diff --git a/compiler/ir/ir.actualization/build.gradle.kts b/compiler/ir/ir.actualization/build.gradle.kts
index 38d487d3059..4c57cd85080 100644
--- a/compiler/ir/ir.actualization/build.gradle.kts
+++ b/compiler/ir/ir.actualization/build.gradle.kts
@@ -4,10 +4,11 @@ plugins {
 }
 
 dependencies {
-    api(project(":compiler:util"))
-    api(project(":compiler:backend-common"))
+    implementation(project(":compiler:util"))
     api(project(":compiler:ir.tree"))
-    api(project(":compiler:ir.backend.common"))
+    api(project(":core:compiler.common"))
+    implementation(project(":compiler:resolution.common"))
+    implementation(project(":compiler:frontend"))
     compileOnly(intellijCore())
 }
 
diff --git a/compiler/ir/ir.actualization/src/main/kotlin/org/jetbrains/kotlin/backend/common/actualizer/IrActualizationErrors.kt b/compiler/ir/ir.actualization/src/main/kotlin/org/jetbrains/kotlin/backend/common/actualizer/IrActualizationErrors.kt
index 7cfd940e4c1..f3e11ac29fe 100644
--- a/compiler/ir/ir.actualization/src/main/kotlin/org/jetbrains/kotlin/backend/common/actualizer/IrActualizationErrors.kt
+++ b/compiler/ir/ir.actualization/src/main/kotlin/org/jetbrains/kotlin/backend/common/actualizer/IrActualizationErrors.kt
@@ -18,7 +18,7 @@ import org.jetbrains.kotlin.resolve.multiplatform.ExpectActualAnnotationsIncompa
 import org.jetbrains.kotlin.resolve.multiplatform.ExpectActualCheckingCompatibility
 import org.jetbrains.kotlin.resolve.multiplatform.ExpectActualMatchingCompatibility
 
-object IrActualizationErrors {
+internal object IrActualizationErrors {
     val NO_ACTUAL_FOR_EXPECT by error2<PsiElement, String, ModuleDescriptor>()
     val EXPECT_ACTUAL_MISMATCH by error3<PsiElement, String, String, ExpectActualMatchingCompatibility.Mismatch>()
     val EXPECT_ACTUAL_INCOMPATIBILITY by error3<PsiElement, String, String, ExpectActualCheckingCompatibility.Incompatible<*>>()
@@ -30,7 +30,7 @@ object IrActualizationErrors {
     }
 }
 
-object KtDefaultIrActualizationErrorMessages : BaseDiagnosticRendererFactory() {
+internal object KtDefaultIrActualizationErrorMessages : BaseDiagnosticRendererFactory() {
     override val MAP = KtDiagnosticFactoryToRendererMap("KT").also { map ->
         map.put(
             IrActualizationErrors.NO_ACTUAL_FOR_EXPECT,
@@ -69,7 +69,7 @@ object KtDefaultIrActualizationErrorMessages : BaseDiagnosticRendererFactory() {
     }
 }
 
-object IrActualizationDiagnosticRenderers {
+internal object IrActualizationDiagnosticRenderers {
     val MISMATCH = Renderer<ExpectActualMatchingCompatibility.Mismatch> {
         it.reason ?: "<unknown>"
     }