diff --git a/app/src/main/java/org/schabi/newpipe/DownloaderImpl.java b/app/src/main/java/org/schabi/newpipe/DownloaderImpl.java
index 5738cf61a..5dd9d1b74 100644
--- a/app/src/main/java/org/schabi/newpipe/DownloaderImpl.java
+++ b/app/src/main/java/org/schabi/newpipe/DownloaderImpl.java
@@ -13,9 +13,10 @@ import java.util.List;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
-import javax.annotation.Nonnull;
+import androidx.annotation.NonNull;
 
 import androidx.annotation.Nullable;
+
 import okhttp3.OkHttpClient;
 import okhttp3.RequestBody;
 import okhttp3.ResponseBody;
@@ -102,7 +103,7 @@ public class DownloaderImpl extends Downloader {
     }
 
     @Override
-    public Response execute(@Nonnull Request request) throws IOException, ReCaptchaException {
+    public Response execute(@NonNull Request request) throws IOException, ReCaptchaException {
         final String httpMethod = request.httpMethod();
         final String url = request.url();
         final Map<String, List<String>> headers = request.headers();
diff --git a/app/src/main/java/org/schabi/newpipe/streams/OggFromWebMWriter.java b/app/src/main/java/org/schabi/newpipe/streams/OggFromWebMWriter.java
index 20e88c4c7..16bffea9a 100644
--- a/app/src/main/java/org/schabi/newpipe/streams/OggFromWebMWriter.java
+++ b/app/src/main/java/org/schabi/newpipe/streams/OggFromWebMWriter.java
@@ -13,7 +13,7 @@ import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 
-import javax.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 /**
  * @author kapodamy