dc6caec0ce 100644
--- a/js/js.translator/testData/box/inlineMultiModule/lambdaWithClosure.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/lambdaWithClosure.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/localNameClash.kt b/js/js.translator/testData/box/inlineMultiModule/localNameClash.kt
index 73d540effe6..b4691d2edc4 100644
--- a/js/js.translator/testData/box/inlineMultiModule/localNameClash.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/localNameClash.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/localObjectLiteralWithInheritance.kt b/js/js.translator/testData/box/inlineMultiModule/localObjectLiteralWithInheritance.kt
index 9d4dc494bfa..02df10a193b 100644
--- a/js/js.translator/testData/box/inlineMultiModule/localObjectLiteralWithInheritance.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/localObjectLiteralWithInheritance.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1302
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/method.kt b/js/js.translator/testData/box/inlineMultiModule/method.kt
index 769519bcbfb..d6b9db71409 100644
--- a/js/js.translator/testData/box/inlineMultiModule/method.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/method.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1291
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/operators.kt b/js/js.translator/testData/box/inlineMultiModule/operators.kt
index 79dcc7e41ed..b8d3fa3cb64 100644
--- a/js/js.translator/testData/box/inlineMultiModule/operators.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/operators.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1284
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/parameterWithDefaultValue.kt b/js/js.translator/testData/box/inlineMultiModule/parameterWithDefaultValue.kt
index 9467c0b2096..837b1b75a66 100644
--- a/js/js.translator/testData/box/inlineMultiModule/parameterWithDefaultValue.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/parameterWithDefaultValue.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1282
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/property.kt b/js/js.translator/testData/box/inlineMultiModule/property.kt
index 560a71f45b0..c603579b640 100644
--- a/js/js.translator/testData/box/inlineMultiModule/property.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/property.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1319
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/reexportDuringInline.kt b/js/js.translator/testData/box/inlineMultiModule/reexportDuringInline.kt
index efbb56a57bd..3703ef19621 100644
--- a/js/js.translator/testData/box/inlineMultiModule/reexportDuringInline.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/reexportDuringInline.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: lib1
 // FILE: lib1.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/simple.kt b/js/js.translator/testData/box/inlineMultiModule/simple.kt
index a3682e67798..ff930596452 100644
--- a/js/js.translator/testData/box/inlineMultiModule/simple.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/simple.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/topLevelNestedInline.kt b/js/js.translator/testData/box/inlineMultiModule/topLevelNestedInline.kt
index 22821734bb3..589d1943678 100644
--- a/js/js.translator/testData/box/inlineMultiModule/topLevelNestedInline.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/topLevelNestedInline.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1281
 // MODULE: lib
 // FILE: lib1.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/typealiases.kt b/js/js.translator/testData/box/inlineMultiModule/typealiases.kt
index 9c41a4b39fb..309961517eb 100644
--- a/js/js.translator/testData/box/inlineMultiModule/typealiases.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/typealiases.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1286
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineSizeReduction/inlineImportCleanup.kt b/js/js.translator/testData/box/inlineSizeReduction/inlineImportCleanup.kt
index c794e46d7a2..3c577630d5d 100644
--- a/js/js.translator/testData/box/inlineSizeReduction/inlineImportCleanup.kt
+++ b/js/js.translator/testData/box/inlineSizeReduction/inlineImportCleanup.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1280
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineSizeReduction/multiModuleDefaultArgsCleanup.kt b/js/js.translator/testData/box/inlineSizeReduction/multiModuleDefaultArgsCleanup.kt
index b59ac1c41f9..4a3ac014af4 100644
--- a/js/js.translator/testData/box/inlineSizeReduction/multiModuleDefaultArgsCleanup.kt
+++ b/js/js.translator/testData/box/inlineSizeReduction/multiModuleDefaultArgsCleanup.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1281
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/multiModule/localClassMetadata.kt b/js/js.translator/testData/box/multiModule/localClassMetadata.kt
index 09a37428a2b..c8ffd1fbf02 100644
--- a/js/js.translator/testData/box/multiModule/localClassMetadata.kt
+++ b/js/js.translator/testData/box/multiModule/localClassMetadata.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1319
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/multiModule/moduleAndVariableNameClash.kt b/js/js.translator/testData/box/multiModule/moduleAndVariableNameClash.kt
index 750c3e1cd59..79b1f888299 100644
--- a/js/js.translator/testData/box/multiModule/moduleAndVariableNameClash.kt
+++ b/js/js.translator/testData/box/multiModule/moduleAndVariableNameClash.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: main(module1)
 // FILE: main.kt
diff --git a/js/js.translator/testData/box/multiModule/samePackageNames.kt b/js/js.translator/testData/box/multiModule/samePackageNames.kt
index 66352486a36..91aa1e4d7f2 100644
--- a/js/js.translator/testData/box/multiModule/samePackageNames.kt
+++ b/js/js.translator/testData/box/multiModule/samePackageNames.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1304
 // MODULE: lib1
 // FILE: lib1.kt
diff --git a/js/js.translator/testData/box/multiModule/useElementsFromDefaultPackageInAnotherModule.kt b/js/js.translator/testData/box/multiModule/useElementsFromDefaultPackageInAnotherModule.kt
index 4667255fe2d..2e76f458af3 100644
--- a/js/js.translator/testData/box/multiModule/useElementsFromDefaultPackageInAnotherModule.kt
+++ b/js/js.translator/testData/box/multiModule/useElementsFromDefaultPackageInAnotherModule.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1285
 // MODULE: main(module1)
 // FILE: main.kt
diff --git a/js/js.translator/testData/box/multiModuleWrappers/plain/inlineFromModuleWithNonIdentifierName.kt b/js/js.translator/testData/box/multiModuleWrappers/plain/inlineFromModuleWithNonIdentifierName.kt
index a1009e8e493..e031bc897f0 100644
--- a/js/js.translator/testData/box/multiModuleWrappers/plain/inlineFromModuleWithNonIdentifierName.kt
+++ b/js/js.translator/testData/box/multiModuleWrappers/plain/inlineFromModuleWithNonIdentifierName.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1282
 // MODULE: #my-libr@ry
 // FILE: bar.kt
diff --git a/js/js.translator/testData/box/multiModuleWrappers/plain/moduleWithNonIdentifierName.kt b/js/js.translator/testData/box/multiModuleWrappers/plain/moduleWithNonIdentifierName.kt
index 9fe41614043..9f670a28228 100644
--- a/js/js.translator/testData/box/multiModuleWrappers/plain/moduleWithNonIdentifierName.kt
+++ b/js/js.translator/testData/box/multiModuleWrappers/plain/moduleWithNonIdentifierName.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: module-1
 // FILE: bar.kt
diff --git a/js/js.translator/testData/box/multiModuleWrappers/plain/simple.kt b/js/js.translator/testData/box/multiModuleWrappers/plain/simple.kt
index 2e3557641a1..0ec3afa23f1 100644
--- a/js/js.translator/testData/box/multiModuleWrappers/plain/simple.kt
+++ b/js/js.translator/testData/box/multiModuleWrappers/plain/simple.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1283
 // MODULE: module1
 // FILE: bar.kt
diff --git a/js/js.translator/testData/box/nameClashes/localFunctionInLambda.kt b/js/js.translator/testData/box/nameClashes/localFunctionInLambda.kt
index 731347ec010..da1f8493c2f 100644
--- a/js/js.translator/testData/box/nameClashes/localFunctionInLambda.kt
+++ b/js/js.translator/testData/box/nameClashes/localFunctionInLambda.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1287
 // MODULE: lib
 // FILE: lib.kt