diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithAllCallablesResolveTarget.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithAllCallablesResolveTarget.kt
index 02ffee6d239..190b2251102 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithAllCallablesResolveTarget.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithAllCallablesResolveTarget.kt
@@ -14,7 +14,7 @@ import org.jetbrains.kotlin.fir.declarations.FirRegularClass
 /**
  * [LLFirResolveTarget] representing a class with all callable members (functions and properties).
  */
-class LLFirClassWithAllCallablesResolveTarget(
+internal class LLFirClassWithAllCallablesResolveTarget(
     firFile: FirFile,
     containerClasses: List<FirRegularClass>,
     target: FirRegularClass,
diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithAllMembersResolveTarget.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithAllMembersResolveTarget.kt
index 383122ebf52..19289ee08a7 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithAllMembersResolveTarget.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithAllMembersResolveTarget.kt
@@ -13,7 +13,7 @@ import org.jetbrains.kotlin.fir.declarations.FirRegularClass
 /**
  * [LLFirResolveTarget] representing a class with all class members to be resolved (this includes callables, init blocks, and classifiers)
  */
-class LLFirClassWithAllMembersResolveTarget(
+internal class LLFirClassWithAllMembersResolveTarget(
     firFile: FirFile,
     containerClasses: List<FirRegularClass>,
     target: FirRegularClass,
diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithSpecificMembersResolveTarget.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithSpecificMembersResolveTarget.kt
index 810b5803631..721f2994f6d 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithSpecificMembersResolveTarget.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithSpecificMembersResolveTarget.kt
@@ -10,7 +10,7 @@ import org.jetbrains.kotlin.fir.declarations.FirDeclaration
 import org.jetbrains.kotlin.fir.declarations.FirFile
 import org.jetbrains.kotlin.fir.declarations.FirRegularClass
 
-class LLFirClassWithSpecificMembersResolveTarget(
+internal class LLFirClassWithSpecificMembersResolveTarget(
     firFile: FirFile,
     containerClasses: List<FirRegularClass>,
     target: FirRegularClass,
diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirResolveTarget.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirResolveTarget.kt
index b450667a359..1f11e4b1c04 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirResolveTarget.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirResolveTarget.kt
@@ -23,7 +23,7 @@ import org.jetbrains.kotlin.fir.declarations.FirScript
  * Specifies the path to resolve targets and resolve targets themselves.
  * Those targets are going to be resolved by [LLFirModuleLazyDeclarationResolver][org.jetbrains.kotlin.analysis.low.level.api.fir.lazy.resolve.LLFirModuleLazyDeclarationResolver].
  */
-sealed class LLFirResolveTarget(
+internal sealed class LLFirResolveTarget(
     /**
      * [FirFile] where the targets are located
      */
diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirResolveTargetVisitor.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirResolveTargetVisitor.kt
index 321174a5795..c9d2278d1ed 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirResolveTargetVisitor.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirResolveTargetVisitor.kt
@@ -15,7 +15,7 @@ import org.jetbrains.kotlin.fir.declarations.FirScript
  *
  * @see LLFirResolveTarget
  */
-interface LLFirResolveTargetVisitor {
+internal interface LLFirResolveTargetVisitor {
     /**
      * Access to [FirFile] declaration will be performed inside [action].
      */
diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirSingleResolveTarget.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirSingleResolveTarget.kt
index b13d01f6b4f..22121b0cd4b 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirSingleResolveTarget.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirSingleResolveTarget.kt
@@ -11,7 +11,7 @@ import org.jetbrains.kotlin.fir.declarations.*
 /**
  * [LLFirResolveTarget] representing single target to resolve. The [target] can be any of [FirElementWithResolveState]
  */
-class LLFirSingleResolveTarget(
+internal class LLFirSingleResolveTarget(
     firFile: FirFile,
     containerClasses: List<FirRegularClass>,
     target: FirElementWithResolveState,
diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirWholeElementResolveTarget.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirWholeElementResolveTarget.kt
index 2c9fa6d524f..10f16b4fd7b 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirWholeElementResolveTarget.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirWholeElementResolveTarget.kt
@@ -18,7 +18,7 @@ import org.jetbrains.kotlin.fir.declarations.FirScript
  * [LLFirResolveTarget] representing all declarations in [target] recursively.
  * All of them are going to be resolved.
  */
-class LLFirWholeElementResolveTarget(
+internal class LLFirWholeElementResolveTarget(
     firFile: FirFile,
     containerClasses: List<FirRegularClass>,
     target: FirElementWithResolveState,
diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/targetUtils.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/targetUtils.kt
index d55d299494c..8d3ead1dc45 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/targetUtils.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/targetUtils.kt
@@ -12,18 +12,18 @@ import org.jetbrains.kotlin.fir.FirElementWithResolveState
 import org.jetbrains.kotlin.fir.declarations.FirResolvePhase
 import org.jetbrains.kotlin.utils.exceptions.errorWithAttachment
 
-fun LLFirResolveTarget.forEachPathElementAndTarget(action: (FirElementWithResolveState) -> Unit) {
+internal fun LLFirResolveTarget.forEachPathElementAndTarget(action: (FirElementWithResolveState) -> Unit) {
     path.forEach(action)
     forEachTarget(action)
 }
 
-fun FirDesignationWithFile.asResolveTarget(): LLFirSingleResolveTarget = LLFirSingleResolveTarget(firFile, path, target)
+internal fun FirDesignationWithFile.asResolveTarget(): LLFirSingleResolveTarget = LLFirSingleResolveTarget(firFile, path, target)
 
 /**
  * Resolves the target to the specified [phase].
  * The owning session must be a resolvable one.
  */
-fun LLFirResolveTarget.resolve(phase: FirResolvePhase) {
+internal fun LLFirResolveTarget.resolve(phase: FirResolvePhase) {
     val session = firFile.llFirResolvableSession
         ?: errorWithAttachment("Resolvable session expected, got '${firFile.llFirSession::class.java}'") {
             withEntry("firSession", firFile.llFirSession) { it.toString() }