diff --git a/analysis/analysis-api-standalone/src/org/jetbrains/kotlin/analysis/project/structure/impl/KtModuleUtils.kt b/analysis/analysis-api-standalone/src/org/jetbrains/kotlin/analysis/project/structure/impl/KtModuleUtils.kt
index 527966765db..d6da6a54060 100644
--- a/analysis/analysis-api-standalone/src/org/jetbrains/kotlin/analysis/project/structure/impl/KtModuleUtils.kt
+++ b/analysis/analysis-api-standalone/src/org/jetbrains/kotlin/analysis/project/structure/impl/KtModuleUtils.kt
@@ -33,7 +33,7 @@ import org.jetbrains.kotlin.idea.KotlinFileType
 import org.jetbrains.kotlin.js.resolve.JsPlatformAnalyzerServices
 import org.jetbrains.kotlin.platform.TargetPlatform
 import org.jetbrains.kotlin.platform.isCommon
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 import org.jetbrains.kotlin.platform.jvm.JvmPlatforms
 import org.jetbrains.kotlin.platform.jvm.isJvm
 import org.jetbrains.kotlin.platform.konan.isNative
diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostics/AbstractFirIdeDiagnosticsCollector.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostics/AbstractFirIdeDiagnosticsCollector.kt
index d9621b13296..083d33ca1f1 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostics/AbstractFirIdeDiagnosticsCollector.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostics/AbstractFirIdeDiagnosticsCollector.kt
@@ -29,7 +29,7 @@ import org.jetbrains.kotlin.fir.analysis.jvm.checkers.JvmTypeCheckers
 import org.jetbrains.kotlin.fir.extensions.extensionService
 import org.jetbrains.kotlin.platform.SimplePlatform
 import org.jetbrains.kotlin.platform.jvm.JvmPlatform
-import org.jetbrains.kotlin.platform.js.JsPlatform
+import org.jetbrains.kotlin.platform.JsPlatform
 
 internal abstract class AbstractLLFirDiagnosticsCollector(
     session: FirSession,
diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/project/structure/LLFirBuiltinsSessionFactory.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/project/structure/LLFirBuiltinsSessionFactory.kt
index 78955a00816..d61b88577f8 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/project/structure/LLFirBuiltinsSessionFactory.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/project/structure/LLFirBuiltinsSessionFactory.kt
@@ -29,7 +29,7 @@ import java.util.concurrent.ConcurrentHashMap
 import org.jetbrains.kotlin.config.LanguageVersionSettingsImpl
 import org.jetbrains.kotlin.platform.TargetPlatform
 import org.jetbrains.kotlin.platform.isCommon
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 import org.jetbrains.kotlin.platform.jvm.isJvm
 import org.jetbrains.kotlin.resolve.jvm.modules.JavaModuleResolver
 import org.jetbrains.kotlin.resolve.jvm.platform.JvmPlatformAnalyzerServices
diff --git a/compiler/test-infrastructure/tests/org/jetbrains/kotlin/test/services/impl/TargetPlatformParser.kt b/compiler/test-infrastructure/tests/org/jetbrains/kotlin/test/services/impl/TargetPlatformParser.kt
index fd869e313bf..bc9bd9b677e 100644
--- a/compiler/test-infrastructure/tests/org/jetbrains/kotlin/test/services/impl/TargetPlatformParser.kt
+++ b/compiler/test-infrastructure/tests/org/jetbrains/kotlin/test/services/impl/TargetPlatformParser.kt
@@ -7,7 +7,7 @@ package org.jetbrains.kotlin.test.services.impl
 
 import org.jetbrains.kotlin.config.JvmTarget
 import org.jetbrains.kotlin.platform.TargetPlatform
-import org.jetbrains.kotlin.platform.js.JsPlatform
+import org.jetbrains.kotlin.platform.JsPlatform
 import org.jetbrains.kotlin.platform.js.JsPlatforms
 import org.jetbrains.kotlin.platform.jvm.JdkPlatform
 import org.jetbrains.kotlin.platform.konan.NativePlatform
diff --git a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/ClassicFrontendFacade.kt b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/ClassicFrontendFacade.kt
index 00d7e268b85..619213aa329 100644
--- a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/ClassicFrontendFacade.kt
+++ b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/ClassicFrontendFacade.kt
@@ -45,7 +45,7 @@ import org.jetbrains.kotlin.load.kotlin.ModuleVisibilityManager
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.native.FakeTopDownAnalyzerFacadeForNative
 import org.jetbrains.kotlin.platform.isCommon
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 import org.jetbrains.kotlin.platform.jvm.JvmPlatforms
 import org.jetbrains.kotlin.platform.jvm.isJvm
 import org.jetbrains.kotlin.platform.konan.isNative
diff --git a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/handlers/ClassicDiagnosticReporter.kt b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/handlers/ClassicDiagnosticReporter.kt
index 2cf615f2da2..8bd6958d427 100644
--- a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/handlers/ClassicDiagnosticReporter.kt
+++ b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/handlers/ClassicDiagnosticReporter.kt
@@ -11,7 +11,7 @@ import org.jetbrains.kotlin.config.JVMConfigurationKeys
 import org.jetbrains.kotlin.config.LanguageFeature
 import org.jetbrains.kotlin.diagnostics.Diagnostic
 import org.jetbrains.kotlin.platform.isCommon
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 import org.jetbrains.kotlin.platform.jvm.isJvm
 import org.jetbrains.kotlin.platform.konan.isNative
 import org.jetbrains.kotlin.test.directives.DiagnosticsDirectives
diff --git a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/fir/FirFrontendFacade.kt b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/fir/FirFrontendFacade.kt
index 79e0f2ce815..2fd05390928 100644
--- a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/fir/FirFrontendFacade.kt
+++ b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/fir/FirFrontendFacade.kt
@@ -33,7 +33,7 @@ import org.jetbrains.kotlin.library.resolver.KotlinResolvedLibrary
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.platform.TargetPlatform
 import org.jetbrains.kotlin.platform.isCommon
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 import org.jetbrains.kotlin.platform.jvm.isJvm
 import org.jetbrains.kotlin.platform.konan.isNative
 import org.jetbrains.kotlin.psi.KtFile
diff --git a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/services/CompilerConfigurationProvider.kt b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/services/CompilerConfigurationProvider.kt
index 0ce2c4af9fd..6aedd32bb5d 100644
--- a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/services/CompilerConfigurationProvider.kt
+++ b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/services/CompilerConfigurationProvider.kt
@@ -26,7 +26,7 @@ import org.jetbrains.kotlin.ir.util.IrMessageLogger
 import org.jetbrains.kotlin.js.config.JSConfigurationKeys
 import org.jetbrains.kotlin.platform.TargetPlatform
 import org.jetbrains.kotlin.platform.isCommon
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 import org.jetbrains.kotlin.platform.jvm.isJvm
 import org.jetbrains.kotlin.platform.konan.isNative
 import org.jetbrains.kotlin.psi.KtFile
diff --git a/core/compiler.common/src/org/jetbrains/kotlin/platform/JsPlatform.kt b/core/compiler.common/src/org/jetbrains/kotlin/platform/JsPlatform.kt
new file mode 100644
index 00000000000..37f8d997837
--- /dev/null
+++ b/core/compiler.common/src/org/jetbrains/kotlin/platform/JsPlatform.kt
@@ -0,0 +1,15 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.platform
+
+abstract class JsPlatform : SimplePlatform("JS") {
+    override val oldFashionedDescription: String
+        get() = "JavaScript "
+}
+
+// TODO: temporarily conservative implementation; use the same approach as for TargetPlatform?.isNative()
+//  when JsPlatform will become parameterized with "JS target"
+fun TargetPlatform?.isJs(): Boolean = this?.singleOrNull() is JsPlatform
\ No newline at end of file
diff --git a/jps/jps-common/src/org/jetbrains/kotlin/config/facetSerialization.kt b/jps/jps-common/src/org/jetbrains/kotlin/config/facetSerialization.kt
index a78120ea6d1..fbd7641d426 100644
--- a/jps/jps-common/src/org/jetbrains/kotlin/config/facetSerialization.kt
+++ b/jps/jps-common/src/org/jetbrains/kotlin/config/facetSerialization.kt
@@ -20,7 +20,7 @@ import org.jetbrains.kotlin.load.java.JvmAbi
 import org.jetbrains.kotlin.platform.*
 import org.jetbrains.kotlin.platform.impl.FakeK2NativeCompilerArguments
 import org.jetbrains.kotlin.platform.impl.JvmIdePlatformKind
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 import org.jetbrains.kotlin.platform.jvm.JdkPlatform
 import org.jetbrains.kotlin.platform.jvm.JvmPlatforms
 import org.jetbrains.kotlin.platform.jvm.isJvm
diff --git a/jps/jps-common/src/org/jetbrains/kotlin/platform/compat/compatConversions.kt b/jps/jps-common/src/org/jetbrains/kotlin/platform/compat/compatConversions.kt
index 2b8d7d2ea87..46a044c17bb 100644
--- a/jps/jps-common/src/org/jetbrains/kotlin/platform/compat/compatConversions.kt
+++ b/jps/jps-common/src/org/jetbrains/kotlin/platform/compat/compatConversions.kt
@@ -14,7 +14,7 @@ import org.jetbrains.kotlin.platform.impl.CommonIdePlatformKind
 import org.jetbrains.kotlin.platform.impl.JsIdePlatformKind
 import org.jetbrains.kotlin.platform.impl.JvmIdePlatformKind
 import org.jetbrains.kotlin.platform.impl.NativeIdePlatformKind
-import org.jetbrains.kotlin.platform.js.JsPlatform
+import org.jetbrains.kotlin.platform.JsPlatform
 import org.jetbrains.kotlin.platform.js.JsPlatforms
 import org.jetbrains.kotlin.platform.jvm.JdkPlatform
 import org.jetbrains.kotlin.platform.jvm.JvmPlatform
diff --git a/jps/jps-common/src/org/jetbrains/kotlin/platform/impl/JsIdePlatformKind.kt b/jps/jps-common/src/org/jetbrains/kotlin/platform/impl/JsIdePlatformKind.kt
index ad27c43abc8..0d99cbbe44c 100644
--- a/jps/jps-common/src/org/jetbrains/kotlin/platform/impl/JsIdePlatformKind.kt
+++ b/jps/jps-common/src/org/jetbrains/kotlin/platform/impl/JsIdePlatformKind.kt
@@ -15,7 +15,7 @@ import org.jetbrains.kotlin.platform.IdePlatformKind
 import org.jetbrains.kotlin.platform.TargetPlatform
 import org.jetbrains.kotlin.platform.TargetPlatformVersion
 import org.jetbrains.kotlin.platform.js.JsPlatforms
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 
 object JsIdePlatformKind : IdePlatformKind() {
     override fun supportsTargetPlatform(platform: TargetPlatform): Boolean = platform.isJs()
diff --git a/js/js.config/src/org/jetbrains/kotlin/platform/js/JsPlatform.kt b/js/js.config/src/org/jetbrains/kotlin/platform/js/JsPlatform.kt
index f0c1c963375..221a7c4a74e 100644
--- a/js/js.config/src/org/jetbrains/kotlin/platform/js/JsPlatform.kt
+++ b/js/js.config/src/org/jetbrains/kotlin/platform/js/JsPlatform.kt
@@ -5,14 +5,9 @@
 
 package org.jetbrains.kotlin.platform.js
 
-import org.jetbrains.kotlin.platform.SimplePlatform
+import org.jetbrains.kotlin.platform.JsPlatform
 import org.jetbrains.kotlin.platform.TargetPlatform
 
-abstract class JsPlatform : SimplePlatform("JS") {
-    override val oldFashionedDescription: String
-        get() = "JavaScript "
-}
-
 @Suppress("DEPRECATION_ERROR")
 object JsPlatforms {
     object DefaultSimpleJsPlatform : JsPlatform()
@@ -33,7 +28,3 @@ object JsPlatforms {
 
     val allJsPlatforms: List<TargetPlatform> = listOf(defaultJsPlatform)
 }
-
-// TODO: temporarily conservative implementation; use the same approach as for TargetPlatform?.isNative()
-//  when JsPlatform will become parameterized with "JS target"
-fun TargetPlatform?.isJs(): Boolean = this?.singleOrNull() is JsPlatform
diff --git a/plugins/atomicfu/atomicfu-compiler/src/org/jetbrains/kotlinx/atomicfu/compiler/backend/js/AtomicfuJsIrTransformer.kt b/plugins/atomicfu/atomicfu-compiler/src/org/jetbrains/kotlinx/atomicfu/compiler/backend/js/AtomicfuJsIrTransformer.kt
index 9620caa1edc..bce499ade31 100644
--- a/plugins/atomicfu/atomicfu-compiler/src/org/jetbrains/kotlinx/atomicfu/compiler/backend/js/AtomicfuJsIrTransformer.kt
+++ b/plugins/atomicfu/atomicfu-compiler/src/org/jetbrains/kotlinx/atomicfu/compiler/backend/js/AtomicfuJsIrTransformer.kt
@@ -18,7 +18,7 @@ import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
 import org.jetbrains.kotlin.ir.expressions.IrTypeOperator.*
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformer
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 import org.jetbrains.kotlinx.atomicfu.compiler.backend.*
 import org.jetbrains.kotlinx.atomicfu.compiler.backend.buildCall
 import org.jetbrains.kotlinx.atomicfu.compiler.backend.buildGetterType
diff --git a/plugins/atomicfu/atomicfu-compiler/src/org/jetbrains/kotlinx/atomicfu/compiler/extensions/AtomicfuLoweringExtension.kt b/plugins/atomicfu/atomicfu-compiler/src/org/jetbrains/kotlinx/atomicfu/compiler/extensions/AtomicfuLoweringExtension.kt
index 4383d3371be..cdb0a158b56 100644
--- a/plugins/atomicfu/atomicfu-compiler/src/org/jetbrains/kotlinx/atomicfu/compiler/extensions/AtomicfuLoweringExtension.kt
+++ b/plugins/atomicfu/atomicfu-compiler/src/org/jetbrains/kotlinx/atomicfu/compiler/extensions/AtomicfuLoweringExtension.kt
@@ -8,7 +8,6 @@ package org.jetbrains.kotlinx.atomicfu.compiler.extensions
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
 import org.jetbrains.kotlin.backend.common.extensions.IrPluginContext
 import org.jetbrains.kotlin.backend.common.extensions.IrGenerationExtension
-import org.jetbrains.kotlin.backend.common.lower
 import org.jetbrains.kotlin.backend.common.runOnFilePostfix
 import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.declarations.*
@@ -16,7 +15,7 @@ import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
 import org.jetbrains.kotlin.ir.visitors.IrElementVisitorVoid
 import org.jetbrains.kotlin.ir.visitors.acceptChildrenVoid
 import org.jetbrains.kotlin.ir.visitors.acceptVoid
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 import org.jetbrains.kotlin.platform.jvm.isJvm
 import org.jetbrains.kotlinx.atomicfu.compiler.backend.jvm.AtomicSymbols
 import org.jetbrains.kotlinx.atomicfu.compiler.backend.js.AtomicfuJsIrTransformer
diff --git a/plugins/kotlinx-serialization/kotlinx-serialization.backend/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/IrPredicates.kt b/plugins/kotlinx-serialization/kotlinx-serialization.backend/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/IrPredicates.kt
index f70b9637bb8..1f3d8f14524 100644
--- a/plugins/kotlinx-serialization/kotlinx-serialization.backend/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/IrPredicates.kt
+++ b/plugins/kotlinx-serialization/kotlinx-serialization.backend/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/IrPredicates.kt
@@ -24,7 +24,7 @@ import org.jetbrains.kotlin.ir.symbols.IrTypeParameterSymbol
 import org.jetbrains.kotlin.ir.types.*
 import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 import org.jetbrains.kotlin.platform.konan.isNative
 import org.jetbrains.kotlinx.serialization.compiler.extensions.SerializationPluginContext
 import org.jetbrains.kotlinx.serialization.compiler.fir.SerializationPluginKey
diff --git a/plugins/kotlinx-serialization/kotlinx-serialization.k1/src/org/jetbrains/kotlinx/serialization/compiler/resolve/KSerializationUtil.kt b/plugins/kotlinx-serialization/kotlinx-serialization.k1/src/org/jetbrains/kotlinx/serialization/compiler/resolve/KSerializationUtil.kt
index e645c0339f8..c4c6f59b690 100644
--- a/plugins/kotlinx-serialization/kotlinx-serialization.k1/src/org/jetbrains/kotlinx/serialization/compiler/resolve/KSerializationUtil.kt
+++ b/plugins/kotlinx-serialization/kotlinx-serialization.k1/src/org/jetbrains/kotlinx/serialization/compiler/resolve/KSerializationUtil.kt
@@ -12,7 +12,7 @@ import org.jetbrains.kotlin.descriptors.annotations.AnnotationDescriptor
 import org.jetbrains.kotlin.descriptors.annotations.Annotations
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.FqName
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 import org.jetbrains.kotlin.platform.konan.isNative
 import org.jetbrains.kotlin.psi.KtAnnotationEntry
 import org.jetbrains.kotlin.resolve.descriptorUtil.annotationClass
diff --git a/plugins/kotlinx-serialization/kotlinx-serialization.k2/src/org/jetbrains/kotlinx/serialization/compiler/fir/SerializationFirResolveExtension.kt b/plugins/kotlinx-serialization/kotlinx-serialization.k2/src/org/jetbrains/kotlinx/serialization/compiler/fir/SerializationFirResolveExtension.kt
index 7fe81d4bef5..70fcbc3cf3b 100644
--- a/plugins/kotlinx-serialization/kotlinx-serialization.k2/src/org/jetbrains/kotlinx/serialization/compiler/fir/SerializationFirResolveExtension.kt
+++ b/plugins/kotlinx-serialization/kotlinx-serialization.k2/src/org/jetbrains/kotlinx/serialization/compiler/fir/SerializationFirResolveExtension.kt
@@ -34,7 +34,7 @@ import org.jetbrains.kotlin.name.CallableId
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.name.SpecialNames
-import org.jetbrains.kotlin.platform.js.isJs
+import org.jetbrains.kotlin.platform.isJs
 import org.jetbrains.kotlin.platform.konan.isNative
 import org.jetbrains.kotlinx.serialization.compiler.resolve.SerialEntityNames
 import org.jetbrains.kotlinx.serialization.compiler.resolve.SerialEntityNames.SERIALIZER_FACTORY_INTERFACE_NAME