diff --git a/PACKAGES.md b/PACKAGES.md
deleted file mode 100644
index 17b2a9df..00000000
--- a/PACKAGES.md
+++ /dev/null
@@ -1,52 +0,0 @@
-
-# Package org.ktorm.database
-
-Entry of Ktorm framework, providing basic features of connection and transaction management.
-
-# Package org.ktorm.dsl
-
-Constructs strong-typed SQL DSL.
-
-# Package org.ktorm.entity
-
-Provides entity sequence APIs.
-
-# Package org.ktorm.expression
-
-Expression tree and SQL generation supports, providing expression node types, tree visitor, and SQL formatter.
-
-# Package org.ktorm.logging
-
-Simple logging facade of Ktorm, provides adapters for variable logging frameworks.
-
-# Package org.ktorm.schema
-
-Database schema supports, including table and column definition, column binding, and SQL types.
-
-# Package org.ktorm.global
-
-Provide a more concise DSL syntax based on a global database instance. 
-
-# Package org.ktorm.jackson
-
-Jackson extension module for Ktorm, providing JSON serialization for entity objects and JSON SQL type.
-
-# Package org.ktorm.support.mysql
-
-MySQL dialect module for Ktorm.
-
-# Package org.ktorm.support.oracle
-
-Oracle dialect module for Ktorm.
-
-# Package org.ktorm.support.postgresql
-
-PostgreSQL dialect module for Ktorm.
-
-# Package org.ktorm.support.sqlite
-
-SQLite dialect module for Ktorm.
-
-# Package org.ktorm.support.sqlserver
-
-Microsoft SqlServer dialect module for Ktorm.
diff --git a/build.gradle.kts b/build.gradle.kts
index 3aad8cb6..74449124 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -2,17 +2,33 @@
 group = "org.ktorm"
 version = file("ktorm.version").readLines()[0]
 
-task("printClasspath") {
-    doLast {
-        val jars = subprojects
-            .map { it.configurations["compileClasspath"] }
-            .flatMap { it.files }
-            .filterNotTo(HashSet()) { it.name.contains("ktorm") }
-            .onEach { println(it.name) }
+plugins {
+    id("org.jetbrains.dokka") version "1.9.20"
+}
+
+repositories {
+    mavenCentral()
+    gradlePluginPortal()
+}
+
+tasks.dokkaHtmlMultiModule {
+    val templatesDir = System.getenv("DOKKA_TEMPLATES_DIR")
+    if (!templatesDir.isNullOrEmpty()) {
+        pluginsMapConfiguration.set(mapOf("org.jetbrains.dokka.base.DokkaBase" to """{"templatesDir": "$templatesDir"}"""))
+    }
+}
+
+subprojects {
+    apply(plugin = "org.jetbrains.dokka")
 
-        val file = file("build/ktorm.classpath")
-        file.parentFile.mkdirs()
-        file.writeText(jars.joinToString(File.pathSeparator) { it.absolutePath })
-        println("Classpath written to build/ktorm.classpath")
+    tasks.named<org.jetbrains.dokka.gradle.DokkaTaskPartial>("dokkaHtmlPartial") {
+        dokkaSourceSets.named("main") {
+            suppressGeneratedFiles.set(false)
+            sourceLink {
+                localDirectory.set(file("src/main/kotlin"))
+                remoteUrl.set(java.net.URL("https://github.com/kotlin-orm/ktorm/blob/master/${project.name}/src/main/kotlin"))
+                remoteLineSuffix.set("#L")
+            }
+        }
     }
 }
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 20dab739..30cf9df7 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,6 +1,6 @@
 
 plugins {
-    id("com.gradle.enterprise") version("3.14.1")
+    id("com.gradle.enterprise") version "3.14.1"
 }
 
 include("ktorm-core")