diff --git a/buildSrc/src/main/kotlin/multiplatform-config.gradle.kts b/buildSrc/src/main/kotlin/multiplatform-config.gradle.kts
index 0008a72eb..dddb51730 100644
--- a/buildSrc/src/main/kotlin/multiplatform-config.gradle.kts
+++ b/buildSrc/src/main/kotlin/multiplatform-config.gradle.kts
@@ -1,10 +1,4 @@
-import com.moowork.gradle.node.NodeExtension
-import com.moowork.gradle.node.npm.NpmTask
-import com.moowork.gradle.node.task.NodeTask
 import org.gradle.kotlin.dsl.*
-import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
-import org.jetbrains.kotlin.gradle.tasks.Kotlin2JsCompile
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
     kotlin("multiplatform")
diff --git a/kmath-core/build.gradle.kts b/kmath-core/build.gradle.kts
index 93f4a1af6..6faba5a1b 100644
--- a/kmath-core/build.gradle.kts
+++ b/kmath-core/build.gradle.kts
@@ -6,9 +6,6 @@ val ioVersion: String by rootProject.extra
 
 
 kotlin {
-    jvm()
-    js()
-
     sourceSets {
         commonMain {
             dependencies {
diff --git a/kmath-coroutines/build.gradle.kts b/kmath-coroutines/build.gradle.kts
index d249e1c48..627b475d5 100644
--- a/kmath-coroutines/build.gradle.kts
+++ b/kmath-coroutines/build.gradle.kts
@@ -3,10 +3,7 @@ plugins {
 }
 
 kotlin {
-    jvm()
-    js()
-
-    sourceSets.invoke {
+    sourceSets {
         commonMain {
             dependencies {
                 api(project(":kmath-core"))
@@ -19,23 +16,23 @@ kotlin {
                 implementation(kotlin("test-annotations-common"))
             }
         }
-        "jvmMain" {
+        jvmMain {
             dependencies {
                 api("org.jetbrains.kotlinx:kotlinx-coroutines-core:${Ver.coroutinesVersion}")
             }
         }
-        "jvmTest" {
+        jvmTest {
             dependencies {
                 implementation(kotlin("test"))
                 implementation(kotlin("test-junit"))
             }
         }
-        "jsMain" {
+        jsMain {
             dependencies {
                 api("org.jetbrains.kotlinx:kotlinx-coroutines-core-js:${Ver.coroutinesVersion}")
             }
         }
-        "jsTest" {
+        jsTest {
             dependencies {
                 implementation(kotlin("test-js"))
             }
diff --git a/kmath-histograms/build.gradle.kts b/kmath-histograms/build.gradle.kts
index 069c11bc9..61eb61a43 100644
--- a/kmath-histograms/build.gradle.kts
+++ b/kmath-histograms/build.gradle.kts
@@ -3,10 +3,7 @@ plugins {
 }
 
 kotlin {
-    jvm()
-    js()
-
-    sourceSets.invoke {
+    sourceSets {
         commonMain {
             dependencies {
                 api(project(":kmath-core"))
@@ -18,13 +15,13 @@ kotlin {
                 implementation(kotlin("test-annotations-common"))
             }
         }
-        "jvmTest" {
+        jvmTest {
             dependencies {
                 implementation(kotlin("test"))
                 implementation(kotlin("test-junit"))
             }
         }
-        "jsTest" {
+        jsTest {
             dependencies {
                 implementation(kotlin("test-js"))
             }
diff --git a/kmath-koma/build.gradle.kts b/kmath-koma/build.gradle.kts
index 5d8e10cb1..4270ab7d5 100644
--- a/kmath-koma/build.gradle.kts
+++ b/kmath-koma/build.gradle.kts
@@ -14,10 +14,8 @@ kotlin {
             }
         }
     }
-    js()
-
-    sourceSets.invoke {
 
+    sourceSets {
         commonMain {
             dependencies {
                 api(project(":kmath-core"))
@@ -30,24 +28,24 @@ kotlin {
                 implementation(kotlin("test-annotations-common"))
             }
         }
-        "jvmMain" {
+        jvmMain {
             dependencies {
                 api("com.kyonifer:koma-core-api-jvm:0.12")
             }
         }
-        "jvmTest" {
+        jvmTest {
             dependencies {
                 implementation(kotlin("test"))
                 implementation(kotlin("test-junit"))
                 implementation("com.kyonifer:koma-core-ejml:0.12")
             }
         }
-        "jsMain" {
+        jsMain {
             dependencies {
                 api("com.kyonifer:koma-core-api-js:0.12")
             }
         }
-        "jsTest" {
+        jsTest {
             dependencies {
                 implementation(kotlin("test-js"))
             }
diff --git a/kmath-memory/build.gradle.kts b/kmath-memory/build.gradle.kts
index 12cce0bbb..e23030fba 100644
--- a/kmath-memory/build.gradle.kts
+++ b/kmath-memory/build.gradle.kts
@@ -1,9 +1,3 @@
 plugins {
     id("multiplatform-config")
 }
-
-// We actually don't need this, we define jvm and js targets in multiplatform-config
-kotlin {
-    jvm()
-    js()
-}
diff --git a/kmath-sequential/build.gradle.kts b/kmath-sequential/build.gradle.kts
index 6309d97d0..8d24f8cc9 100644
--- a/kmath-sequential/build.gradle.kts
+++ b/kmath-sequential/build.gradle.kts
@@ -4,10 +4,7 @@ plugins {
 }
 
 kotlin {
-    jvm()
-    js()
-
-    sourceSets.invoke {
+    sourceSets {
         commonMain {
             dependencies {
                 api(project(":kmath-core"))
@@ -15,12 +12,12 @@ kotlin {
                 compileOnly("org.jetbrains.kotlinx:atomicfu-common:${Ver.atomicfuVersion}")
             }
         }
-        "jvmMain" {
+        jvmMain {
             dependencies {
                 compileOnly("org.jetbrains.kotlinx:atomicfu:${Ver.atomicfuVersion}")
             }
         }
-        "jsMain" {
+        jsMain {
             dependencies {
                 compileOnly("org.jetbrains.kotlinx:atomicfu-js:${Ver.atomicfuVersion}")
             }