diff --git a/src/main/java/sae/chuzzle/OptionsActivity.java b/src/main/java/sae/chuzzle/OptionsActivity.java
index 9d0bf7d..8841adf 100644
--- a/src/main/java/sae/chuzzle/OptionsActivity.java
+++ b/src/main/java/sae/chuzzle/OptionsActivity.java
@@ -13,9 +13,7 @@ public class OptionsActivity extends Activity
         implements CompoundButton.OnCheckedChangeListener, View.OnClickListener {
 
     private SharedPreferences prefs;
-    private CheckBox checkDaltonien;
     private CheckBox checkHard;
-
     private Button btnRetour;
 
 
@@ -26,23 +24,20 @@ public class OptionsActivity extends Activity
 
         prefs = getSharedPreferences("chuzzle_prefs", MODE_PRIVATE);
 
-        checkDaltonien = findViewById(R.id.checkDaltonien);
+
         checkHard = findViewById(R.id.checkHard);
         btnRetour = findViewById(R.id.btnBack);
 
-        checkDaltonien.setChecked(prefs.getBoolean("daltonien", false));
         checkHard.setChecked(prefs.getBoolean("hard_mode", false));
 
-        checkDaltonien.setOnCheckedChangeListener(this);
+
         checkHard.setOnCheckedChangeListener(this);
         btnRetour.setOnClickListener(this);
     }
 
     @Override
     public void onCheckedChanged(CompoundButton bouton, boolean estCoche) {
-        if (bouton == checkDaltonien) {
-            prefs.edit().putBoolean("daltonien", estCoche).apply();
-        } else if (bouton == checkHard) {
+        if (bouton == checkHard) {
             prefs.edit().putBoolean("hard_mode", estCoche).apply();
         }
     }
diff --git a/src/main/res/layout/activity_options.xml b/src/main/res/layout/activity_options.xml
index 92a86aa..23b7edc 100644
--- a/src/main/res/layout/activity_options.xml
+++ b/src/main/res/layout/activity_options.xml
@@ -14,31 +14,7 @@
         android:gravity="center"
         android:layout_marginBottom="64dp"/>
 
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="horizontal"
-        android:gravity="center_vertical"
-        android:layout_marginBottom="32dp">
 
-        <TextView
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="Mode daltonien (symboles)"
-            android:textSize="18sp"/>
-
-        <CheckBox
-            android:id="@+id/checkDaltonien"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:scaleX="1.5"
-            android:scaleY="1.5"
-            android:layout_marginEnd="16dp"
-            android:minWidth="48dp"
-            android:minHeight="48dp"/>
-
-    </LinearLayout>
 
     <LinearLayout
         android:layout_width="match_parent"