diff --git a/app/build.gradle b/app/build.gradle
index 33ca1154..bd6d1ad7 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -2,7 +2,6 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 28
-    buildToolsVersion '28.0.3'
 
     defaultConfig {
         minSdkVersion 19
diff --git a/build.gradle b/build.gradle
index dfc35d43..9e90d619 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,6 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools:r8:2.0.88'
         classpath 'com.android.tools.build:gradle:4.0.1'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
     }