diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/LocalDeclarationsLowering.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/LocalDeclarationsLowering.kt
index d17e4618b41..c7ba5027f9d 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/LocalDeclarationsLowering.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/LocalDeclarationsLowering.kt
@@ -53,12 +53,6 @@ interface VisibilityPolicy {
     }
 }
 
-val IrDeclaration.parentsWithSelf: Sequence<IrDeclarationParent>
-    get() = generateSequence(this as? IrDeclarationParent) { (it as? IrDeclaration)?.parent }
-
-val IrDeclaration.parents: Sequence<IrDeclarationParent>
-    get() = generateSequence(parent) { (it as? IrDeclaration)?.parent }
-
 val BOUND_VALUE_PARAMETER by IrDeclarationOriginImpl
 
 val BOUND_RECEIVER_PARAMETER by IrDeclarationOriginImpl
diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/utils/IrJsUtils.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/utils/IrJsUtils.kt
index 20a3e41589d..c6bf77649f6 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/utils/IrJsUtils.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/utils/IrJsUtils.kt
@@ -5,7 +5,7 @@
 
 package org.jetbrains.kotlin.ir.backend.js.utils
 
-import org.jetbrains.kotlin.backend.common.lower.parents
+import org.jetbrains.kotlin.ir.util.parents
 import org.jetbrains.kotlin.descriptors.DescriptorVisibilities
 import org.jetbrains.kotlin.descriptors.isClass
 import org.jetbrains.kotlin.descriptors.isInterface
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/PropertyReferenceDelegationLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/PropertyReferenceDelegationLowering.kt
index 02589b5db1d..02efd24ff39 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/PropertyReferenceDelegationLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/PropertyReferenceDelegationLowering.kt
@@ -7,7 +7,7 @@ package org.jetbrains.kotlin.backend.jvm.lower
 
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
 import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
-import org.jetbrains.kotlin.backend.common.lower.parents
+import org.jetbrains.kotlin.ir.util.parents
 import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.backend.jvm.ir.createJvmIrBuilder
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/RemoveDuplicatedInlinedLocalClassesLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/RemoveDuplicatedInlinedLocalClassesLowering.kt
index 49370464f3a..7c265afc1df 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/RemoveDuplicatedInlinedLocalClassesLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/RemoveDuplicatedInlinedLocalClassesLowering.kt
@@ -10,7 +10,7 @@ import org.jetbrains.kotlin.backend.common.ir.getDefaultAdditionalStatementsFrom
 import org.jetbrains.kotlin.backend.common.ir.getNonDefaultAdditionalStatementsFromInlinedBlock
 import org.jetbrains.kotlin.backend.common.ir.getOriginalStatementsFromInlinedBlock
 import org.jetbrains.kotlin.backend.common.lower.LocalDeclarationsLowering
-import org.jetbrains.kotlin.backend.common.lower.parents
+import org.jetbrains.kotlin.ir.util.parents
 import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
 import org.jetbrains.kotlin.backend.jvm.*
 import org.jetbrains.kotlin.ir.IrElement
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/SuspendLambdaLowering.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/SuspendLambdaLowering.kt
index f72f65cc413..bb16eec10ad 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/SuspendLambdaLowering.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/SuspendLambdaLowering.kt
@@ -10,7 +10,7 @@ import org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext
 import org.jetbrains.kotlin.backend.common.ir.moveBodyTo
 import org.jetbrains.kotlin.backend.common.lower.LocalDeclarationsLowering
 import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
-import org.jetbrains.kotlin.backend.common.lower.parents
+import org.jetbrains.kotlin.ir.util.parents
 import org.jetbrains.kotlin.backend.common.phaser.makeIrFilePhase
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.backend.jvm.JvmLoweredDeclarationOrigin
diff --git a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/indy/LambdaMetafactoryArguments.kt b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/indy/LambdaMetafactoryArguments.kt
index cd019244ade..d81a18abf83 100644
--- a/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/indy/LambdaMetafactoryArguments.kt
+++ b/compiler/ir/backend.jvm/lower/src/org/jetbrains/kotlin/backend/jvm/lower/indy/LambdaMetafactoryArguments.kt
@@ -6,7 +6,7 @@
 package org.jetbrains.kotlin.backend.jvm.lower.indy
 
 import org.jetbrains.kotlin.backend.common.lower.VariableRemapper
-import org.jetbrains.kotlin.backend.common.lower.parents
+import org.jetbrains.kotlin.ir.util.parents
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.backend.jvm.JvmLoweredDeclarationOrigin
 import org.jetbrains.kotlin.backend.jvm.ir.erasedUpperBound
diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/MemoizedMultiFieldValueClassReplacements.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/MemoizedMultiFieldValueClassReplacements.kt
index 00ce0932e7f..c916f53ce93 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/MemoizedMultiFieldValueClassReplacements.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/MemoizedMultiFieldValueClassReplacements.kt
@@ -5,7 +5,7 @@
 
 package org.jetbrains.kotlin.backend.jvm
 
-import org.jetbrains.kotlin.backend.common.lower.parents
+import org.jetbrains.kotlin.ir.util.parents
 import org.jetbrains.kotlin.backend.jvm.MemoizedMultiFieldValueClassReplacements.RemappedParameter.MultiFieldValueClassMapping
 import org.jetbrains.kotlin.backend.jvm.MemoizedMultiFieldValueClassReplacements.RemappedParameter.RegularMapping
 import org.jetbrains.kotlin.backend.jvm.ir.*
diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/mapping/MethodSignatureMapper.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/mapping/MethodSignatureMapper.kt
index 5721e68fb33..57948b13ae9 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/mapping/MethodSignatureMapper.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/mapping/MethodSignatureMapper.kt
@@ -5,7 +5,7 @@
 
 package org.jetbrains.kotlin.backend.jvm.mapping
 
-import org.jetbrains.kotlin.backend.common.lower.parentsWithSelf
+import org.jetbrains.kotlin.ir.util.parentsWithSelf
 import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
 import org.jetbrains.kotlin.backend.jvm.JvmLoweredDeclarationOrigin
 import org.jetbrains.kotlin.backend.jvm.ir.*
diff --git a/compiler/ir/ir.actualization/src/main/kotlin/org/jetbrains/kotlin/backend/common/actualizer/checker/irExpectActualCheckersUtils.kt b/compiler/ir/ir.actualization/src/main/kotlin/org/jetbrains/kotlin/backend/common/actualizer/checker/irExpectActualCheckersUtils.kt
index a48ed7f3e1d..e1043853b2d 100644
--- a/compiler/ir/ir.actualization/src/main/kotlin/org/jetbrains/kotlin/backend/common/actualizer/checker/irExpectActualCheckersUtils.kt
+++ b/compiler/ir/ir.actualization/src/main/kotlin/org/jetbrains/kotlin/backend/common/actualizer/checker/irExpectActualCheckersUtils.kt
@@ -6,7 +6,7 @@
 package org.jetbrains.kotlin.backend.common.actualizer.checker
 
 import org.jetbrains.kotlin.backend.common.actualizer.ClassActualizationInfo
-import org.jetbrains.kotlin.backend.common.lower.parents
+import org.jetbrains.kotlin.ir.util.parents
 import org.jetbrains.kotlin.ir.declarations.IrClass
 import org.jetbrains.kotlin.ir.declarations.IrDeclaration
 import org.jetbrains.kotlin.ir.symbols.IrTypeAliasSymbol
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/IrUtils.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/IrUtils.kt
index ec541c68615..099e960f33d 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/IrUtils.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/IrUtils.kt
@@ -1565,3 +1565,9 @@ private fun Any?.toIrConstOrNull(irType: IrType, startOffset: Int = SYNTHETIC_OF
 fun Any?.toIrConst(irType: IrType, startOffset: Int = SYNTHETIC_OFFSET, endOffset: Int = SYNTHETIC_OFFSET): IrConst<*> =
     toIrConstOrNull(irType, startOffset, endOffset)
         ?: throw UnsupportedOperationException("Unsupported const element type ${irType.makeNotNull().render()}")
+
+val IrDeclaration.parentsWithSelf: Sequence<IrDeclarationParent>
+    get() = generateSequence(this as? IrDeclarationParent) { (it as? IrDeclaration)?.parent }
+
+val IrDeclaration.parents: Sequence<IrDeclarationParent>
+    get() = generateSequence(parent) { (it as? IrDeclaration)?.parent }
\ No newline at end of file
diff --git a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/IrMangledNameAndSignatureDumpHandler.kt b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/IrMangledNameAndSignatureDumpHandler.kt
index a6a4e65b790..a294b579d1a 100644
--- a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/IrMangledNameAndSignatureDumpHandler.kt
+++ b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/IrMangledNameAndSignatureDumpHandler.kt
@@ -6,7 +6,7 @@
 package org.jetbrains.kotlin.test.backend.handlers
 
 import com.intellij.rt.execution.junit.FileComparisonFailure
-import org.jetbrains.kotlin.backend.common.lower.parents
+import org.jetbrains.kotlin.ir.util.parents
 import org.jetbrains.kotlin.backend.jvm.JvmSymbols
 import org.jetbrains.kotlin.backend.jvm.ir.hasPlatformDependent
 import org.jetbrains.kotlin.builtins.StandardNames
diff --git a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/KonanPartialModuleDeserializer.kt b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/KonanPartialModuleDeserializer.kt
index 7a12b727d58..c986db9bd4b 100644
--- a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/KonanPartialModuleDeserializer.kt
+++ b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/KonanPartialModuleDeserializer.kt
@@ -6,7 +6,7 @@
 package org.jetbrains.kotlin.backend.konan.serialization
 
 import org.jetbrains.kotlin.backend.common.linkage.issues.checkNoUnboundSymbols
-import org.jetbrains.kotlin.backend.common.lower.parents
+import org.jetbrains.kotlin.ir.util.parents
 import org.jetbrains.kotlin.backend.common.serialization.*
 import org.jetbrains.kotlin.backend.common.serialization.encodings.BinaryNameAndType
 import org.jetbrains.kotlin.backend.common.serialization.encodings.BinarySymbolData
diff --git a/plugins/atomicfu/atomicfu-compiler/src/org/jetbrains/kotlinx/atomicfu/compiler/backend/common/AbstractAtomicfuTransformer.kt b/plugins/atomicfu/atomicfu-compiler/src/org/jetbrains/kotlinx/atomicfu/compiler/backend/common/AbstractAtomicfuTransformer.kt
index d5ab75af436..b120e17a975 100644
--- a/plugins/atomicfu/atomicfu-compiler/src/org/jetbrains/kotlinx/atomicfu/compiler/backend/common/AbstractAtomicfuTransformer.kt
+++ b/plugins/atomicfu/atomicfu-compiler/src/org/jetbrains/kotlinx/atomicfu/compiler/backend/common/AbstractAtomicfuTransformer.kt
@@ -6,7 +6,7 @@
 package org.jetbrains.kotlinx.atomicfu.compiler.backend.common
 
 import org.jetbrains.kotlin.backend.common.extensions.IrPluginContext
-import org.jetbrains.kotlin.backend.common.lower.parents
+import org.jetbrains.kotlin.ir.util.parents
 import org.jetbrains.kotlin.descriptors.ClassKind
 import org.jetbrains.kotlin.descriptors.DescriptorVisibilities
 import org.jetbrains.kotlin.descriptors.DescriptorVisibility