diff --git a/app/build.gradle b/app/build.gradle
index fd862e6d..75ec486b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -26,7 +26,6 @@ dependencies {
     compile 'me.dm7.barcodescanner:zxing:1.9'
     compile 'com.android.support:cardview-v7:24.1.1'
     compile 'com.android.support:recyclerview-v7:24.1.1'
-    compile 'com.android.support.constraint:constraint-layout:1.0.0-alpha7'
     compile 'com.android.support:support-v4:24.1.1'
     compile 'com.android.support:recyclerview-v7:24.1.1'
     compile 'com.yarolegovich:lovely-dialog:1.0.4'