diff --git a/app/build.gradle b/app/build.gradle
index d38f7c324..99a710f30 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -128,13 +128,6 @@ android {
     }
 }
 
-configurations {
-    freeDebugImplementation
-    freeReleaseImplementation
-    playDebugImplementation
-    playReleaseImplementation
-}
-
 dependencies {
     freeImplementation project(":core")
     // free build hack: skip some dependencies
diff --git a/app/src/main/java/de/danoeh/antennapod/activity/DownloadAuthenticationActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/DownloadAuthenticationActivity.java
index a97c350fb..e726afaec 100644
--- a/app/src/main/java/de/danoeh/antennapod/activity/DownloadAuthenticationActivity.java
+++ b/app/src/main/java/de/danoeh/antennapod/activity/DownloadAuthenticationActivity.java
@@ -3,8 +3,8 @@ package de.danoeh.antennapod.activity;
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v7.app.ActionBarActivity;
-import android.util.Log;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.TextView;