diff --git a/app/src/main/java/eu/faircode/email/ActivityBase.java b/app/src/main/java/eu/faircode/email/ActivityBase.java
index e2733d2a3b..d05ba08cfb 100644
--- a/app/src/main/java/eu/faircode/email/ActivityBase.java
+++ b/app/src/main/java/eu/faircode/email/ActivityBase.java
@@ -44,7 +44,6 @@ import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.Window;
-import android.view.WindowInsetsController;
 import android.view.WindowManager;
 import android.widget.Toast;
 
diff --git a/app/src/main/java/eu/faircode/email/ApplicationEx.java b/app/src/main/java/eu/faircode/email/ApplicationEx.java
index df7d53dd42..f8d347a246 100644
--- a/app/src/main/java/eu/faircode/email/ApplicationEx.java
+++ b/app/src/main/java/eu/faircode/email/ApplicationEx.java
@@ -46,7 +46,6 @@ import androidx.core.os.LocaleListCompat;
 import androidx.emoji2.text.DefaultEmojiCompatConfig;
 import androidx.emoji2.text.EmojiCompat;
 import androidx.emoji2.text.FontRequestEmojiCompatConfig;
-import androidx.fragment.app.FragmentManager;
 import androidx.lifecycle.Lifecycle;
 import androidx.lifecycle.LifecycleObserver;
 import androidx.lifecycle.OnLifecycleEvent;
diff --git a/app/src/main/java/eu/faircode/email/FragmentDialogMarkdown.java b/app/src/main/java/eu/faircode/email/FragmentDialogMarkdown.java
index 0ef80e558e..57ee24d1b8 100644
--- a/app/src/main/java/eu/faircode/email/FragmentDialogMarkdown.java
+++ b/app/src/main/java/eu/faircode/email/FragmentDialogMarkdown.java
@@ -28,7 +28,6 @@ import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.WindowManager;
 import android.widget.CheckBox;
 import android.widget.CompoundButton;
 import android.widget.ImageButton;
diff --git a/app/src/main/java/eu/faircode/email/ImageSpanEx.java b/app/src/main/java/eu/faircode/email/ImageSpanEx.java
index 11399c5958..9410490baa 100644
--- a/app/src/main/java/eu/faircode/email/ImageSpanEx.java
+++ b/app/src/main/java/eu/faircode/email/ImageSpanEx.java
@@ -20,7 +20,6 @@ package eu.faircode.email;
 */
 
 import android.graphics.drawable.Drawable;
-import android.text.TextUtils;
 import android.text.style.ImageSpan;
 
 import androidx.annotation.NonNull;
diff --git a/app/src/main/java/eu/faircode/email/OpenAI.java b/app/src/main/java/eu/faircode/email/OpenAI.java
index eda704bf38..7ccf125807 100644
--- a/app/src/main/java/eu/faircode/email/OpenAI.java
+++ b/app/src/main/java/eu/faircode/email/OpenAI.java
@@ -59,7 +59,6 @@ public class OpenAI {
     static final String CONTENT_TEXT = "text";
     static final String CONTENT_IMAGE = "image_url";
 
-    private static final int MAX_OPENAI_LEN = 1000; // characters
     private static final int TIMEOUT = 45; // seconds
     private static final int SCALE2PIXELS = 1440; // medium