diff --git a/idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/KtDeclarationAndFirDeclarationEqualityChecker.kt b/idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/low/level/api/KtDeclarationAndFirDeclarationEqualityChecker.kt
similarity index 98%
rename from idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/KtDeclarationAndFirDeclarationEqualityChecker.kt
rename to idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/low/level/api/KtDeclarationAndFirDeclarationEqualityChecker.kt
index 132e4faf5a4..63e6001c6fa 100644
--- a/idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/KtDeclarationAndFirDeclarationEqualityChecker.kt
+++ b/idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/low/level/api/KtDeclarationAndFirDeclarationEqualityChecker.kt
@@ -1,9 +1,9 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 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.idea.fir
+package org.jetbrains.kotlin.idea.fir.low.level.api
 
 import org.jetbrains.annotations.TestOnly
 import org.jetbrains.kotlin.builtins.StandardNames
diff --git a/idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/low/level/api/util/declarationUtils.kt b/idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/low/level/api/util/declarationUtils.kt
index b303e3ee003..b507b88d517 100644
--- a/idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/low/level/api/util/declarationUtils.kt
+++ b/idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/low/level/api/util/declarationUtils.kt
@@ -14,7 +14,7 @@ import org.jetbrains.kotlin.fir.resolve.providers.getClassDeclaredPropertySymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirCallableSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirFunctionSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirPropertySymbol
-import org.jetbrains.kotlin.idea.fir.KtDeclarationAndFirDeclarationEqualityChecker
+import org.jetbrains.kotlin.idea.fir.low.level.api.KtDeclarationAndFirDeclarationEqualityChecker
 import org.jetbrains.kotlin.idea.fir.low.level.api.annotations.InternalForInline
 import org.jetbrains.kotlin.idea.fir.low.level.api.api.InvalidFirElementTypeException
 import org.jetbrains.kotlin.idea.fir.low.level.api.element.builder.getNonLocalContainingOrThisDeclaration
diff --git a/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/fir/FirIdeDeserializedDeclarationSourceProvider.kt b/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/fir/FirIdeDeserializedDeclarationSourceProvider.kt
index 2797f2ba72d..063af595fef 100644
--- a/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/fir/FirIdeDeserializedDeclarationSourceProvider.kt
+++ b/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/fir/FirIdeDeserializedDeclarationSourceProvider.kt
@@ -10,6 +10,7 @@ import com.intellij.psi.PsiElement
 import com.intellij.psi.search.GlobalSearchScope
 import org.jetbrains.kotlin.fir.*
 import org.jetbrains.kotlin.fir.declarations.*
+import org.jetbrains.kotlin.idea.fir.low.level.api.KtDeclarationAndFirDeclarationEqualityChecker
 import org.jetbrains.kotlin.idea.fir.low.level.api.sessions.FirIdeSession
 import org.jetbrains.kotlin.idea.stubindex.KotlinFullClassNameIndex
 import org.jetbrains.kotlin.idea.stubindex.KotlinTopLevelFunctionFqnNameIndex
diff --git a/idea/idea-frontend-fir/tests/org/jetbrains/kotlin/idea/fir/AbstractKtDeclarationAndFirDeclarationEqualityChecker.kt b/idea/idea-frontend-fir/tests/org/jetbrains/kotlin/idea/fir/AbstractKtDeclarationAndFirDeclarationEqualityChecker.kt
index c2993d33033..1639f8e4638 100644
--- a/idea/idea-frontend-fir/tests/org/jetbrains/kotlin/idea/fir/AbstractKtDeclarationAndFirDeclarationEqualityChecker.kt
+++ b/idea/idea-frontend-fir/tests/org/jetbrains/kotlin/idea/fir/AbstractKtDeclarationAndFirDeclarationEqualityChecker.kt
@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.idea.fir
 import com.intellij.openapi.util.io.FileUtil
 import com.intellij.rt.execution.junit.FileComparisonFailure
 import org.jetbrains.kotlin.fir.declarations.FirFunction
+import org.jetbrains.kotlin.idea.fir.low.level.api.KtDeclarationAndFirDeclarationEqualityChecker
 import org.jetbrains.kotlin.idea.fir.low.level.api.api.getOrBuildFirOfType
 import org.jetbrains.kotlin.idea.fir.low.level.api.api.getResolveState
 import org.jetbrains.kotlin.idea.test.KotlinLightCodeInsightFixtureTestCase