diff --git a/PremiereActivite/app/build.gradle b/PremiereActivite/app/build.gradle
index 62ad006..de07308 100644
--- a/PremiereActivite/app/build.gradle
+++ b/PremiereActivite/app/build.gradle
@@ -6,22 +6,22 @@ android {
 
     defaultConfig {
         applicationId "com.example.app_10p5"
-        minSdkVersion 21
+        minSdkVersion 17
         targetSdkVersion 23
         versionCode 1
         versionName "1.0"
     }
     buildTypes {
         release {
-            minifyEnabled true
+            minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            zipAlignEnabled true
         }
     }
 }
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    testCompile 'junit:junit:4.12'
     compile 'com.android.support:design:23.3.0'
     compile 'com.android.support:support-v13:23.3.0'
 }
diff --git a/PremiereActivite/app/src/androidTest/java/com/example/florian/premiereactivite/ApplicationTest.java b/PremiereActivite/app/src/androidTest/java/com/example/florian/premiereactivite/ApplicationTest.java
deleted file mode 100644
index f2f2733..0000000
--- a/PremiereActivite/app/src/androidTest/java/com/example/florian/premiereactivite/ApplicationTest.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.example.florian.premiereactivite;
-
-import android.app.Application;
-import android.test.ApplicationTestCase;
-
-/**
- * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
- */
-public class ApplicationTest extends ApplicationTestCase<Application> {
-    public ApplicationTest() {
-        super(Application.class);
-    }
-}
\ No newline at end of file
diff --git a/PremiereActivite/app/src/test/java/com/example/florian/premiereactivite/ExampleUnitTest.java b/PremiereActivite/app/src/test/java/com/example/florian/premiereactivite/ExampleUnitTest.java
deleted file mode 100644
index 1dbb9bc..0000000
--- a/PremiereActivite/app/src/test/java/com/example/florian/premiereactivite/ExampleUnitTest.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package com.example.florian.premiereactivite;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * To work on unit tests, switch the Test Artifact in the Build Variants view.
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() throws Exception {
-        assertEquals(4, 2 + 2);
-    }
-}
\ No newline at end of file
--
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