diff --git a/libraries/tools/kotlin-dokka-stdlib/build-docs.xml b/libraries/tools/kotlin-dokka-stdlib/build-docs.xml
index 32fb73d3030..aa03bb34712 100644
--- a/libraries/tools/kotlin-dokka-stdlib/build-docs.xml
+++ b/libraries/tools/kotlin-dokka-stdlib/build-docs.xml
@@ -10,11 +10,14 @@
   <property name="dokka.format" value="kotlin-website-html"/>
 
   <property name="kotlin_root" location="IT_IS_SET_FROM_GRADLE1"/>
-  <property name="kotlin_sources" location="IT_IS_SET_FROM_GRADLE2"/>
-  <property name="kotlin_libs" location="IS_IS_SET_FROM_GRADLE3"/>
+  <property name="kotlin_libs" location="IS_IS_SET_FROM_GRADLE2"/>
 
-  <property name="kotlin_native_root" location="IT_IS_SET_FROM_GRADLE6"/>
-  <property name="kotlin_native_linux" location="IT_IS_SET_FROM_GRADLE7"/>
+  <property name="kotlin_builtins_dir" location="${kotlin_root}/core/builtins"/>
+  <property name="kotlin_stdlib_dir" location="${kotlin_root}/libraries/stdlib"/>
+  <property name="kotlin_test_dir" location="${kotlin_root}/libraries/kotlin.test"/>
+
+  <property name="kotlin_native_root" location="IT_IS_SET_FROM_GRADLE3"/>
+  <property name="kotlin_native_libs" location="IT_IS_SET_FROM_GRADLE4"/>
 
   <property name="language.version" value="1.5"/>
 
@@ -39,7 +42,7 @@
   </path>
 
   <path id="stdlib-native.classpath">
-    <pathelement location="${kotlin_native_linux}/klib/common/stdlib"/>
+    <pathelement location="${kotlin_native_libs}/klib/common/stdlib"/>
   </path>
 
   <path id="kotlin-test-jvm.classpath">
@@ -72,12 +75,12 @@
     <!--<pathelement location="${basedir}/lib/junit-4.11.jar"/>-->
   </path>
 
-  <property name="stdlib-samples" location="${kotlin_root}/libraries/stdlib/samples/test"/>
+  <property name="stdlib-samples" location="${kotlin_stdlib_dir}/samples/test"/>
 
   <!-- TODO: one file for all modules? -->
-  <property name="stdlib-include-md" location="${kotlin_root}/libraries/stdlib/src/Module.md"/>
+  <property name="stdlib-include-md" location="${kotlin_stdlib_dir}/src/Module.md"/>
 
-  <property name="kotlin-test-include-md" location="${kotlin_root}/libraries/kotlin.test/Module.md"/>
+  <property name="kotlin-test-include-md" location="${kotlin_test_dir}/Module.md"/>
 
   <target name="v2">
     <delete dir="${docs.output}/kotlin-stdlib" failonerror="false"/>
@@ -101,10 +104,12 @@
               includeRootPackage="false"
               sincekotlin="1.0">
 
-        <sourceroot path="${kotlin_root}/core/builtins/native"/>
-        <sourceroot path="${kotlin_root}/core/builtins/src"/>
+        <sourceroot path="${kotlin_builtins_dir}/native"/>
+        <sourceroot path="${kotlin_builtins_dir}/src"/>
 
-        <sourceroot path="${kotlin_sources}/kotlin-stdlib-common"/>
+        <sourceroot path="${kotlin_stdlib_dir}/common/src"/>
+        <sourceroot path="${kotlin_stdlib_dir}/src"/>
+        <sourceroot path="${kotlin_stdlib_dir}/unsigned/src"/>
 
         <target value="Common"/>
         <target value="JVM"/>
@@ -125,14 +130,12 @@
                   languageVersion="${language.version}"
                   includeRootPackage="false">
 
-        <sourceroot path="${kotlin_sources}/kotlin-stdlib"/>
+        <sourceroot path="${kotlin_builtins_dir}/native"/>
+        <sourceroot path="${kotlin_builtins_dir}/src"/>
+        <sourceroot path="${kotlin_stdlib_dir}/jvm/runtime"/>
+        <sourceroot path="${kotlin_stdlib_dir}/jvm/src"/>
 
         <sourceroot path="${kotlin_root}/core/reflection.jvm/src"/>
-        <sourceroot path="${kotlin_root}/libraries/stdlib/jvm/runtime/kotlin/jvm/annotations"/>
-        <sourceroot path="${kotlin_root}/libraries/stdlib/jvm/runtime/kotlin/jvm/JvmClassMapping.kt"/>
-        <sourceroot path="${kotlin_root}/libraries/stdlib/jvm/runtime/kotlin/jvm/PurelyImplements.kt"/>
-        <sourceroot path="${kotlin_root}/libraries/stdlib/jvm/runtime/kotlin/TypeAliases.kt"/>
-        <sourceroot path="${kotlin_root}/libraries/stdlib/jvm/runtime/kotlin/text/TypeAliases.kt"/>
 
         <packageoptions prefix="kotlin.reflect.jvm.internal" suppress="true"/>
         <packageoptions prefix="kotlin.jvm.functions" suppress="true"/>
@@ -155,7 +158,7 @@
                   languageVersion="${language.version}"
                   includeRootPackage="false">
 
-        <sourceroot path="${kotlin_sources}/kotlin-stdlib-jdk7"/>
+        <sourceroot path="${kotlin_stdlib_dir}/jdk7/src"/>
 
         <packageoptions prefix="kotlin.reflect.jvm.internal" suppress="true"/>
         <packageoptions prefix="kotlin.jvm.internal" suppress="true"/>
@@ -179,7 +182,7 @@
                   languageVersion="${language.version}"
                   includeRootPackage="false">
 
-        <sourceroot path="${kotlin_sources}/kotlin-stdlib-jdk8"/>
+        <sourceroot path="${kotlin_stdlib_dir}/jdk8/src"/>
 
         <packageoptions prefix="kotlin.reflect.jvm.internal" suppress="true"/>
         <packageoptions prefix="kotlin.jvm.internal" suppress="true"/>
@@ -204,7 +207,27 @@
                   includeRootPackage="false"
                   sincekotlin="1.1">
 
-        <sourceroot path="${kotlin_sources}/kotlin-stdlib-js"/>
+        <sourceroot path="${kotlin_stdlib_dir}/js/src"/>
+        <sourceroot path="${kotlin_stdlib_dir}/js-v1/src"/>
+
+        <sourceroot path="${kotlin_builtins_dir}/native/kotlin/Comparable.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/native/kotlin/Enum.kt"/>
+
+        <sourceroot path="${kotlin_builtins_dir}/native/kotlin/Iterator.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/native/kotlin/Collections.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/native/kotlin/CharSequence.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/native/kotlin/Annotation.kt"/>
+
+        <sourceroot path="${kotlin_builtins_dir}/src/kotlin/annotation/Annotations.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/src/kotlin/Function.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/src/kotlin/Iterators.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/src/kotlin/Range.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/src/kotlin/Progressions.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/src/kotlin/ProgressionIterators.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/src/kotlin/Ranges.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/src/kotlin/internal/InternalAnnotations.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/src/kotlin/internal/progressionUtil.kt"/>
+        <sourceroot path="${kotlin_builtins_dir}/src/kotlin/Unit.kt"/>
 
         <!--<sourcelink path=".." url="http://github.com/JetBrains/kotlin/blob/${github.revision}" linesuffix="#L"/>-->
 
@@ -276,8 +299,8 @@
               languageVersion="${language.version}"
               includeRootPackage="false"
               sincekotlin="1.0">
-        <sourceroot path="${kotlin_root}/libraries/kotlin.test/common/src/main/kotlin"/>
-        <sourceroot path="${kotlin_root}/libraries/kotlin.test/annotations-common/src/main/kotlin"/>
+        <sourceroot path="${kotlin_test_dir}/common/src/main/kotlin"/>
+        <sourceroot path="${kotlin_test_dir}/annotations-common/src/main/kotlin"/>
 
         <target value="Common" />
         <target value="JVM"/>
@@ -294,7 +317,7 @@
                 classpathref="kotlin-test-jvm.classpath"
                 languageVersion="${language.version}"
                 includeRootPackage="false">
-            <sourceroot path="${kotlin_root}/libraries/kotlin.test/jvm/src/main/kotlin"/>
+            <sourceroot path="${kotlin_test_dir}/jvm/src/main/kotlin"/>
 
             <target value="JVM" />
             <packageoptions prefix="org.junit" skipdeprecated="true"/>
@@ -310,7 +333,7 @@
               classpathref="kotlin-test-junit.classpath"
               languageVersion="${language.version}"
               includeRootPackage="false">
-        <sourceroot path="${kotlin_root}/libraries/kotlin.test/junit/src/main/kotlin"/>
+        <sourceroot path="${kotlin_test_dir}/junit/src/main/kotlin"/>
 
         <!--<target value="JVM" />-->
         <target value="JUnit"/>
@@ -327,7 +350,7 @@
               classpathref="kotlin-test-junit5.classpath"
               languageVersion="${language.version}"
               includeRootPackage="false">
-        <sourceroot path="${kotlin_root}/libraries/kotlin.test/junit5/src/main/kotlin"/>
+        <sourceroot path="${kotlin_test_dir}/junit5/src/main/kotlin"/>
 
         <!--<target value="JVM" />-->
         <target value="JUnit5"/>
@@ -345,7 +368,7 @@
               classpathref="kotlin-test-testng.classpath"
               languageVersion="${language.version}"
               includeRootPackage="false">
-        <sourceroot path="${kotlin_root}/libraries/kotlin.test/testng/src/main/kotlin"/>
+        <sourceroot path="${kotlin_test_dir}/testng/src/main/kotlin"/>
 
         <!--<target value="JVM" />-->
         <target value="TestNG"/>
@@ -363,7 +386,7 @@
               languageVersion="${language.version}"
               includeRootPackage="false"
               sincekotlin="1.1">
-        <sourceroot path="${kotlin_root}/libraries/kotlin.test/js/src/main/kotlin"/>
+        <sourceroot path="${kotlin_test_dir}/js/src/main/kotlin"/>
 
         <packageoptions prefix="org.junit" skipdeprecated="true"/>
         <target value="JS" />
diff --git a/libraries/tools/kotlin-dokka-stdlib/build.gradle b/libraries/tools/kotlin-dokka-stdlib/build.gradle
index a1ceca38070..37e62f72ae9 100644
--- a/libraries/tools/kotlin-dokka-stdlib/build.gradle
+++ b/libraries/tools/kotlin-dokka-stdlib/build.gradle
@@ -1,6 +1,5 @@
 plugins {
     id "de.undercouch.download" version "4.1.1"
-    id 'com.github.jk1.tcdeps' version '1.2'
     id "base"
 }
 
@@ -34,22 +33,11 @@ def pKotlinNative() { return project('kotlin_native').extensions }
 task extractAll(dependsOn: [setupDokka])
 
 extractAll.dependsOn project('kotlin_big').tasks.getByName('extractLibs')
-extractAll.dependsOn project('kotlin_big').tasks.getByName('extractSources')
-extractAll.dependsOn project('kotlin_big').tasks.getByName('extractKotlinSources')
-extractAll.dependsOn project('kotlin_native').tasks.getByName('extractKotlinNative')
+extractAll.dependsOn project('kotlin_native').tasks.getByName('extractLibs')
 extractAll.dependsOn project('ant').tasks.getByName('extractAnt')
 
-task cleanupSources(type: Delete) {
-    dependsOn extractAll
-    doFirst {
-        def base = file("${pKotlinNative().kotlin_native_root}/runtime/src/main/kotlin")
-        delete(files("$base/kotlin/Functions.kt", "$base/kotlin/coroutines/SuspendFunctions.kt",
-                "$base/kotlin/reflect/KFunctions.kt"))
-    }
-}
-
 task setupCallDokka() { }
-task callDokka(type: Exec, dependsOn: [extractAll, setupCallDokka, cleanupSources]) {
+task callDokka(type: Exec, dependsOn: [extractAll, setupCallDokka]) {
     workingDir = projectDir
     // -agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005
     environment("ANT_OPTS", "-Xmx3G")
@@ -67,9 +55,8 @@ setupCallDokka.doLast {
             "-f", file("build-docs.xml").path,
             "v2",
             "-Dkotlin_root=${pKotlinBig().kotlin_root}",
-            "-Dkotlin_sources=${pKotlinBig().kotlin_sources}",
             "-Dkotlin_libs=${pKotlinBig().kotlin_libs}",
             "-Dkotlin_native_root=${pKotlinNative().kotlin_native_root}",
-            "-Dkotlin_native_linux=${pKotlinNative().kotlin_native_bin_linux}",
+            "-Dkotlin_native_libs=${pKotlinNative().kotlin_native_libs}",
     ]
 }
diff --git a/libraries/tools/kotlin-dokka-stdlib/kotlin_big/build.gradle b/libraries/tools/kotlin-dokka-stdlib/kotlin_big/build.gradle
index 0feb7a0935d..38a24d5187a 100644
--- a/libraries/tools/kotlin-dokka-stdlib/kotlin_big/build.gradle
+++ b/libraries/tools/kotlin-dokka-stdlib/kotlin_big/build.gradle
@@ -1,13 +1,11 @@
-apply plugin: 'de.undercouch.download'
 apply plugin: 'base'
 
-//final String kotlin_big_build_configuration = 'Kotlin_1360_Compiler'
-final String kotlin_big_version = findProperty("kotlinLocalVersionOverride") ?: '1.5.0'
-final String kotlin_big_build = "1.5.0-release-749"
+// kotlin/libraries/tools/kotlin-dokka-stdlib  ->  kotlin
+final File kotlinRootDir = rootProject.file( "../../../")
+final String kotlinVersion = "1.5.255-SNAPSHOT"
 
 repositories {
-  if (findProperty("kotlinLocalVersionOverride") != null) mavenLocal()
-//  maven { url = "https://teamcity.jetbrains.com/guestAuth/repository/download/$kotlin_big_build_configuration/$kotlin_big_build/maven" }
+  mavenLocal()
   mavenCentral()
 }
 
@@ -26,88 +24,33 @@ final List<String> modules = [
 ]
 
 
-task extractSources() { }
 task extractLibs() { }
 
 
-final File kotlin_lib_sources = new File(buildDir, 'sources')
-final File kotlin_lib_binaries = new File(buildDir, 'libs')
+final File kotlinLibsDir = new File(buildDir, 'libs')
 
 modules.forEach { module ->
-  final String src = "kotlin_src_$module"
   final String lib = "kotlin_lib_$module"
 
-  final Configuration conf_src = configurations.create(src)
   final Configuration  lib_src = configurations.create(lib)
 
   if (module == "kotlin-test-js") {
-    conf_src.attributes {attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage, "kotlin-runtime")) }
     lib_src.attributes {attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage, "kotlin-runtime")) }
   }
 
   dependencies {
-    "$src"(group: 'org.jetbrains.kotlin', name: module, version: kotlin_big_version, classifier: 'sources') { transitive = false }
-    "$lib"(group: 'org.jetbrains.kotlin', name: module, version: kotlin_big_version)
-  }
-
-  final Task sourcesTask = tasks.create("extract_source_$module", Sync) {
-    dependsOn conf_src
-
-    from { conf_src.collect { zipTree(it) } }
-    into "$kotlin_lib_sources/$module"
+    "$lib"(group: 'org.jetbrains.kotlin', name: module, version: kotlinVersion)
   }
 
   final Task libsTask = tasks.create("extract_lib_$module", Sync) {
     dependsOn lib_src
 
     from { lib_src }
-    into "$kotlin_lib_binaries/$module"
+    into "$kotlinLibsDir/$module"
   }
 
-  extractSources.dependsOn sourcesTask
   extractLibs.dependsOn libsTask
 }
 
-
-final File kotlinSourcesZip = new File(buildDir, "kotlin-${kotlin_big_build}.zip")
-final File kotlinTargetDir = new File(buildDir, "sources/kotlin")
-final String kotlinUrl = "https://github.com/JetBrains/kotlin/archive/build-${kotlin_big_build}.zip"
-
-task downloadKotlinSources(type: Download) {
-  src kotlinUrl
-  dest kotlinSourcesZip
-  overwrite false
-}
-
-task extractKotlinSources(type: Sync, dependsOn: downloadKotlinSources) {
-  String pathPrefix = ""
-
-  if (project.findProperty("kotlinLocalRoot") != null) {
-    from project.property("kotlinLocalRoot")
-    exclude "**/build"
-    exclude "**/node_modules"
-  } else {
-    from zipTree(kotlinSourcesZip)
-    pathPrefix = "*/"
-
-    eachFile { FileCopyDetails file ->
-      //assume all files in the folder
-      file.path = file.path.split("/", 2)[1]
-    }
-  }
-
-  include "${pathPrefix}libraries/stdlib/**"
-  include "${pathPrefix}libraries/kotlin.test/**"
-  include "${pathPrefix}core/builtins/**"
-  include "${pathPrefix}core/reflection.jvm/**"
-
-  exclude "${pathPrefix}core/builtins/src/kotlin/reflect/"
-
-  includeEmptyDirs = false
-
-  into kotlinTargetDir
-}
-
-project.extensions.kotlin_root = kotlinTargetDir
-project.extensions.kotlin_sources = kotlin_lib_sources
-project.extensions.kotlin_libs = kotlin_lib_binaries
+project.extensions.kotlin_root = kotlinRootDir
+project.extensions.kotlin_libs = kotlinLibsDir
diff --git a/libraries/tools/kotlin-dokka-stdlib/kotlin_native/build.gradle b/libraries/tools/kotlin-dokka-stdlib/kotlin_native/build.gradle
index 396f0139eca..31f27f8e1b8 100644
--- a/libraries/tools/kotlin-dokka-stdlib/kotlin_native/build.gradle
+++ b/libraries/tools/kotlin-dokka-stdlib/kotlin_native/build.gradle
@@ -1,124 +1,17 @@
-apply plugin: 'de.undercouch.download'
 apply plugin: 'base'
 
-//TODO: there is no direct sync between tag and K/N version :(
-ext.kotlin_native_build_configuration = 'Kotlin_KotlinNative_Master_KotlinNativeDist'
-ext.kotlin_native_version = "1.5" // "${kotlin_native_sources_version}"
-ext.kotlin_native_build = "1.5-release-61" // "${kotin_native_version}-release-4565"
 
-ext.useBuildServer = false
-final String buildServer = 'https://buildserver.labs.intellij.net'
-
-if (useBuildServer) {
-  apply plugin: 'com.github.jk1.tcdeps'
-
-  repositories {
-    teamcityServer { url = buildServer }
-  }
-} else {
-  ext.kotlin_native_sources_revision = "v1.5-release-61" // "v${ext.kotlin_native_version}"
-  repositories {
-    ivy {
-      url "https://download.jetbrains.com/kotlin/native/builds/releases/"
-      patternLayout {
-        // e.g. https://download.jetbrains.com/kotlin/native/builds/releases/1.2.1-eap-9664/macos/kotlin-native-macos-1.2.1-eap-9664.tar.gz
-        artifact "[revision]/[classifier]/[module]-[classifier]-[revision].[ext]"
-
-        metadataSources {
-          artifact()
-        }
-      }
-    }
-
-  }
-}
-
-configurations {
-  kotlin_native_linux
-}
-
-def kotlinNativeDep(String target, String ext) {
-  return useBuildServer
-          ? tc(buildTypeId: kotlin_native_build_configuration, version: kotlin_native_build, artifactPath: "kotlin-native-$target-${kotlin_native_version}.$ext")
-          : [group: "org.jetbrains.kotlin", name: "kotlin-native", version: kotlin_native_version, classifier: target, ext: ext]
-}
-
-dependencies {
-  kotlin_native_linux   kotlinNativeDep("linux", "tar.gz")
-}
-
-final File kotlin_native_dir = new File(buildDir, "kotlin_native")
-
-task extractKotlinNativeBinariesLinux(type: Sync) {
-  from { tarTree(resources.gzip(configurations.kotlin_native_linux.singleFile)) }
-  into new File(kotlin_native_dir, 'linux')
-}
+// kotlin/libraries/tools/kotlin-dokka-stdlib  ->  kotlin/kotlin-native
+final String kotlinNativeRootDir = rootProject.file( "../../../kotlin-native")
+final File kotlinNativeLibsDir = new File(buildDir, "libs")
 
 
-final File teamCityBuildInfo = new File(buildDir, "kotlin-native-build-${kotlin_native_build}.xml")
-final String teamCityBuildsURL = "$buildServer/guestAuth/app/rest/builds/buildType:${kotlin_native_build_configuration},branch:default:any,number:${kotlin_native_build}"
+task extractLibs(type: Sync) {
+  from file(new File(kotlinNativeRootDir, "dist/klib"))
+  into file(new File(kotlinNativeLibsDir, "klib"))
 
-final File kotlinSourcesZip = new File(buildDir, "kotlin-${kotlin_native_build}.zip")
-final File kotlinTargetDir = new File(buildDir, "kotlin-native-sources")
-
-
-task getTeamCityBuildInfo(type: Download) {
-  final String url =  teamCityBuildsURL
-  doFirst {
-    println url
-  }
-  src url
-  dest teamCityBuildInfo
-  overwrite false
-}
-
-task inferTeamCityRevisionInfo() {
-  dependsOn getTeamCityBuildInfo
-  doFirst {
-    def xml = new XmlParser(false, false).parse(teamCityBuildInfo)
-    def revisions = xml.revisions as List<Node>
-    println revisions
-
-    if (revisions.size() != 1) {
-      throw new Error("Select the right VCS root from the list. Too many <revisions> elements in : $xml")
-    }
-
-    def revisionsNode = revisions[0]
-    if (revisionsNode.attribute("count") != "1") {
-      throw new Error("Select the right VCS root from the list: $revisionsNode")
-    }
-
-    final String kotlin_native_sources_tag = revisionsNode.children()[0].attribute("version")
-    println "Detected sources version: $kotlin_native_sources_tag"
-
-    tasks.downloadKotlinNativeSources.src("https://github.com/JetBrains/kotlin-native/archive/${kotlin_native_sources_tag}.zip")
-  }
-}
-
-task downloadKotlinNativeSources(type: Download) {
-  if (useBuildServer) {
-    dependsOn inferTeamCityRevisionInfo
-  } else {
-    assert kotlin_native_sources_revision != null
-    src("https://github.com/JetBrains/kotlin-native/archive/${kotlin_native_sources_revision}.zip")
-  }
-  dest kotlinSourcesZip
-  overwrite false
-}
-
-task extractKotlinNativeSources(type: Sync, dependsOn: downloadKotlinNativeSources) {
-  enabled = findProperty("kotlinLocalRoot") == null
-  from zipTree(kotlinSourcesZip)
-  into kotlinTargetDir
   includeEmptyDirs = false
-
-  eachFile { FileCopyDetails file ->
-    //assume all files in the folder
-    file.path = file.path.split("/", 2)[1]
-  }
 }
 
-task extractKotlinNative(dependsOn: [extractKotlinNativeSources, extractKotlinNativeBinariesLinux]) {}
-
-project.extensions.kotlin_native_root = findProperty("kotlinLocalRoot") == null ? kotlinTargetDir : findProperty("kotlinLocalRoot") + "/kotlin-native"
-project.extensions.kotlin_native_bin_linux = new File(kotlin_native_dir, "linux/kotlin-native-linux-${kotlin_native_version}")
+project.extensions.kotlin_native_root = kotlinNativeRootDir
+project.extensions.kotlin_native_libs = kotlinNativeLibsDir