diff --git a/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/scopes/KtFirBasedScope.kt b/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/scopes/KtFirBasedScope.kt
index cb8f615a44d..12c39d58312 100644
--- a/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/scopes/KtFirBasedScope.kt
+++ b/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/scopes/KtFirBasedScope.kt
@@ -18,7 +18,7 @@ import org.jetbrains.kotlin.fir.scopes.FirScope
 import org.jetbrains.kotlin.name.Name
 
 internal abstract class KtFirBasedScope<S : FirScope>(
-    protected val firScope: S,
+    internal val firScope: S,
     protected val builder: KtSymbolByFirBuilder,
 ) : KtScope {
     final override val token: KtLifetimeToken get() = builder.token
diff --git a/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/scopes/KtFirNonStarImportingScope.kt b/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/scopes/KtFirNonStarImportingScope.kt
index 0a97d080bb6..d459574178c 100644
--- a/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/scopes/KtFirNonStarImportingScope.kt
+++ b/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/scopes/KtFirNonStarImportingScope.kt
@@ -7,12 +7,8 @@ package org.jetbrains.kotlin.analysis.api.fir.scopes
 
 import org.jetbrains.kotlin.analysis.api.fir.KtSymbolByFirBuilder
 import org.jetbrains.kotlin.analysis.api.fir.utils.cached
-import org.jetbrains.kotlin.analysis.api.lifetime.KtLifetimeToken
 import org.jetbrains.kotlin.analysis.api.lifetime.withValidityAssertion
-import org.jetbrains.kotlin.analysis.api.scopes.KtScope
 import org.jetbrains.kotlin.analysis.api.scopes.KtScopeNameFilter
-import org.jetbrains.kotlin.analysis.api.symbols.KtCallableSymbol
-import org.jetbrains.kotlin.analysis.api.symbols.KtClassifierSymbol
 import org.jetbrains.kotlin.analysis.api.symbols.KtConstructorSymbol
 import org.jetbrains.kotlin.analysis.api.symbols.KtPackageSymbol
 import org.jetbrains.kotlin.fir.resolve.providers.symbolProvider
@@ -21,10 +17,9 @@ import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.Name
 
 internal class KtFirNonStarImportingScope(
-    private val firScope: FirAbstractSimpleImportingScope,
-    private val builder: KtSymbolByFirBuilder,
-) : KtScope {
-    override val token: KtLifetimeToken get() = builder.token
+    firScope: FirAbstractSimpleImportingScope,
+    builder: KtSymbolByFirBuilder,
+) : KtFirBasedScope<FirAbstractSimpleImportingScope>(firScope, builder) {
 
     private val imports: List<NonStarImport> by cached {
         buildList {
@@ -47,22 +42,6 @@ internal class KtFirNonStarImportingScope(
         }
     }
 
-    override fun getCallableSymbols(nameFilter: KtScopeNameFilter): Sequence<KtCallableSymbol> = withValidityAssertion {
-        firScope.getCallableSymbols(getPossibleCallableNames().filter(nameFilter), builder)
-    }
-
-    override fun getCallableSymbols(names: Collection<Name>): Sequence<KtCallableSymbol> = withValidityAssertion {
-        firScope.getCallableSymbols(names, builder)
-    }
-
-    override fun getClassifierSymbols(nameFilter: KtScopeNameFilter): Sequence<KtClassifierSymbol> = withValidityAssertion {
-        firScope.getClassifierSymbols(getPossibleClassifierNames().filter(nameFilter), builder)
-    }
-
-    override fun getClassifierSymbols(names: Collection<Name>): Sequence<KtClassifierSymbol> = withValidityAssertion {
-        firScope.getClassifierSymbols(names, builder)
-    }
-
     override fun getPackageSymbols(nameFilter: KtScopeNameFilter): Sequence<KtPackageSymbol> = withValidityAssertion {
         emptySequence()
     }
diff --git a/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/scopes/KtFirStarImportingScope.kt b/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/scopes/KtFirStarImportingScope.kt
index 75b46d3d9bc..c3a9f122f39 100644
--- a/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/scopes/KtFirStarImportingScope.kt
+++ b/analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/scopes/KtFirStarImportingScope.kt
@@ -7,12 +7,8 @@ package org.jetbrains.kotlin.analysis.api.fir.scopes
 
 import org.jetbrains.kotlin.analysis.api.fir.KtSymbolByFirBuilder
 import org.jetbrains.kotlin.analysis.api.fir.utils.cached
-import org.jetbrains.kotlin.analysis.api.lifetime.KtLifetimeToken
 import org.jetbrains.kotlin.analysis.api.lifetime.withValidityAssertion
-import org.jetbrains.kotlin.analysis.api.scopes.KtScope
 import org.jetbrains.kotlin.analysis.api.scopes.KtScopeNameFilter
-import org.jetbrains.kotlin.analysis.api.symbols.KtCallableSymbol
-import org.jetbrains.kotlin.analysis.api.symbols.KtClassifierSymbol
 import org.jetbrains.kotlin.analysis.api.symbols.KtConstructorSymbol
 import org.jetbrains.kotlin.analysis.api.symbols.KtPackageSymbol
 import org.jetbrains.kotlin.analysis.providers.KotlinDeclarationProvider
@@ -20,11 +16,10 @@ import org.jetbrains.kotlin.fir.scopes.impl.FirAbstractStarImportingScope
 import org.jetbrains.kotlin.name.Name
 
 internal class KtFirStarImportingScope(
-    private val firScope: FirAbstractStarImportingScope,
-    private val builder: KtSymbolByFirBuilder,
+    firScope: FirAbstractStarImportingScope,
+    builder: KtSymbolByFirBuilder,
     private val declarationProvider: KotlinDeclarationProvider,
-) : KtScope {
-    override val token: KtLifetimeToken get() = builder.token
+) : KtFirBasedScope<FirAbstractStarImportingScope>(firScope, builder) {
 
     private val imports: List<StarImport> by cached {
         firScope.starImports.map { import ->
@@ -36,22 +31,6 @@ internal class KtFirStarImportingScope(
         }
     }
 
-    override fun getCallableSymbols(nameFilter: KtScopeNameFilter): Sequence<KtCallableSymbol> = withValidityAssertion {
-        firScope.getCallableSymbols(getPossibleCallableNames().filter(nameFilter), builder)
-    }
-
-    override fun getCallableSymbols(names: Collection<Name>): Sequence<KtCallableSymbol> = withValidityAssertion {
-        firScope.getCallableSymbols(names, builder)
-    }
-
-    override fun getClassifierSymbols(nameFilter: KtScopeNameFilter): Sequence<KtClassifierSymbol> = withValidityAssertion {
-        firScope.getClassifierSymbols(getPossibleClassifierNames().filter(nameFilter), builder)
-    }
-
-    override fun getClassifierSymbols(names: Collection<Name>): Sequence<KtClassifierSymbol> = withValidityAssertion {
-        firScope.getClassifierSymbols(names, builder)
-    }
-
     override fun getConstructors(): Sequence<KtConstructorSymbol> = withValidityAssertion { emptySequence() }
 
     // todo cache?
@@ -66,12 +45,10 @@ internal class KtFirStarImportingScope(
         }
     }
 
-
     override fun getPackageSymbols(nameFilter: KtScopeNameFilter): Sequence<KtPackageSymbol> = withValidityAssertion {
         emptySequence()
     }
 
-
     override fun getPossibleClassifierNames(): Set<Name> = withValidityAssertion {
         imports.flatMapTo(hashSetOf()) { import ->
             if (import.relativeClassName == null) {
@@ -82,5 +59,4 @@ internal class KtFirStarImportingScope(
             }
         }
     }
-
 }