diff --git a/android/build.gradle b/android/build.gradle
index 00e75f9..43eb88f 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -38,7 +38,6 @@ apply plugin: 'kotlin-android'
 
 android {
   compileSdkVersion getExtOrIntegerDefault('compileSdkVersion')
-  buildToolsVersion getExtOrDefault('buildToolsVersion')
   defaultConfig {
     minSdkVersion getExtOrIntegerDefault('minSdkVersion')
     targetSdkVersion getExtOrIntegerDefault('targetSdkVersion')