diff --git a/flexbox/build.gradle b/flexbox/build.gradle
index f850cf8..9b70d53 100644
--- a/flexbox/build.gradle
+++ b/flexbox/build.gradle
@@ -10,8 +10,6 @@ android {
         versionCode 1
         versionName "1.0"
 
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-
     }
     buildTypes {
         release {
@@ -23,10 +21,6 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
-        exclude group: 'com.android.support', module: 'support-annotations'
-    })
-    compile 'com.android.support:appcompat-v7:25.3.1'
-    testCompile 'junit:junit:4.12'
+    compile 'com.android.support:appcompat-v7:25.3.0'
     compile 'com.google.android:flexbox:0.2.6'
 }