diff --git a/build-logic/convention/src/main/kotlin/AndroidApplicationConventionPlugin.kt b/build-logic/convention/src/main/kotlin/AndroidApplicationConventionPlugin.kt
index 26b6951d3..0e2eaa397 100644
--- a/build-logic/convention/src/main/kotlin/AndroidApplicationConventionPlugin.kt
+++ b/build-logic/convention/src/main/kotlin/AndroidApplicationConventionPlugin.kt
@@ -18,6 +18,7 @@ import com.android.build.api.dsl.ApplicationExtension
 import com.google.samples.apps.nowinandroid.configureGradleManagedDevices
 import com.android.build.api.variant.ApplicationAndroidComponentsExtension
 import com.google.samples.apps.nowinandroid.configureKotlinAndroid
+import com.google.samples.apps.nowinandroid.configureKotlinAndroidToolchain
 import com.google.samples.apps.nowinandroid.configurePrintApksTask
 import org.gradle.api.Plugin
 import org.gradle.api.Project
@@ -31,6 +32,7 @@ class AndroidApplicationConventionPlugin : Plugin<Project> {
                 apply("org.jetbrains.kotlin.android")
             }
 
+            configureKotlinAndroidToolchain()
             extensions.configure<ApplicationExtension> {
                 configureKotlinAndroid(this)
                 defaultConfig.targetSdk = 33
diff --git a/build-logic/convention/src/main/kotlin/AndroidLibraryConventionPlugin.kt b/build-logic/convention/src/main/kotlin/AndroidLibraryConventionPlugin.kt
index 275a26620..2ffeae974 100644
--- a/build-logic/convention/src/main/kotlin/AndroidLibraryConventionPlugin.kt
+++ b/build-logic/convention/src/main/kotlin/AndroidLibraryConventionPlugin.kt
@@ -19,6 +19,7 @@ import com.android.build.gradle.LibraryExtension
 import com.google.samples.apps.nowinandroid.configureFlavors
 import com.google.samples.apps.nowinandroid.configureGradleManagedDevices
 import com.google.samples.apps.nowinandroid.configureKotlinAndroid
+import com.google.samples.apps.nowinandroid.configureKotlinAndroidToolchain
 import com.google.samples.apps.nowinandroid.configurePrintApksTask
 import com.google.samples.apps.nowinandroid.disableUnnecessaryAndroidTests
 import org.gradle.api.Plugin
@@ -37,6 +38,7 @@ class AndroidLibraryConventionPlugin : Plugin<Project> {
                 apply("org.jetbrains.kotlin.android")
             }
 
+            configureKotlinAndroidToolchain()
             extensions.configure<LibraryExtension> {
                 configureKotlinAndroid(this)
                 defaultConfig.targetSdk = 33
diff --git a/build-logic/convention/src/main/kotlin/com/google/samples/apps/nowinandroid/KotlinAndroid.kt b/build-logic/convention/src/main/kotlin/com/google/samples/apps/nowinandroid/KotlinAndroid.kt
index 65a734895..fd32255fd 100644
--- a/build-logic/convention/src/main/kotlin/com/google/samples/apps/nowinandroid/KotlinAndroid.kt
+++ b/build-logic/convention/src/main/kotlin/com/google/samples/apps/nowinandroid/KotlinAndroid.kt
@@ -20,10 +20,14 @@ import com.android.build.api.dsl.CommonExtension
 import org.gradle.api.JavaVersion
 import org.gradle.api.Project
 import org.gradle.api.artifacts.VersionCatalogsExtension
+import org.gradle.api.plugins.ExtensionAware
+import org.gradle.kotlin.dsl.configure
 import org.gradle.kotlin.dsl.dependencies
 import org.gradle.kotlin.dsl.getByType
 import org.gradle.kotlin.dsl.provideDelegate
 import org.gradle.kotlin.dsl.withType
+import org.jetbrains.kotlin.gradle.dsl.KotlinAndroidProjectExtension
+import org.jetbrains.kotlin.gradle.dsl.KotlinJvmOptions
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 /**
@@ -51,7 +55,7 @@ internal fun Project.configureKotlinAndroid(
     // Use withType to workaround https://youtrack.jetbrains.com/issue/KT-55947
     tasks.withType<KotlinCompile>().configureEach {
         kotlinOptions {
-            // Set JVM target to 17
+            // Set JVM target to 11
             jvmTarget = JavaVersion.VERSION_11.toString()
             // Treat all Kotlin warnings as errors (disabled by default)
             // Override by setting warningsAsErrors=true in your ~/.gradle/gradle.properties
@@ -72,3 +76,16 @@ internal fun Project.configureKotlinAndroid(
         add("coreLibraryDesugaring", libs.findLibrary("android.desugarJdkLibs").get())
     }
 }
+
+fun CommonExtension<*, *, *, *>.kotlinOptions(block: KotlinJvmOptions.() -> Unit) {
+    (this as ExtensionAware).extensions.configure("kotlinOptions", block)
+}
+
+/**
+ * Configure Kotlin's jvm toolchain for Android projects
+ */
+internal fun Project.configureKotlinAndroidToolchain() {
+    extensions.configure<KotlinAndroidProjectExtension> {
+        jvmToolchain(11)
+    }
+}
diff --git a/core/model/build.gradle.kts b/core/model/build.gradle.kts
index d49c5b3ee..67ecf9006 100644
--- a/core/model/build.gradle.kts
+++ b/core/model/build.gradle.kts
@@ -18,6 +18,10 @@ plugins {
     id("kotlin")
 }
 
+kotlin {
+    jvmToolchain(11)
+}
+
 dependencies {
     implementation(libs.kotlinx.datetime)
 }
\ No newline at end of file
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index d3af7678f..5dbf401e5 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -78,7 +78,6 @@ androidx-compose-ui-util = { group = "androidx.compose.ui", name = "ui-util" }
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "androidxCore" }
 androidx-core-splashscreen = { group = "androidx.core", name = "core-splashscreen", version.ref = "androidxCoreSplashscreen" }
 androidx-dataStore-core = { group = "androidx.datastore", name = "datastore", version.ref = "androidxDataStore" }
-androidx-dataStore-preferences = { group = "androidx.datastore", name = "datastore-preferences", version.ref = "androidxDataStore" }
 androidx-hilt-navigation-compose = { group = "androidx.hilt", name = "hilt-navigation-compose", version.ref = "androidxHiltNavigationCompose" }
 androidx-lifecycle-livedata-ktx = { group = "androidx.lifecycle", name = "lifecycle-livedata-ktx", version.ref = "androidxLifecycle" }
 androidx-lifecycle-runtimeCompose = { group = "androidx.lifecycle", name = "lifecycle-runtime-compose", version.ref = "androidxLifecycle" }