diff --git a/app/src/main/java/protect/card_locker/ImportExportActivity.java b/app/src/main/java/protect/card_locker/ImportExportActivity.java
index ee230b49e..22978fb86 100644
--- a/app/src/main/java/protect/card_locker/ImportExportActivity.java
+++ b/app/src/main/java/protect/card_locker/ImportExportActivity.java
@@ -30,7 +30,6 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.InputStream;
-import java.io.InputStreamReader;
 import java.util.List;
 
 public class ImportExportActivity extends AppCompatActivity
@@ -341,7 +340,7 @@ public class ImportExportActivity extends AppCompatActivity
                     Uri outputUri = FileProvider.getUriForFile(ImportExportActivity.this, BuildConfig.APPLICATION_ID, path);
                     Intent sendIntent = new Intent(Intent.ACTION_SEND);
                     sendIntent.putExtra(Intent.EXTRA_STREAM, outputUri);
-                    sendIntent.setType("text/plain");
+                    sendIntent.setType("text/csv");
 
                     // set flag to give temporary permission to external app to use the FileProvider
                     sendIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
diff --git a/app/src/main/java/protect/card_locker/MainActivity.java b/app/src/main/java/protect/card_locker/MainActivity.java
index 2bf8dafaa..1fcc445ff 100644
--- a/app/src/main/java/protect/card_locker/MainActivity.java
+++ b/app/src/main/java/protect/card_locker/MainActivity.java
@@ -7,10 +7,7 @@ import android.content.ClipboardManager;
 import android.content.SharedPreferences;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
-import android.content.pm.ShortcutInfo;
-import android.content.pm.ShortcutManager;
 import android.database.Cursor;
-import android.os.Build;
 import android.os.Bundle;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
@@ -30,7 +27,6 @@ import android.widget.Toast;
 import com.google.common.collect.ImmutableMap;
 
 import java.util.Calendar;
-import java.util.List;
 import java.util.Map;
 
 import protect.card_locker.intro.IntroActivity;
diff --git a/app/src/main/java/protect/card_locker/intro/IntroActivity.java b/app/src/main/java/protect/card_locker/intro/IntroActivity.java
index 04e18cfa3..d34b0b05d 100644
--- a/app/src/main/java/protect/card_locker/intro/IntroActivity.java
+++ b/app/src/main/java/protect/card_locker/intro/IntroActivity.java
@@ -1,13 +1,10 @@
 package protect.card_locker.intro;
 
 import android.os.Bundle;
-import android.support.annotation.LayoutRes;
 import android.support.v4.app.Fragment;
 
 import com.github.paolorotolo.appintro.AppIntro;
 
-import protect.card_locker.R;
-
 
 public class IntroActivity extends AppIntro
 {