diff --git a/app/build.gradle b/app/build.gradle
index edf307fd..fae3811b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -2,7 +2,6 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 27
-    buildToolsVersion "27.0.3"
 
     dependencies {
         implementation 'com.android.support:support-annotations:27.1.0'
diff --git a/terminal-emulator/build.gradle b/terminal-emulator/build.gradle
index 5b8f2110..fc972e0c 100644
--- a/terminal-emulator/build.gradle
+++ b/terminal-emulator/build.gradle
@@ -18,7 +18,6 @@ ext {
 
 android {
     compileSdkVersion 27
-    buildToolsVersion "27.0.3"
 
     defaultConfig {
         minSdkVersion 21
diff --git a/terminal-view/build.gradle b/terminal-view/build.gradle
index 1b13ba90..d209ee25 100644
--- a/terminal-view/build.gradle
+++ b/terminal-view/build.gradle
@@ -18,7 +18,6 @@ ext {
 
 android {
     compileSdkVersion 27
-    buildToolsVersion "27.0.3"
 
     dependencies {
         implementation 'com.android.support:support-annotations:27.1.0'