diff --git a/core/builtins/src/kotlin/internal/progressionUtil.kt b/core/builtins/src/kotlin/internal/progressionUtil.kt
index 76cf7f0ed12..68632d851ea 100644
--- a/core/builtins/src/kotlin/internal/progressionUtil.kt
+++ b/core/builtins/src/kotlin/internal/progressionUtil.kt
@@ -48,6 +48,7 @@ private fun differenceModulo(a: Long, b: Long, c: Long): Long {
  * @param end ending bound for the progression
  * @param increment increment, or difference of successive elements in the progression
  * @return the final element of the progression
+ * @suppress
  */
 public fun getProgressionFinalElement(start: Int, end: Int, increment: Int): Int {
     if (increment > 0) {
@@ -69,6 +70,7 @@ public fun getProgressionFinalElement(start: Int, end: Int, increment: Int): Int
  * @param end ending bound for the progression
  * @param increment increment, or difference of successive elements in the progression
  * @return the final element of the progression
+ * @suppress
  */
 public fun getProgressionFinalElement(start: Long, end: Long, increment: Long): Long {
     if (increment > 0) {
diff --git a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KExtensionFunctionImpl.kt b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KExtensionFunctionImpl.kt
index 81e35d87cb5..a51c3ad6516 100644
--- a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KExtensionFunctionImpl.kt
+++ b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KExtensionFunctionImpl.kt
@@ -18,4 +18,7 @@ package kotlin.reflect.jvm.internal
 
 import kotlin.jvm.internal.ExtensionFunctionImpl
 
+/**
+ * @suppress
+ */
 public abstract class KExtensionFunctionImpl<in T, out R> : ExtensionFunctionImpl<T, R>()
diff --git a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KFunctionImpl.kt b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KFunctionImpl.kt
index 903d9212eec..563a4cab4a8 100644
--- a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KFunctionImpl.kt
+++ b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KFunctionImpl.kt
@@ -18,4 +18,7 @@ package kotlin.reflect.jvm.internal
 
 import kotlin.jvm.internal.FunctionImpl
 
+/**
+ * @suppress
+ */
 public abstract class KFunctionImpl<out R> : FunctionImpl<R>()
diff --git a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KMemberFunctionImpl.kt b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KMemberFunctionImpl.kt
index 1c80fb91dd3..c205784af91 100644
--- a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KMemberFunctionImpl.kt
+++ b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KMemberFunctionImpl.kt
@@ -18,6 +18,9 @@ package kotlin.reflect.jvm.internal
 
 import java.io.Serializable
 
+/**
+ * @suppress
+ */
 public abstract class KMemberFunctionImpl<in T, out R> : Serializable {
     override fun toString() = "${javaClass.getGenericInterfaces().first()}"
 }
diff --git a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/ReflectionFactoryImpl.java b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/ReflectionFactoryImpl.java
index ca1e121009e..d811382e65c 100644
--- a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/ReflectionFactoryImpl.java
+++ b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/ReflectionFactoryImpl.java
@@ -19,6 +19,9 @@ package kotlin.reflect.jvm.internal;
 import kotlin.jvm.internal.ReflectionFactory;
 import kotlin.reflect.*;
 
+/**
+ * @suppress
+ */
 @SuppressWarnings({"UnusedDeclaration", "unchecked"})
 public class ReflectionFactoryImpl extends ReflectionFactory {
     @Override
diff --git a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/pcollections/HashPMap.java b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/pcollections/HashPMap.java
index f6826d3de78..db2b8a247a4 100644
--- a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/pcollections/HashPMap.java
+++ b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/pcollections/HashPMap.java
@@ -20,6 +20,7 @@ import org.jetbrains.annotations.NotNull;
 
 /**
  * A persistent map from non-null keys to non-null values.
+ * @suppress
  */
 public final class HashPMap<K, V> {
     private static final HashPMap<Object, Object> EMPTY = new HashPMap<Object, Object>(IntTreePMap.<ConsPStack<MapEntry<Object, Object>>>empty(), 0);