diff --git a/core/src/main/java/org/kiwix/kiwixmobile/core/error/ErrorActivity.java b/core/src/main/java/org/kiwix/kiwixmobile/core/error/ErrorActivity.java
index c05613754..9dac2af5b 100644
--- a/core/src/main/java/org/kiwix/kiwixmobile/core/error/ErrorActivity.java
+++ b/core/src/main/java/org/kiwix/kiwixmobile/core/error/ErrorActivity.java
@@ -23,11 +23,9 @@ import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.util.Log;
 import android.widget.Button;
 import android.widget.CheckBox;
 import androidx.core.content.ContextCompat;
-import androidx.core.content.FileProvider;
 import butterknife.BindView;
 import java.io.File;
 import java.io.PrintWriter;
diff --git a/core/src/main/java/org/kiwix/kiwixmobile/core/main/KiwixTextToSpeech.java b/core/src/main/java/org/kiwix/kiwixmobile/core/main/KiwixTextToSpeech.java
index 18641ac18..a7ff5f87f 100644
--- a/core/src/main/java/org/kiwix/kiwixmobile/core/main/KiwixTextToSpeech.java
+++ b/core/src/main/java/org/kiwix/kiwixmobile/core/main/KiwixTextToSpeech.java
@@ -21,8 +21,6 @@ import android.annotation.SuppressLint;
 import android.content.Context;
 import android.media.AudioManager;
 import android.media.AudioManager.OnAudioFocusChangeListener;
-import android.os.Build.VERSION;
-import android.os.Build.VERSION_CODES;
 import android.speech.tts.TextToSpeech;
 import android.speech.tts.UtteranceProgressListener;
 import android.util.Log;
diff --git a/core/src/main/java/org/kiwix/kiwixmobile/core/utils/LanguageUtils.kt b/core/src/main/java/org/kiwix/kiwixmobile/core/utils/LanguageUtils.kt
index 29369b3df..9da182b2c 100644
--- a/core/src/main/java/org/kiwix/kiwixmobile/core/utils/LanguageUtils.kt
+++ b/core/src/main/java/org/kiwix/kiwixmobile/core/utils/LanguageUtils.kt
@@ -21,7 +21,6 @@ package org.kiwix.kiwixmobile.core.utils
 import android.content.Context
 import android.content.res.Configuration
 import android.graphics.Typeface
-import android.os.Build
 import android.os.Handler
 import android.util.AttributeSet
 import android.util.Log
diff --git a/lintConfig.xml b/lintConfig.xml
index c729c4651..3e9a845b2 100644
--- a/lintConfig.xml
+++ b/lintConfig.xml
@@ -23,5 +23,8 @@
     <ignore path="src/main/res/drawable/kiwix_icon_with_title.png" />
     <ignore path="src/main/res/drawable/search_widget_preview.png" />
   </issue>
+  <issue id="ConvertToWebp">
+    <ignore path="src/main/res/drawable/search_widget_preview.png" />
+  </issue>
 
 </lint>