diff --git a/compiler/testData/codegen/box/secondaryConstructors/accessToCompanion.kt b/compiler/testData/codegen/box/secondaryConstructors/accessToCompanion.kt
index 430d61430fc..639fcf57ace 100644
--- a/compiler/testData/codegen/box/secondaryConstructors/accessToCompanion.kt
+++ b/compiler/testData/codegen/box/secondaryConstructors/accessToCompanion.kt
@@ -1,4 +1,4 @@
-class A(val result: Int) {
+internal class A(val result: Int) {
     companion object {
         fun foo(): Int = 1
         val prop = 2
diff --git a/compiler/testData/codegen/box/secondaryConstructors/basicNoPrimaryOneSink.kt b/compiler/testData/codegen/box/secondaryConstructors/basicNoPrimaryOneSink.kt
index 77a553ff7c3..23f796276c0 100644
--- a/compiler/testData/codegen/box/secondaryConstructors/basicNoPrimaryOneSink.kt
+++ b/compiler/testData/codegen/box/secondaryConstructors/basicNoPrimaryOneSink.kt
@@ -1,6 +1,6 @@
-var sideEffects: String = ""
+internal var sideEffects: String = ""
 
-class A {
+internal class A {
     var prop: String = ""
     init {
         sideEffects += prop + "first"
diff --git a/compiler/testData/codegen/box/secondaryConstructors/dataClasses.kt b/compiler/testData/codegen/box/secondaryConstructors/dataClasses.kt
index 36db3835ec7..01027d52204 100644
--- a/compiler/testData/codegen/box/secondaryConstructors/dataClasses.kt
+++ b/compiler/testData/codegen/box/secondaryConstructors/dataClasses.kt
@@ -1,4 +1,4 @@
-data class A1(val prop1: String) {
+internal data class A1(val prop1: String) {
     val prop2: String = "const2"
     var prop3: String = ""
 
@@ -12,7 +12,7 @@ data class A1(val prop1: String) {
     fun f(): String = "$prop1#$prop2#$prop3"
 }
 
-data class A2 private constructor() {
+internal data class A2 private constructor() {
     var prop1: String = ""
     var prop2: String = "const2"
     var prop3: String = ""
diff --git a/compiler/testData/codegen/box/secondaryConstructors/delegationWithPrimary.kt b/compiler/testData/codegen/box/secondaryConstructors/delegationWithPrimary.kt
index 16f433527f9..7e14b4f02d5 100644
--- a/compiler/testData/codegen/box/secondaryConstructors/delegationWithPrimary.kt
+++ b/compiler/testData/codegen/box/secondaryConstructors/delegationWithPrimary.kt
@@ -1,14 +1,14 @@
-interface A {
+internal interface A {
     fun foo(): String
 }
 
-class B : A {
+internal class B : A {
     override fun foo() = "OK"
 }
 
 val global = B()
 
-class C(x: Int) : A by global {
+internal class C(x: Int) : A by global {
     constructor(): this(1)
 }
 
diff --git a/compiler/testData/codegen/box/secondaryConstructors/generics.kt b/compiler/testData/codegen/box/secondaryConstructors/generics.kt
index 4388a9bceed..a025954f6dd 100644
--- a/compiler/testData/codegen/box/secondaryConstructors/generics.kt
+++ b/compiler/testData/codegen/box/secondaryConstructors/generics.kt
@@ -1,9 +1,9 @@
-open class B<T>(val x: T, val y: T) {
+internal open class B<T>(val x: T, val y: T) {
     constructor(x: T): this(x, x)
     override fun toString() = "$x#$y"
 }
 
-class A : B<String> {
+internal class A : B<String> {
     constructor(): super("default")
     constructor(x: String): super(x, "default")
 }
diff --git a/compiler/testData/codegen/box/secondaryConstructors/superCallSecondary.kt b/compiler/testData/codegen/box/secondaryConstructors/superCallSecondary.kt
index 6dd64d5a921..e5d0064aa01 100644
--- a/compiler/testData/codegen/box/secondaryConstructors/superCallSecondary.kt
+++ b/compiler/testData/codegen/box/secondaryConstructors/superCallSecondary.kt
@@ -1,6 +1,6 @@
 var sideEffects: String = ""
 
-abstract class B {
+internal abstract class B {
     val parentProp: String
     init {
         sideEffects += "minus-one#"
@@ -18,7 +18,7 @@ abstract class B {
     }
 }
 
-class A : B {
+internal class A : B {
     var prop: String = ""
     init {
         sideEffects += prop + "first"