diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/CallableReferenceLowering.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/CallableReferenceLowering.kt
index 93e0d5a9659..e099fa69e00 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/CallableReferenceLowering.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/CallableReferenceLowering.kt
@@ -257,12 +257,12 @@ class CallableReferenceLowering(val context: JsIrBackendContext) : FileLoweringP
             val cacheName = "${getterFunction.name}_${Namer.KCALLABLE_CACHE_SUFFIX}"
             val cacheVarSymbol =
                 JsSymbolBuilder.buildVar(getterFunction.descriptor.containingDeclaration, getterFunction.returnType, cacheName, true)
-            val irCacheNull = JsIrBuilder.buildNull(cacheVarSymbol.descriptor.type)
-            val irCacheDeclaration = JsIrBuilder.buildVar(cacheVarSymbol, irCacheNull)
+            val irNull = JsIrBuilder.buildNull(cacheVarSymbol.descriptor.type)
+            val irCacheDeclaration = JsIrBuilder.buildVar(cacheVarSymbol)
             val irCacheValue = JsIrBuilder.buildGetValue(cacheVarSymbol)
-            val irIfCondition = JsIrBuilder.buildCall(context.irBuiltIns.eqeqeqSymbol).apply {
+            val irIfCondition = JsIrBuilder.buildCall(context.irBuiltIns.eqeqSymbol).apply {
                 putValueArgument(0, irCacheValue)
-                putValueArgument(1, irCacheNull)
+                putValueArgument(1, irNull)
             }
             val irSetCache = JsIrBuilder.buildSetVariable(cacheVarSymbol, JsIrBuilder.buildGetValue(varSymbol))
             val thenStatements = mutableListOf<IrStatement>().apply {
diff --git a/compiler/testData/codegen/box/delegatedProperty/twoPropByOneDelegete.kt b/compiler/testData/codegen/box/delegatedProperty/twoPropByOneDelegete.kt
index be9a25b5be8..d73aadaf604 100644
--- a/compiler/testData/codegen/box/delegatedProperty/twoPropByOneDelegete.kt
+++ b/compiler/testData/codegen/box/delegatedProperty/twoPropByOneDelegete.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 import kotlin.reflect.KProperty
 
 class Delegate<T>(val f: (T) -> Int) {
diff --git a/compiler/testData/codegen/box/extensionFunctions/kt4228.kt b/compiler/testData/codegen/box/extensionFunctions/kt4228.kt
index be18ea57f32..9906d20305f 100644
--- a/compiler/testData/codegen/box/extensionFunctions/kt4228.kt
+++ b/compiler/testData/codegen/box/extensionFunctions/kt4228.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 class A {
     companion object
 }
diff --git a/compiler/testData/codegen/box/localClasses/kt2700.kt b/compiler/testData/codegen/box/localClasses/kt2700.kt
index e1b7b0e6794..3baacf0b21f 100644
--- a/compiler/testData/codegen/box/localClasses/kt2700.kt
+++ b/compiler/testData/codegen/box/localClasses/kt2700.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 package a.b
 
 interface Test {
diff --git a/compiler/testData/codegen/box/typealias/simple.kt b/compiler/testData/codegen/box/typealias/simple.kt
index 9ea176e9845..a5cd67b9ad7 100644
--- a/compiler/testData/codegen/box/typealias/simple.kt
+++ b/compiler/testData/codegen/box/typealias/simple.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 typealias S = String
 
 typealias SF<T> = (T) -> S
diff --git a/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/checkStaticLambdaClassIsPresent.kt b/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/checkStaticLambdaClassIsPresent.kt
index bdc2618ea4f..74769db72a7 100644
--- a/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/checkStaticLambdaClassIsPresent.kt
+++ b/compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/checkStaticLambdaClassIsPresent.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // NO_CHECK_LAMBDA_INLINING
 // FILE: 1.kt
 package test
diff --git a/js/js.translator/testData/box/closure/closureLocalLiteralFunction.kt b/js/js.translator/testData/box/closure/closureLocalLiteralFunction.kt
index 1ce6f65fb78..59d168d9e70 100644
--- a/js/js.translator/testData/box/closure/closureLocalLiteralFunction.kt
+++ b/js/js.translator/testData/box/closure/closureLocalLiteralFunction.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1114
 package foo
 
diff --git a/js/js.translator/testData/box/expression/misc/extensionLiteralCreatedAtPackageLevel.kt b/js/js.translator/testData/box/expression/misc/extensionLiteralCreatedAtPackageLevel.kt
index 04dd4f88fb5..6400b6b0131 100644
--- a/js/js.translator/testData/box/expression/misc/extensionLiteralCreatedAtPackageLevel.kt
+++ b/js/js.translator/testData/box/expression/misc/extensionLiteralCreatedAtPackageLevel.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1116
 package foo
 
diff --git a/js/js.translator/testData/box/expression/misc/packagePropertyCalledAsFun.kt b/js/js.translator/testData/box/expression/misc/packagePropertyCalledAsFun.kt
index 282cd116516..56ef691ac7c 100644
--- a/js/js.translator/testData/box/expression/misc/packagePropertyCalledAsFun.kt
+++ b/js/js.translator/testData/box/expression/misc/packagePropertyCalledAsFun.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1111
 package foo
 
diff --git a/js/js.translator/testData/box/inline/rootConstructor.kt b/js/js.translator/testData/box/inline/rootConstructor.kt
index b0d1dbaaeb7..3746fe3fa61 100644
--- a/js/js.translator/testData/box/inline/rootConstructor.kt
+++ b/js/js.translator/testData/box/inline/rootConstructor.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // EXPECTED_REACHABLE_NODES: 1112
 /*
  * Copy of JVM-backend test