diff --git a/build.gradle.kts b/build.gradle.kts
index 492278b9..f9edb0a3 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -5,7 +5,6 @@ plugins {
 buildscript {
     repositories {
         google()
-        jcenter()
         mavenCentral()
     }
 
diff --git a/mobile/build.gradle.kts b/mobile/build.gradle.kts
index dea59381..923ce6f7 100644
--- a/mobile/build.gradle.kts
+++ b/mobile/build.gradle.kts
@@ -18,10 +18,7 @@ android {
         targetCompatibility = javaVersion
     }
     compileSdkVersion(30)
-    kotlinOptions {
-        freeCompilerArgs = listOf("-XXLanguage:+InlineClasses")
-        jvmTarget = javaVersion.toString()
-    }
+    kotlinOptions.jvmTarget = javaVersion.toString()
     defaultConfig {
         applicationId = "be.mygod.vpnhotspot"
         minSdkVersion(21)