diff --git a/app/src/main/java/ru/vtosters/lite/ui/activities/APKInstallActivity.java b/app/src/main/java/ru/vtosters/lite/ui/activities/APKInstallActivity.java
index 3dd5f7987..5fddc903e 100644
--- a/app/src/main/java/ru/vtosters/lite/ui/activities/APKInstallActivity.java
+++ b/app/src/main/java/ru/vtosters/lite/ui/activities/APKInstallActivity.java
@@ -6,11 +6,9 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
+import android.support.v7.app.AppCompatActivity;
 import android.widget.Toast;
 
-import androidx.annotation.Nullable;
-import androidx.appcompat.app.AppCompatActivity;
-
 public class APKInstallActivity extends AppCompatActivity {
     public static final int REQUEST_INSTALL_PERMISSION = 1;
 
@@ -28,7 +26,7 @@ public class APKInstallActivity extends AppCompatActivity {
     }
 
     @Override
-    public void onCreate(@Nullable Bundle savedInstanceState) {
+    public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
         Intent intent = getIntent();
@@ -73,7 +71,7 @@ public class APKInstallActivity extends AppCompatActivity {
 
 
     @Override
-    public void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
 
         if (requestCode == REQUEST_INSTALL_PERMISSION)