diff --git a/compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt b/compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt
index d448478a006..0ae6e06a907 100644
--- a/compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt
+++ b/compiler/testData/codegen/box/enum/enumEntriesNameClashes.kt
@@ -1,5 +1,5 @@
 // !LANGUAGE: +EnumEntries
-// IGNORE_BACKEND_K2: JVM_IR
+// IGNORE_BACKEND_K2: JVM_IR, JS_IR
 // IGNORE_BACKEND: JS, JVM
 // WITH_STDLIB
 
diff --git a/compiler/testData/ir/irJsText/external/kt38765.fir.ir.txt b/compiler/testData/ir/irJsText/external/kt38765.fir.ir.txt
index 35a662d173f..5829ed6966d 100644
--- a/compiler/testData/ir/irJsText/external/kt38765.fir.ir.txt
+++ b/compiler/testData/ir/irJsText/external/kt38765.fir.ir.txt
@@ -81,10 +81,6 @@ FILE fqName:events fileName:/kt38765.kt
       FUN ENUM_CLASS_SPECIAL_MEMBER name:valueOf visibility:public modality:FINAL <> (value:kotlin.String) returnType:events.internal.NestedExternalEnum
         VALUE_PARAMETER name:value index:0 type:kotlin.String
         SYNTHETIC_BODY kind=ENUM_VALUEOF
-      FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E of kotlin.Enum>) returnType:kotlin.Any [fake_override]
-        overridden:
-          protected final fun clone (): kotlin.Any declared in kotlin.Enum
-        $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<E of kotlin.Enum>
       FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E of kotlin.Enum>, other:events.internal.NestedExternalEnum) returnType:kotlin.Int [fake_override,operator]
         overridden:
           public final fun compareTo (other: E of kotlin.Enum): kotlin.Int [operator] declared in kotlin.Enum
@@ -104,8 +100,6 @@ FILE fqName:events fileName:/kt38765.kt
           public open fun toString (): kotlin.String declared in kotlin.Enum
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<E of kotlin.Enum>
       PROPERTY FAKE_OVERRIDE name:name visibility:public modality:FINAL [fake_override,val]
-        annotations:
-          IntrinsicConstEvaluation
         overridden:
           public final name: kotlin.String [val]
         FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E of kotlin.Enum>) returnType:kotlin.String [fake_override]
diff --git a/js/js.translator/testData/box/closure/closureThisAndReceiver.kt b/js/js.translator/testData/box/closure/closureThisAndReceiver.kt
index 0a0b5c90169..6833de79232 100644
--- a/js/js.translator/testData/box/closure/closureThisAndReceiver.kt
+++ b/js/js.translator/testData/box/closure/closureThisAndReceiver.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_K2: JS_IR
 // EXPECTED_REACHABLE_NODES: 1292
 package foo
 
diff --git a/js/js.translator/testData/box/export/vararg.kt b/js/js.translator/testData/box/export/vararg.kt
index d3baf298954..20906eff3ea 100644
--- a/js/js.translator/testData/box/export/vararg.kt
+++ b/js/js.translator/testData/box/export/vararg.kt
@@ -1,4 +1,5 @@
 // IGNORE_BACKEND: JS
+// IGNORE_BACKEND_K2: JS_IR
 // EXPECTED_REACHABLE_NODES: 1270
 // SKIP_MINIFICATION
 // RUN_PLAIN_BOX_FUNCTION
diff --git a/js/js.translator/testData/box/expression/evaluationOrder/assignToDotQualifiedWithSideEffect.kt b/js/js.translator/testData/box/expression/evaluationOrder/assignToDotQualifiedWithSideEffect.kt
index f809a60e8cb..6c65b5b589a 100644
--- a/js/js.translator/testData/box/expression/evaluationOrder/assignToDotQualifiedWithSideEffect.kt
+++ b/js/js.translator/testData/box/expression/evaluationOrder/assignToDotQualifiedWithSideEffect.kt
@@ -1,3 +1,5 @@
+// IGNORE_BACKEND_K2: JS_IR
+// FIR_STATUS: KT-53490
 // EXPECTED_REACHABLE_NODES: 1286
 package foo
 
diff --git a/js/js.translator/testData/box/expression/evaluationOrder/reassignmentLhsCaching.kt b/js/js.translator/testData/box/expression/evaluationOrder/reassignmentLhsCaching.kt
index 98271629ad5..cacd87b41f8 100644
--- a/js/js.translator/testData/box/expression/evaluationOrder/reassignmentLhsCaching.kt
+++ b/js/js.translator/testData/box/expression/evaluationOrder/reassignmentLhsCaching.kt
@@ -1,3 +1,5 @@
+// IGNORE_BACKEND_K2: JS_IR
+// FIR_STATUS: KT-53490
 // EXPECTED_REACHABLE_NODES: 1298
 package foo
 
diff --git a/js/js.translator/testData/box/expression/function/lambdaReturnValue.kt b/js/js.translator/testData/box/expression/function/lambdaReturnValue.kt
index 9809cce2756..7624991cdf7 100644
--- a/js/js.translator/testData/box/expression/function/lambdaReturnValue.kt
+++ b/js/js.translator/testData/box/expression/function/lambdaReturnValue.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_K2: JS_IR
 // EXPECTED_REACHABLE_NODES: 1285
 
 fun <T> rawReturnValue(fn: () -> T): Any {
diff --git a/js/js.translator/testData/box/expression/misc/KT-740-2.kt b/js/js.translator/testData/box/expression/misc/KT-740-2.kt
index cf7cf6908ec..675c73635a0 100644
--- a/js/js.translator/testData/box/expression/misc/KT-740-2.kt
+++ b/js/js.translator/testData/box/expression/misc/KT-740-2.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_K2: JS_IR
 // EXPECTED_REACHABLE_NODES: 1294
 package foo
 
diff --git a/js/js.translator/testData/box/expression/when/exhaustiveCheckException.kt b/js/js.translator/testData/box/expression/when/exhaustiveCheckException.kt
index c526957a1a6..fdefe649e17 100644
--- a/js/js.translator/testData/box/expression/when/exhaustiveCheckException.kt
+++ b/js/js.translator/testData/box/expression/when/exhaustiveCheckException.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_K2: JS_IR
 // EXPECTED_REACHABLE_NODES: 1323
 fun <T> checkThrown(x: T, block: (T) -> Any?): Unit? {
     return try {
diff --git a/js/js.translator/testData/box/inlineMultiModule/extensionLambda.kt b/js/js.translator/testData/box/inlineMultiModule/extensionLambda.kt
index d790a34f1bc..f040c160ffb 100644
--- a/js/js.translator/testData/box/inlineMultiModule/extensionLambda.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/extensionLambda.kt
@@ -1,4 +1,4 @@
-// IGNORE_FIR
+// IGNORE_BACKEND_K2: JS_IR
 // EXPECTED_REACHABLE_NODES: 1285
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/inlineMultiModule/typealiases.kt b/js/js.translator/testData/box/inlineMultiModule/typealiases.kt
index f1ed8ce8936..5fa9477b960 100644
--- a/js/js.translator/testData/box/inlineMultiModule/typealiases.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/typealiases.kt
@@ -1,4 +1,4 @@
-// IGNORE_FIR
+// IGNORE_BACKEND_K2: JS_IR
 // EXPECTED_REACHABLE_NODES: 1286
 // MODULE: lib
 // FILE: lib.kt
diff --git a/js/js.translator/testData/box/multiModule/exportFromModules.kt b/js/js.translator/testData/box/multiModule/exportFromModules.kt
index 9e518a74774..07d3759420a 100644
--- a/js/js.translator/testData/box/multiModule/exportFromModules.kt
+++ b/js/js.translator/testData/box/multiModule/exportFromModules.kt
@@ -1,8 +1,9 @@
-// IGNORE_FIR
+// IGNORE_BACKEND_K2: JS_IR
 // DONT_TARGET_EXACT_BACKEND: JS
 // KJS_WITH_FULL_RUNTIME
 
 // MODULE: ModuleA1
+// NO_COMMON_FILES
 // FILE: modulea1.kt
 package demoPackage.a1
 
@@ -12,6 +13,7 @@ data class ModuleA1Class(private val string: String = "A1") {
 }
 
 // MODULE: ModuleA2(ModuleA1)
+// NO_COMMON_FILES
 // FILE: modulea2.kt
 package demoPackage.a2
 
@@ -21,6 +23,7 @@ import demoPackage.a1.ModuleA1Class
 fun moduleA2Function() = ModuleA1Class("A2")
 
 // MODULE: ModuleB
+// NO_COMMON_FILES
 // FILE: moduleb.kt
 package demoPackage.b
 
diff --git a/js/js.translator/testData/box/native/vararg.kt b/js/js.translator/testData/box/native/vararg.kt
index fb5114a724c..eede5101dbf 100644
--- a/js/js.translator/testData/box/native/vararg.kt
+++ b/js/js.translator/testData/box/native/vararg.kt
@@ -1,4 +1,5 @@
 // IGNORE_BACKEND: WASM
+// IGNORE_BACKEND_K2: JS_IR
 // EXPECTED_REACHABLE_NODES: 1314
 package foo