diff --git a/core/reflection.jvm/src/kotlin/reflect/full/KClasses.kt b/core/reflection.jvm/src/kotlin/reflect/full/KClasses.kt
index 5a2f781c3d7..de419ba87a8 100644
--- a/core/reflection.jvm/src/kotlin/reflect/full/KClasses.kt
+++ b/core/reflection.jvm/src/kotlin/reflect/full/KClasses.kt
@@ -78,7 +78,7 @@ val KClass<*>.defaultType: KType
  */
 @SinceKotlin("1.1")
 val KClass<*>.declaredMembers: Collection<KCallable<*>>
-    get() = (this as KClassImpl).data().declaredMembers
+    get() = (this as KClassImpl).data.value.declaredMembers
 
 /**
  * Returns all functions declared in this class, including all non-static methods declared in the class
@@ -93,21 +93,21 @@ val KClass<*>.functions: Collection<KFunction<*>>
  */
 @SinceKotlin("1.1")
 val KClass<*>.staticFunctions: Collection<KFunction<*>>
-    get() = (this as KClassImpl).data().allStaticMembers.filterIsInstance<KFunction<*>>()
+    get() = (this as KClassImpl).data.value.allStaticMembers.filterIsInstance<KFunction<*>>()
 
 /**
  * Returns non-extension non-static functions declared in this class and all of its superclasses.
  */
 @SinceKotlin("1.1")
 val KClass<*>.memberFunctions: Collection<KFunction<*>>
-    get() = (this as KClassImpl).data().allNonStaticMembers.filter { it.isNotExtension && it is KFunction<*> } as Collection<KFunction<*>>
+    get() = (this as KClassImpl).data.value.allNonStaticMembers.filter { it.isNotExtension && it is KFunction<*> } as Collection<KFunction<*>>
 
 /**
  * Returns extension functions declared in this class and all of its superclasses.
  */
 @SinceKotlin("1.1")
 val KClass<*>.memberExtensionFunctions: Collection<KFunction<*>>
-    get() = (this as KClassImpl).data().allNonStaticMembers.filter { it.isExtension && it is KFunction<*> } as Collection<KFunction<*>>
+    get() = (this as KClassImpl).data.value.allNonStaticMembers.filter { it.isExtension && it is KFunction<*> } as Collection<KFunction<*>>
 
 /**
  * Returns all functions declared in this class.
@@ -116,21 +116,21 @@ val KClass<*>.memberExtensionFunctions: Collection<KFunction<*>>
  */
 @SinceKotlin("1.1")
 val KClass<*>.declaredFunctions: Collection<KFunction<*>>
-    get() = (this as KClassImpl).data().declaredMembers.filterIsInstance<KFunction<*>>()
+    get() = (this as KClassImpl).data.value.declaredMembers.filterIsInstance<KFunction<*>>()
 
 /**
  * Returns non-extension non-static functions declared in this class.
  */
 @SinceKotlin("1.1")
 val KClass<*>.declaredMemberFunctions: Collection<KFunction<*>>
-    get() = (this as KClassImpl).data().declaredNonStaticMembers.filter { it.isNotExtension && it is KFunction<*> } as Collection<KFunction<*>>
+    get() = (this as KClassImpl).data.value.declaredNonStaticMembers.filter { it.isNotExtension && it is KFunction<*> } as Collection<KFunction<*>>
 
 /**
  * Returns extension functions declared in this class.
  */
 @SinceKotlin("1.1")
 val KClass<*>.declaredMemberExtensionFunctions: Collection<KFunction<*>>
-    get() = (this as KClassImpl).data().declaredNonStaticMembers.filter { it.isExtension && it is KFunction<*> } as Collection<KFunction<*>>
+    get() = (this as KClassImpl).data.value.declaredNonStaticMembers.filter { it.isExtension && it is KFunction<*> } as Collection<KFunction<*>>
 
 /**
  * Returns static properties declared in this class.
@@ -138,35 +138,35 @@ val KClass<*>.declaredMemberExtensionFunctions: Collection<KFunction<*>>
  */
 @SinceKotlin("1.1")
 val KClass<*>.staticProperties: Collection<KProperty0<*>>
-    get() = (this as KClassImpl).data().allStaticMembers.filter { it.isNotExtension && it is KProperty0<*> } as Collection<KProperty0<*>>
+    get() = (this as KClassImpl).data.value.allStaticMembers.filter { it.isNotExtension && it is KProperty0<*> } as Collection<KProperty0<*>>
 
 /**
  * Returns non-extension properties declared in this class and all of its superclasses.
  */
 @SinceKotlin("1.1")
 val <T : Any> KClass<T>.memberProperties: Collection<KProperty1<T, *>>
-    get() = (this as KClassImpl<T>).data().allNonStaticMembers.filter { it.isNotExtension && it is KProperty1<*, *> } as Collection<KProperty1<T, *>>
+    get() = (this as KClassImpl<T>).data.value.allNonStaticMembers.filter { it.isNotExtension && it is KProperty1<*, *> } as Collection<KProperty1<T, *>>
 
 /**
  * Returns extension properties declared in this class and all of its superclasses.
  */
 @SinceKotlin("1.1")
 val <T : Any> KClass<T>.memberExtensionProperties: Collection<KProperty2<T, *, *>>
-    get() = (this as KClassImpl<T>).data().allNonStaticMembers.filter { it.isExtension && it is KProperty2<*, *, *> } as Collection<KProperty2<T, *, *>>
+    get() = (this as KClassImpl<T>).data.value.allNonStaticMembers.filter { it.isExtension && it is KProperty2<*, *, *> } as Collection<KProperty2<T, *, *>>
 
 /**
  * Returns non-extension properties declared in this class.
  */
 @SinceKotlin("1.1")
 val <T : Any> KClass<T>.declaredMemberProperties: Collection<KProperty1<T, *>>
-    get() = (this as KClassImpl<T>).data().declaredNonStaticMembers.filter { it.isNotExtension && it is KProperty1<*, *> } as Collection<KProperty1<T, *>>
+    get() = (this as KClassImpl<T>).data.value.declaredNonStaticMembers.filter { it.isNotExtension && it is KProperty1<*, *> } as Collection<KProperty1<T, *>>
 
 /**
  * Returns extension properties declared in this class.
  */
 @SinceKotlin("1.1")
 val <T : Any> KClass<T>.declaredMemberExtensionProperties: Collection<KProperty2<T, *, *>>
-    get() = (this as KClassImpl<T>).data().declaredNonStaticMembers.filter { it.isExtension && it is KProperty2<*, *, *> } as Collection<KProperty2<T, *, *>>
+    get() = (this as KClassImpl<T>).data.value.declaredNonStaticMembers.filter { it.isExtension && it is KProperty2<*, *, *> } as Collection<KProperty2<T, *, *>>
 
 
 private val KCallableImpl<*>.isExtension: Boolean
diff --git a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KClassImpl.kt b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KClassImpl.kt
index a7af316fe7e..7787a78fcd0 100644
--- a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KClassImpl.kt
+++ b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KClassImpl.kt
@@ -36,6 +36,7 @@ import org.jetbrains.kotlin.resolve.scopes.MemberScope
 import org.jetbrains.kotlin.serialization.deserialization.MemberDeserializer
 import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedClassDescriptor
 import org.jetbrains.kotlin.utils.compact
+import kotlin.LazyThreadSafetyMode.PUBLICATION
 import kotlin.jvm.internal.TypeIntrinsics
 import kotlin.reflect.*
 import kotlin.reflect.jvm.internal.KDeclarationContainerImpl.MemberBelonginess.DECLARED
@@ -47,7 +48,7 @@ internal class KClassImpl<T : Any>(
     inner class Data : KDeclarationContainerImpl.Data() {
         val descriptor: ClassDescriptor by ReflectProperties.lazySoft {
             val classId = classId
-            val moduleData = data().moduleData
+            val moduleData = data.value.moduleData
 
             val descriptor =
                 if (classId.isLocal) moduleData.deserialization.deserializeClass(classId)
@@ -105,7 +106,7 @@ internal class KClassImpl<T : Any>(
         }
 
         @Suppress("UNCHECKED_CAST")
-        val objectInstance: T? by ReflectProperties.lazy {
+        val objectInstance: T? by lazy(PUBLICATION) {
             val descriptor = descriptor
             if (descriptor.kind != ClassKind.OBJECT) return@lazy null
 
@@ -177,11 +178,11 @@ internal class KClassImpl<T : Any>(
                 by ReflectProperties.lazySoft { allNonStaticMembers + allStaticMembers }
     }
 
-    val data = ReflectProperties.lazy { Data() }
+    val data = lazy(PUBLICATION) { Data() }
 
-    override val descriptor: ClassDescriptor get() = data().descriptor
+    override val descriptor: ClassDescriptor get() = data.value.descriptor
 
-    override val annotations: List<Annotation> get() = data().annotations
+    override val annotations: List<Annotation> get() = data.value.annotations
 
     private val classId: ClassId get() = RuntimeTypeMapper.mapJvmClassToKotlinClassId(jClass)
 
@@ -192,7 +193,7 @@ internal class KClassImpl<T : Any>(
 
     internal val staticScope: MemberScope get() = descriptor.staticScope
 
-    override val members: Collection<KCallable<*>> get() = data().allMembers
+    override val members: Collection<KCallable<*>> get() = data.value.allMembers
 
     override val constructorDescriptors: Collection<ConstructorDescriptor>
         get() {
@@ -231,15 +232,15 @@ internal class KClassImpl<T : Any>(
         }
     }
 
-    override val simpleName: String? get() = data().simpleName
+    override val simpleName: String? get() = data.value.simpleName
 
-    override val qualifiedName: String? get() = data().qualifiedName
+    override val qualifiedName: String? get() = data.value.qualifiedName
 
-    override val constructors: Collection<KFunction<T>> get() = data().constructors
+    override val constructors: Collection<KFunction<T>> get() = data.value.constructors
 
-    override val nestedClasses: Collection<KClass<*>> get() = data().nestedClasses
+    override val nestedClasses: Collection<KClass<*>> get() = data.value.nestedClasses
 
-    override val objectInstance: T? get() = data().objectInstance
+    override val objectInstance: T? get() = data.value.objectInstance
 
     override fun isInstance(value: Any?): Boolean {
         // TODO: use Kotlin semantics for mutable/read-only collections once KT-11754 is supported (see TypeIntrinsics)
@@ -249,14 +250,14 @@ internal class KClassImpl<T : Any>(
         return (jClass.wrapperByPrimitive ?: jClass).isInstance(value)
     }
 
-    override val typeParameters: List<KTypeParameter> get() = data().typeParameters
+    override val typeParameters: List<KTypeParameter> get() = data.value.typeParameters
 
-    override val supertypes: List<KType> get() = data().supertypes
+    override val supertypes: List<KType> get() = data.value.supertypes
 
     /**
      * The list of the immediate subclasses if this class is a sealed class, or an empty list otherwise.
      */
-    override val sealedSubclasses: List<KClass<out T>> get() = data().sealedSubclasses
+    override val sealedSubclasses: List<KClass<out T>> get() = data.value.sealedSubclasses
 
     override val visibility: KVisibility?
         get() = descriptor.visibility.toKVisibility()
diff --git a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KPackageImpl.kt b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KPackageImpl.kt
index c3afae864cd..e6f39c7b8b9 100644
--- a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KPackageImpl.kt
+++ b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KPackageImpl.kt
@@ -32,6 +32,7 @@ import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmProtoBufUtil
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.scopes.MemberScope
 import org.jetbrains.kotlin.serialization.deserialization.MemberDeserializer
+import kotlin.LazyThreadSafetyMode.PUBLICATION
 import kotlin.reflect.KCallable
 import kotlin.reflect.jvm.internal.KDeclarationContainerImpl.MemberBelonginess.DECLARED
 
@@ -51,7 +52,7 @@ internal class KPackageImpl(
             else MemberScope.Empty
         }
 
-        val multifileFacade: Class<*>? by ReflectProperties.lazy {
+        val multifileFacade: Class<*>? by lazy(PUBLICATION) {
             val facadeName = kotlinClass?.classHeader?.multifileClassName
             // We need to check isNotEmpty because this is the value read from the annotation which cannot be null.
             // The default value for 'xs' is empty string, as declared in kotlin.Metadata
@@ -60,7 +61,7 @@ internal class KPackageImpl(
             else null
         }
 
-        val metadata: Triple<JvmNameResolver, ProtoBuf.Package, JvmMetadataVersion>? by ReflectProperties.lazy {
+        val metadata: Triple<JvmNameResolver, ProtoBuf.Package, JvmMetadataVersion>? by lazy(PUBLICATION) {
             kotlinClass?.classHeader?.let { header ->
                 val data = header.data
                 val strings = header.strings
@@ -76,13 +77,13 @@ internal class KPackageImpl(
         }
     }
 
-    private val data = ReflectProperties.lazy { Data() }
+    private val data = lazy(PUBLICATION) { Data() }
 
-    override val methodOwner: Class<*> get() = data().multifileFacade ?: jClass
+    override val methodOwner: Class<*> get() = data.value.multifileFacade ?: jClass
 
-    private val scope: MemberScope get() = data().scope
+    private val scope: MemberScope get() = data.value.scope
 
-    override val members: Collection<KCallable<*>> get() = data().members
+    override val members: Collection<KCallable<*>> get() = data.value.members
 
     override val constructorDescriptors: Collection<ConstructorDescriptor>
         get() = emptyList()
@@ -94,7 +95,7 @@ internal class KPackageImpl(
         scope.getContributedFunctions(name, NoLookupLocation.FROM_REFLECTION)
 
     override fun getLocalProperty(index: Int): PropertyDescriptor? {
-        return data().metadata?.let { (nameResolver, packageProto, metadataVersion) ->
+        return data.value.metadata?.let { (nameResolver, packageProto, metadataVersion) ->
             packageProto.getExtensionOrNull(JvmProtoBuf.packageLocalVariable, index)?.let { proto ->
                 deserializeToDescriptor(
                     jClass, proto, nameResolver, TypeTable(packageProto.typeTable), metadataVersion,
diff --git a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/ReflectProperties.java b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/ReflectProperties.java
index d2f2d0227fd..5ca9c9064dc 100644
--- a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/ReflectProperties.java
+++ b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/ReflectProperties.java
@@ -44,29 +44,6 @@ public class ReflectProperties {
         }
     }
 
-    // A delegate for a lazy property, whose initializer may be invoked multiple times including simultaneously from different threads
-    public static class LazyVal<T> extends Val<T> {
-        private final Function0<T> initializer;
-        private volatile Object value = null;
-
-        public LazyVal(@NotNull Function0<T> initializer) {
-            this.initializer = initializer;
-        }
-
-        @Override
-        public T invoke() {
-            Object cached = value;
-            if (cached != null) {
-                return unescape(cached);
-            }
-
-            T result = initializer.invoke();
-            value = escape(result);
-
-            return result;
-        }
-    }
-
     // A delegate for a lazy property on a soft reference, whose initializer may be invoked multiple times
     // including simultaneously from different threads
     public static class LazySoftVal<T> extends Val<T> implements Function0<T> {
@@ -97,11 +74,6 @@ public class ReflectProperties {
         }
     }
 
-    @NotNull
-    public static <T> LazyVal<T> lazy(@NotNull Function0<T> initializer) {
-        return new LazyVal<T>(initializer);
-    }
-
     @NotNull
     public static <T> LazySoftVal<T> lazySoft(@Nullable T initialValue, @NotNull Function0<T> initializer) {
         return new LazySoftVal<T>(initialValue, initializer);