diff --git a/components/build.gradle.kts b/components/build.gradle.kts
index c75dd5b55d..18ec477339 100644
--- a/components/build.gradle.kts
+++ b/components/build.gradle.kts
@@ -17,6 +17,10 @@ subprojects {
         }
     }
 
+    tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>() {
+        kotlinOptions.jvmTarget = "11"
+    }
+
     plugins.withId("maven-publish") {
         configureIfExists<PublishingExtension> {
             repositories {
diff --git a/gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/gradle/GradlePluginTest.kt b/gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/gradle/GradlePluginTest.kt
index ee70c98400..a735da46c2 100644
--- a/gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/gradle/GradlePluginTest.kt
+++ b/gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/gradle/GradlePluginTest.kt
@@ -24,12 +24,7 @@ import kotlin.concurrent.thread
 class GradlePluginTest : GradlePluginTestBase() {
     @Test
     fun jsMppIsNotBroken() =
-        with(
-            testProject(
-                TestProjects.jsMpp,
-                testEnvironment = defaultTestEnvironment.copy(kotlinVersion = TestKotlinVersion.V1_5_20)
-            )
-        ) {
+        with(testProject(TestProjects.jsMpp)) {
             gradle(":compileKotlinJs").build().checks { check ->
                 check.taskOutcome(":compileKotlinJs", TaskOutcome.SUCCESS)
             }
diff --git a/gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/TestKotlinVersion.kt b/gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/TestKotlinVersion.kt
index 2c4e9cd38d..51864dd1d9 100644
--- a/gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/TestKotlinVersion.kt
+++ b/gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/TestKotlinVersion.kt
@@ -7,7 +7,6 @@ package org.jetbrains.compose.test
 
 @Suppress("EnumEntryName")
 enum class TestKotlinVersion(val versionString: String) {
-    Default("1.6.10"),
-    V1_5_31("1.5.31"),
-    V1_5_20("1.5.20")
-}
+    // __KOTLIN_COMPOSE_VERSION__
+    Default("1.6.10")
+}
\ No newline at end of file
diff --git a/gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/TestProject.kt b/gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/TestProject.kt
index bb8d62bfd7..f76292d0c2 100644
--- a/gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/TestProject.kt
+++ b/gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/TestProject.kt
@@ -19,13 +19,15 @@ class TestProject(
     private val name: String,
     private val testEnvironment: TestEnvironment
 ) {
+    private val testProjectsRootDir = File("src/test/test-projects")
     private val additionalArgs = listOf(
         "--stacktrace",
+        "--init-script", testProjectsRootDir.resolve("init.gradle").absolutePath,
         "-P${ComposeProperties.VERBOSE}=true"
     )
 
     init {
-        val originalTestRoot = File("src/test/test-projects").resolve(name).also {
+        val originalTestRoot = testProjectsRootDir.resolve(name).also {
             check(it.exists()) { "Test project is not found: ${it.absolutePath}" }
         }
         for (orig in originalTestRoot.walk()) {
diff --git a/gradle-plugins/compose/src/test/test-projects/application/defaultArgs/build.gradle b/gradle-plugins/compose/src/test/test-projects/application/defaultArgs/build.gradle
index 4c8c40ec8b..9d1d21d1cd 100644
--- a/gradle-plugins/compose/src/test/test-projects/application/defaultArgs/build.gradle
+++ b/gradle-plugins/compose/src/test/test-projects/application/defaultArgs/build.gradle
@@ -5,14 +5,6 @@ plugins {
     id "org.jetbrains.compose"
 }
 
-repositories {
-    google()
-    mavenCentral()
-    maven {
-        url "https://maven.pkg.jetbrains.space/public/p/compose/dev"
-    }
-}
-
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib"
     implementation compose.desktop.currentOs
@@ -27,4 +19,4 @@ compose.desktop {
             packageName = "Test Package"
         }
     }
-}
+}
\ No newline at end of file
diff --git a/gradle-plugins/compose/src/test/test-projects/application/javaLogger/build.gradle b/gradle-plugins/compose/src/test/test-projects/application/javaLogger/build.gradle
index 903c8a95c4..87fbb5d4de 100644
--- a/gradle-plugins/compose/src/test/test-projects/application/javaLogger/build.gradle
+++ b/gradle-plugins/compose/src/test/test-projects/application/javaLogger/build.gradle
@@ -3,14 +3,6 @@ plugins {
     id "org.jetbrains.compose"
 }
 
-repositories {
-    google()
-    mavenCentral()
-    maven {
-        url "https://maven.pkg.jetbrains.space/public/p/compose/dev"
-    }
-}
-
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib"
     implementation compose.desktop.currentOs
diff --git a/gradle-plugins/compose/src/test/test-projects/application/jvm/build.gradle b/gradle-plugins/compose/src/test/test-projects/application/jvm/build.gradle
index 75c1067643..8905f5a05f 100644
--- a/gradle-plugins/compose/src/test/test-projects/application/jvm/build.gradle
+++ b/gradle-plugins/compose/src/test/test-projects/application/jvm/build.gradle
@@ -6,8 +6,6 @@ plugins {
 }
 
 repositories {
-    google()
-    mavenCentral()
     jetbrainsCompose()
 }
 
diff --git a/gradle-plugins/compose/src/test/test-projects/application/jvmKotlinDsl/build.gradle.kts b/gradle-plugins/compose/src/test/test-projects/application/jvmKotlinDsl/build.gradle.kts
index 442f6d36cf..39d923ec20 100644
--- a/gradle-plugins/compose/src/test/test-projects/application/jvmKotlinDsl/build.gradle.kts
+++ b/gradle-plugins/compose/src/test/test-projects/application/jvmKotlinDsl/build.gradle.kts
@@ -7,8 +7,6 @@ plugins {
 }
 
 repositories {
-    google()
-    mavenCentral()
     jetbrainsCompose()
 }
 
diff --git a/gradle-plugins/compose/src/test/test-projects/application/macOptions/build.gradle b/gradle-plugins/compose/src/test/test-projects/application/macOptions/build.gradle
index d1c9437a9d..05c8d8b0c7 100644
--- a/gradle-plugins/compose/src/test/test-projects/application/macOptions/build.gradle
+++ b/gradle-plugins/compose/src/test/test-projects/application/macOptions/build.gradle
@@ -5,14 +5,6 @@ plugins {
     id "org.jetbrains.compose"
 }
 
-repositories {
-    google()
-    mavenCentral()
-    maven {
-        url "https://maven.pkg.jetbrains.space/public/p/compose/dev"
-    }
-}
-
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib"
     implementation compose.desktop.currentOs
diff --git a/gradle-plugins/compose/src/test/test-projects/application/macSign/build.gradle b/gradle-plugins/compose/src/test/test-projects/application/macSign/build.gradle
index 92fce3f186..25af20375d 100644
--- a/gradle-plugins/compose/src/test/test-projects/application/macSign/build.gradle
+++ b/gradle-plugins/compose/src/test/test-projects/application/macSign/build.gradle
@@ -5,14 +5,6 @@ plugins {
     id "org.jetbrains.compose"
 }
 
-repositories {
-    google()
-    mavenCentral()
-    maven {
-        url "https://maven.pkg.jetbrains.space/public/p/compose/dev"
-    }
-}
-
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib"
     implementation compose.desktop.currentOs
diff --git a/gradle-plugins/compose/src/test/test-projects/application/moduleClashCli/build.gradle b/gradle-plugins/compose/src/test/test-projects/application/moduleClashCli/build.gradle
index 7c52b3ee91..e69de29bb2 100644
--- a/gradle-plugins/compose/src/test/test-projects/application/moduleClashCli/build.gradle
+++ b/gradle-plugins/compose/src/test/test-projects/application/moduleClashCli/build.gradle
@@ -1,14 +0,0 @@
-plugins {
-    id "org.jetbrains.kotlin.jvm" apply false
-    id "org.jetbrains.compose" apply false
-}
-
-subprojects {
-    repositories {
-        google()
-        mavenCentral()
-        maven {
-            url "https://maven.pkg.jetbrains.space/public/p/compose/dev"
-        }
-    }
-}
diff --git a/gradle-plugins/compose/src/test/test-projects/application/mpp/build.gradle b/gradle-plugins/compose/src/test/test-projects/application/mpp/build.gradle
index 585672eff4..3b13d85550 100644
--- a/gradle-plugins/compose/src/test/test-projects/application/mpp/build.gradle
+++ b/gradle-plugins/compose/src/test/test-projects/application/mpp/build.gradle
@@ -5,14 +5,6 @@ plugins {
     id "org.jetbrains.compose"
 }
 
-repositories {
-    google()
-    mavenCentral()
-    maven {
-        url "https://maven.pkg.jetbrains.space/public/p/compose/dev"
-    }
-}
-
 kotlin {
     jvm {
     }
@@ -26,7 +18,6 @@ kotlin {
     }
 }
 
-
 compose.desktop {
     application {
         mainClass = "MainKt"
diff --git a/gradle-plugins/compose/src/test/test-projects/application/optionsWithSpaces/build.gradle b/gradle-plugins/compose/src/test/test-projects/application/optionsWithSpaces/build.gradle
index 05088e3507..f0df53799f 100644
--- a/gradle-plugins/compose/src/test/test-projects/application/optionsWithSpaces/build.gradle
+++ b/gradle-plugins/compose/src/test/test-projects/application/optionsWithSpaces/build.gradle
@@ -5,14 +5,6 @@ plugins {
     id "org.jetbrains.compose"
 }
 
-repositories {
-    google()
-    mavenCentral()
-    maven {
-        url "https://maven.pkg.jetbrains.space/public/p/compose/dev"
-    }
-}
-
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib"
     implementation compose.desktop.currentOs
diff --git a/gradle-plugins/compose/src/test/test-projects/application/resources/build.gradle b/gradle-plugins/compose/src/test/test-projects/application/resources/build.gradle
index e4e8a01b88..9db2a01e22 100644
--- a/gradle-plugins/compose/src/test/test-projects/application/resources/build.gradle
+++ b/gradle-plugins/compose/src/test/test-projects/application/resources/build.gradle
@@ -5,14 +5,6 @@ plugins {
     id "org.jetbrains.compose"
 }
 
-repositories {
-    google()
-    mavenCentral()
-    maven {
-        url "https://maven.pkg.jetbrains.space/public/p/compose/dev"
-    }
-}
-
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib"
     implementation compose.desktop.currentOs
diff --git a/gradle-plugins/compose/src/test/test-projects/application/unpackSkiko/build.gradle b/gradle-plugins/compose/src/test/test-projects/application/unpackSkiko/build.gradle
index 57722d1a55..d49191985c 100644
--- a/gradle-plugins/compose/src/test/test-projects/application/unpackSkiko/build.gradle
+++ b/gradle-plugins/compose/src/test/test-projects/application/unpackSkiko/build.gradle
@@ -5,14 +5,6 @@ plugins {
     id "org.jetbrains.compose"
 }
 
-repositories {
-    google()
-    mavenCentral()
-    maven {
-        url "https://maven.pkg.jetbrains.space/public/p/compose/dev"
-    }
-}
-
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib"
     implementation compose.desktop.currentOs
diff --git a/gradle-plugins/compose/src/test/test-projects/init.gradle b/gradle-plugins/compose/src/test/test-projects/init.gradle
new file mode 100644
index 0000000000..7db1e57b4f
--- /dev/null
+++ b/gradle-plugins/compose/src/test/test-projects/init.gradle
@@ -0,0 +1,34 @@
+def jvmTargetForKotlinCompile(Project project, String jvmTarget) {
+    project.tasks.all {
+        // tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile) fails for init scripts
+        if (it.class.name == "org.jetbrains.kotlin.gradle.tasks.KotlinCompile_Decorated") {
+            kotlinOptions.jvmTarget = "11"
+        }
+    }
+}
+
+allprojects {
+    repositories {
+        mavenLocal()
+        mavenCentral()
+        maven {
+            url 'https://maven.pkg.jetbrains.space/public/p/compose/dev'
+        }
+        google()
+    }
+
+    plugins.withId("java-base") {
+        java {
+            sourceCompatibility = JavaVersion.VERSION_11
+            targetCompatibility = JavaVersion.VERSION_11
+        }
+    }
+
+    plugins.withId("org.jetbrains.kotlin.jvm") {
+        jvmTargetForKotlinCompile(project, "11")
+    }
+
+    plugins.withId("org.jetbrains.kotlin.multiplatform") {
+        jvmTargetForKotlinCompile(project, "11")
+    }
+}
\ No newline at end of file
diff --git a/gradle-plugins/compose/src/test/test-projects/misc/jsMpp/build.gradle b/gradle-plugins/compose/src/test/test-projects/misc/jsMpp/build.gradle
index 072f6aa1bd..421b6a144b 100644
--- a/gradle-plugins/compose/src/test/test-projects/misc/jsMpp/build.gradle
+++ b/gradle-plugins/compose/src/test/test-projects/misc/jsMpp/build.gradle
@@ -5,13 +5,6 @@ plugins {
     id "org.jetbrains.compose"
 }
 
-repositories {
-    google()
-    mavenCentral()
-    maven { url "https://maven.pkg.jetbrains.space/public/p/compose/dev" }
-    maven { url "https://maven.pkg.jetbrains.space/kotlin/p/kotlin/dev" }
-}
-
 kotlin {
     js(IR) {
         browser()
diff --git a/gradle-plugins/compose/src/test/test-projects/misc/jvmPreview/build.gradle b/gradle-plugins/compose/src/test/test-projects/misc/jvmPreview/build.gradle
index e5a360f3a0..e69de29bb2 100644
--- a/gradle-plugins/compose/src/test/test-projects/misc/jvmPreview/build.gradle
+++ b/gradle-plugins/compose/src/test/test-projects/misc/jvmPreview/build.gradle
@@ -1,10 +0,0 @@
-subprojects {
-    repositories {
-        mavenLocal()
-        mavenCentral()
-        maven {
-            url 'https://maven.pkg.jetbrains.space/public/p/compose/dev'
-        }
-        google()
-    }
-}
\ No newline at end of file