diff --git a/FloconAndroid/datastores-no-op/src/commonMain/kotlin/io/github/openflocon/flocon/preferences/datastores/model/FloconDatastorePreference.kt b/FloconAndroid/datastores-no-op/src/commonMain/kotlin/io/github/openflocon/flocon/preferences/datastores/model/FloconDatastorePreference.kt
index d5f4592fa..5083041cb 100644
--- a/FloconAndroid/datastores-no-op/src/commonMain/kotlin/io/github/openflocon/flocon/preferences/datastores/model/FloconDatastorePreference.kt
+++ b/FloconAndroid/datastores-no-op/src/commonMain/kotlin/io/github/openflocon/flocon/preferences/datastores/model/FloconDatastorePreference.kt
@@ -24,6 +24,10 @@ class FloconDatastorePreference(
         // no op
     }
 
+    override suspend fun remove(columnName: String) {
+        // no op
+    }
+
     override suspend fun columns(): List<String> {
         return emptyList() // no op
     }
diff --git a/FloconAndroid/datastores/src/commonMain/kotlin/io/github/openflocon/flocon/preferences/datastores/model/FloconDatastorePreference.kt b/FloconAndroid/datastores/src/commonMain/kotlin/io/github/openflocon/flocon/preferences/datastores/model/FloconDatastorePreference.kt
index efb24ef9a..80f8a671f 100644
--- a/FloconAndroid/datastores/src/commonMain/kotlin/io/github/openflocon/flocon/preferences/datastores/model/FloconDatastorePreference.kt
+++ b/FloconAndroid/datastores/src/commonMain/kotlin/io/github/openflocon/flocon/preferences/datastores/model/FloconDatastorePreference.kt
@@ -58,6 +58,17 @@ class FloconDatastorePreference(
         }
     }
 
+    override suspend fun remove(columnName: String) {
+        try {
+            dataStore.edit { preferences ->
+                val key = preferences.asMap().keys.find { it.name == columnName } ?: return@edit
+                preferences.remove(key)
+            }
+        } catch (t: Throwable) {
+            FloconLogger.logError(t.message ?: "cannot remove datastore preference", t)
+        }
+    }
+
     override suspend fun columns(): List<String> {
         return try {
             dataStore.data.first().asMap().map { it.key.name }
diff --git a/FloconAndroid/flocon/src/commonMain/kotlin/io/github/openflocon/flocon/Protocol.kt b/FloconAndroid/flocon/src/commonMain/kotlin/io/github/openflocon/flocon/Protocol.kt
index 151444d7e..1e4edfab4 100644
--- a/FloconAndroid/flocon/src/commonMain/kotlin/io/github/openflocon/flocon/Protocol.kt
+++ b/FloconAndroid/flocon/src/commonMain/kotlin/io/github/openflocon/flocon/Protocol.kt
@@ -201,6 +201,7 @@ object Protocol {
                 const val GetSharedPreferences = "get_shared_preferences"
                 const val GetSharedPreferenceValue = "get_shared_preference_value"
                 const val SetSharedPreferenceValue = "set_shared_preference_value"
+                const val RemoveSharedPreferenceValue = "remove_shared_preference_value"
             }
         }
 
diff --git a/FloconAndroid/sample-multiplatform/src/commonMain/kotlin/io/github/openflocon/flocon/myapplication/multi/preferences/SamplePreferences.kt b/FloconAndroid/sample-multiplatform/src/commonMain/kotlin/io/github/openflocon/flocon/myapplication/multi/preferences/SamplePreferences.kt
index 2a26e1760..a6b004140 100644
--- a/FloconAndroid/sample-multiplatform/src/commonMain/kotlin/io/github/openflocon/flocon/myapplication/multi/preferences/SamplePreferences.kt
+++ b/FloconAndroid/sample-multiplatform/src/commonMain/kotlin/io/github/openflocon/flocon/myapplication/multi/preferences/SamplePreferences.kt
@@ -20,12 +20,23 @@ object SamplePreferences : FloconPreference {
 
     private val values = mutableMapOf<String, FloconPreferenceValue>()
 
+    // default keys deleted from the desktop app, until they are set again
+    private val removed = mutableSetOf<String>()
+
     override suspend fun set(columnName: String, value: FloconPreferenceValue) {
         if (columnName == COUNTER) value.intValue?.let { counter = it }
         values[columnName] = value
+        removed -= columnName
+    }
+
+    override suspend fun remove(columnName: String) {
+        if (columnName == COUNTER) counter = 0
+        values -= columnName
+        removed += columnName
     }
 
-    override suspend fun columns(): List<String> = (listOf(COUNTER, "username") + values.keys).distinct()
+    override suspend fun columns(): List<String> =
+        (listOf(COUNTER, "username") + values.keys).distinct() - removed
 
     override suspend fun get(columnName: String): FloconPreferenceValue? = when (columnName) {
         COUNTER -> FloconPreferenceValue(intValue = counter)
diff --git a/FloconAndroid/sharedprefs-no-op/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/model/FloconPreference.kt b/FloconAndroid/sharedprefs-no-op/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/model/FloconPreference.kt
index ee935109f..6f801c7ad 100644
--- a/FloconAndroid/sharedprefs-no-op/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/model/FloconPreference.kt
+++ b/FloconAndroid/sharedprefs-no-op/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/model/FloconPreference.kt
@@ -14,6 +14,12 @@ interface FloconPreference {
         value: FloconPreferenceValue,
     )
 
+    /**
+     * Removes the key, when deleted from the desktop app.
+     * Does nothing by default, override it to support deleting a key.
+     */
+    suspend fun remove(columnName: String) = Unit
+
     suspend fun columns(): List<String>
 
     suspend fun get(
diff --git a/FloconAndroid/sharedprefs/src/androidMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPreference.kt b/FloconAndroid/sharedprefs/src/androidMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPreference.kt
index 1bc2e3047..252fbb9b4 100644
--- a/FloconAndroid/sharedprefs/src/androidMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPreference.kt
+++ b/FloconAndroid/sharedprefs/src/androidMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPreference.kt
@@ -36,6 +36,10 @@ data class FloconSharedPreference(
         editor.apply()
     }
 
+    override suspend fun remove(columnName: String) {
+        sharedPreferences.edit().remove(columnName).apply()
+    }
+
     override suspend fun columns(): List<String> {
         return sharedPreferences.all.keys.toList()
     }
diff --git a/FloconAndroid/sharedprefs/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPrefsPlugin.kt b/FloconAndroid/sharedprefs/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPrefsPlugin.kt
index ae7e4d6a2..150cbcb60 100644
--- a/FloconAndroid/sharedprefs/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPrefsPlugin.kt
+++ b/FloconAndroid/sharedprefs/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPrefsPlugin.kt
@@ -20,6 +20,7 @@ import io.github.openflocon.flocon.plugins.sharedprefs.model.fromdevice.Preferen
 import io.github.openflocon.flocon.plugins.sharedprefs.model.fromdevice.SharedPreferenceValueResultDataModel
 import io.github.openflocon.flocon.plugins.sharedprefs.model.todevice.ToDeviceEditSharedPreferenceValueMessage
 import io.github.openflocon.flocon.plugins.sharedprefs.model.todevice.ToDeviceGetSharedPreferenceValueMessage
+import io.github.openflocon.flocon.plugins.sharedprefs.model.todevice.ToDeviceRemoveSharedPreferenceValueMessage
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.update
 
@@ -110,6 +111,23 @@ internal class FloconSharedPrefsPluginImpl(
                     FloconLogger.logError("SharedPreferences edit error", t)
                 }
             }
+
+            Protocol.ToDevice.SharedPreferences.Method.RemoveSharedPreferenceValue -> {
+                val message = encoder.decode<ToDeviceRemoveSharedPreferenceValueMessage>(body) ?: return
+                val preference = preferences.value[message.sharedPreferenceName] ?: return
+
+                try {
+                    preference.remove(columnName = message.key)
+
+                    // then send the shared pref content
+                    sendPreferenceValues(
+                        preference = preference,
+                        requestId = message.requestId,
+                    )
+                } catch (t: Throwable) {
+                    FloconLogger.logError("SharedPreferences remove error", t)
+                }
+            }
         }
     }
 
diff --git a/FloconAndroid/sharedprefs/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/model/FloconPreference.kt b/FloconAndroid/sharedprefs/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/model/FloconPreference.kt
index ee935109f..6f801c7ad 100644
--- a/FloconAndroid/sharedprefs/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/model/FloconPreference.kt
+++ b/FloconAndroid/sharedprefs/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/model/FloconPreference.kt
@@ -14,6 +14,12 @@ interface FloconPreference {
         value: FloconPreferenceValue,
     )
 
+    /**
+     * Removes the key, when deleted from the desktop app.
+     * Does nothing by default, override it to support deleting a key.
+     */
+    suspend fun remove(columnName: String) = Unit
+
     suspend fun columns(): List<String>
 
     suspend fun get(
diff --git a/FloconAndroid/sharedprefs/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/model/todevice/ToDeviceRemoveSharedPreferenceValueMessage.kt b/FloconAndroid/sharedprefs/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/model/todevice/ToDeviceRemoveSharedPreferenceValueMessage.kt
new file mode 100644
index 000000000..896c9ab72
--- /dev/null
+++ b/FloconAndroid/sharedprefs/src/commonMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/model/todevice/ToDeviceRemoveSharedPreferenceValueMessage.kt
@@ -0,0 +1,10 @@
+package io.github.openflocon.flocon.plugins.sharedprefs.model.todevice
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+internal data class ToDeviceRemoveSharedPreferenceValueMessage(
+    val requestId: String,
+    val sharedPreferenceName: String,
+    val key: String,
+)
diff --git a/FloconAndroid/sharedprefs/src/iosMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPrefsPlugin.ios.kt b/FloconAndroid/sharedprefs/src/iosMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPrefsPlugin.ios.kt
index 28a71b0eb..72239fd7e 100644
--- a/FloconAndroid/sharedprefs/src/iosMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPrefsPlugin.ios.kt
+++ b/FloconAndroid/sharedprefs/src/iosMain/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPrefsPlugin.ios.kt
@@ -51,4 +51,8 @@ private class UserDefaultsPreference(
             ?: return
         defaults.setObject(newValue, forKey = columnName)
     }
+
+    override suspend fun remove(columnName: String) {
+        defaults.removeObjectForKey(columnName)
+    }
 }
diff --git a/FloconAndroid/sharedprefs/src/jvmTest/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPrefsPluginTest.kt b/FloconAndroid/sharedprefs/src/jvmTest/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPrefsPluginTest.kt
index 129f6fce6..1bef326b2 100644
--- a/FloconAndroid/sharedprefs/src/jvmTest/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPrefsPluginTest.kt
+++ b/FloconAndroid/sharedprefs/src/jvmTest/kotlin/io/github/openflocon/flocon/plugins/sharedprefs/FloconSharedPrefsPluginTest.kt
@@ -11,6 +11,7 @@ import kotlinx.coroutines.test.runTest
 import kotlin.test.Test
 import kotlin.test.assertContains
 import kotlin.test.assertEquals
+import kotlin.test.assertFalse
 
 class FloconSharedPrefsPluginTest {
 
@@ -26,10 +27,16 @@ class FloconSharedPrefsPluginTest {
         override val name: String,
         override val type: String = FloconPreferenceType.Custom,
     ) : FloconPreference {
-        val values = mutableMapOf("age" to FloconPreferenceValue(intValue = 34))
+        val values = mutableMapOf(
+            "age" to FloconPreferenceValue(intValue = 34),
+            "token" to FloconPreferenceValue(stringValue = "abc"),
+        )
         override suspend fun set(columnName: String, value: FloconPreferenceValue) {
             values[columnName] = value
         }
+        override suspend fun remove(columnName: String) {
+            values -= columnName
+        }
         override suspend fun columns(): List<String> = values.keys.toList()
         override suspend fun get(columnName: String): FloconPreferenceValue? = values[columnName]
     }
@@ -91,6 +98,40 @@ class FloconSharedPrefsPluginTest {
         assertContains(sender.messages.last().third, "{\"key\":\"age\",\"intValue\":35}")
     }
 
+    @Test
+    fun `removeSharedPreferenceValue removes the key and sends the values`() = runTest {
+        plugin.register(preference)
+
+        plugin.onMessageReceived(
+            method = Protocol.ToDevice.SharedPreferences.Method.RemoveSharedPreferenceValue,
+            body = "{\"requestId\":\"1\",\"sharedPreferenceName\":\"user\",\"key\":\"token\"}",
+        )
+
+        assertFalse("token" in preference.values)
+        val (_, method, body) = sender.messages.last()
+        assertEquals(Protocol.FromDevice.SharedPreferences.Method.GetSharedPreferenceValue, method)
+        assertContains(body, "{\"key\":\"age\",\"intValue\":34}")
+        assertFalse(body.contains("token"))
+    }
+
+    @Test
+    fun `removeSharedPreferenceValue keeps the key when remove is not implemented`() = runTest {
+        val readOnly = object : FloconPreference {
+            override val name: String = "readOnly"
+            override suspend fun set(columnName: String, value: FloconPreferenceValue) = Unit
+            override suspend fun columns(): List<String> = listOf("age")
+            override suspend fun get(columnName: String) = FloconPreferenceValue(intValue = 34)
+        }
+        plugin.register(readOnly)
+
+        plugin.onMessageReceived(
+            method = Protocol.ToDevice.SharedPreferences.Method.RemoveSharedPreferenceValue,
+            body = "{\"requestId\":\"1\",\"sharedPreferenceName\":\"readOnly\",\"key\":\"age\"}",
+        )
+
+        assertContains(sender.messages.last().third, "{\"key\":\"age\",\"intValue\":34}")
+    }
+
     @Test
     fun `key is the plugin name sent by the desktop`() {
         assertEquals(Protocol.ToDevice.SharedPreferences.Plugin, plugin.key)
diff --git a/FloconDesktop/composeApp/src/commonMain/composeResources/values-fr/strings.xml b/FloconDesktop/composeApp/src/commonMain/composeResources/values-fr/strings.xml
index 6001b1df1..8ccb6974d 100644
--- a/FloconDesktop/composeApp/src/commonMain/composeResources/values-fr/strings.xml
+++ b/FloconDesktop/composeApp/src/commonMain/composeResources/values-fr/strings.xml
@@ -356,6 +356,9 @@
     <string name="preference_cancel">Annuler</string>
     <string name="preference_edit">Modifier</string>
     <string name="preference_copy">Copier</string>
+    <string name="preference_delete">Supprimer</string>
+    <string name="preference_delete_title">Supprimer « %1$s » ?</string>
+    <string name="preference_delete_message">La clé est supprimée de l'app. Cette action est définitive.</string>
     <string name="preference_read_only">lecture seule</string>
     <string name="preferences_file_empty_title">%1$s est vide</string>
     <string name="preferences_file_empty_subtitle">L'application n'a encore rien écrit dans ce fichier.</string>
diff --git a/FloconDesktop/composeApp/src/commonMain/composeResources/values/strings.xml b/FloconDesktop/composeApp/src/commonMain/composeResources/values/strings.xml
index 7d12c7576..a3f71f55e 100644
--- a/FloconDesktop/composeApp/src/commonMain/composeResources/values/strings.xml
+++ b/FloconDesktop/composeApp/src/commonMain/composeResources/values/strings.xml
@@ -429,6 +429,9 @@
     <string name="preference_cancel">Cancel</string>
     <string name="preference_edit">Edit</string>
     <string name="preference_copy">Copy</string>
+    <string name="preference_delete">Delete</string>
+    <string name="preference_delete_title">Delete "%1$s"?</string>
+    <string name="preference_delete_message">The key is removed from the app. This can't be undone.</string>
     <string name="preference_read_only">read only</string>
     <string name="preferences_file_empty_title">%1$s is empty</string>
     <string name="preferences_file_empty_subtitle">The app hasn't written anything in this file yet.</string>
diff --git a/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/SharedPreferencesViewModel.kt b/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/SharedPreferencesViewModel.kt
index 10fcd5f7e..a4e20b6ef 100644
--- a/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/SharedPreferencesViewModel.kt
+++ b/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/SharedPreferencesViewModel.kt
@@ -10,6 +10,7 @@ import io.github.openflocon.domain.sharedpreference.models.SharedPreferenceRowDo
 import io.github.openflocon.domain.sharedpreference.usecase.EditSharedPrefFieldUseCase
 import io.github.openflocon.domain.sharedpreference.usecase.GetCurrentDeviceSharedPreferenceValuesUseCase
 import io.github.openflocon.domain.sharedpreference.usecase.ObserveCurrentDeviceSharedPreferenceValuesUseCase
+import io.github.openflocon.domain.sharedpreference.usecase.RemoveSharedPrefFieldUseCase
 import io.github.openflocon.flocondesktop.features.sharedpreferences.delegate.SharedPrefSelectorDelegate
 import io.github.openflocon.flocondesktop.features.sharedpreferences.model.DeviceSharedPrefUiModel
 import io.github.openflocon.flocondesktop.features.sharedpreferences.model.SharedPreferencesRowUiModel
@@ -39,6 +40,7 @@ class SharedPreferencesViewModel(
     private val sharedPrefSelectorDelegate: SharedPrefSelectorDelegate,
     private val observeCurrentDeviceSharedPreferenceValuesUseCase: ObserveCurrentDeviceSharedPreferenceValuesUseCase,
     private val editSharedPrefFieldUseCase: EditSharedPrefFieldUseCase,
+    private val removeSharedPrefFieldUseCase: RemoveSharedPrefFieldUseCase,
     private val getCurrentDeviceSharedPrefValuesUseCase: GetCurrentDeviceSharedPreferenceValuesUseCase,
     private val navigationState: MainFloconNavigationState,
 ) : ViewModel() {
@@ -194,6 +196,13 @@ class SharedPreferencesViewModel(
         navigationState.navigate(SharedPreferencesRoutes.Edit(row.key))
     }
 
+    // the device answers with the refreshed values, like after an edit
+    fun onDeleteClicked(row: SharedPreferencesRowUiModel) {
+        viewModelScope.launch(dispatcherProvider.viewModel) {
+            removeSharedPrefFieldUseCase(row.key)
+        }
+    }
+
     fun onCopyClicked(row: SharedPreferencesRowUiModel) {
         viewModelScope.launch {
             copyToClipboard(row.value.asString())
diff --git a/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/view/SharedPreferenceDeleteDialog.kt b/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/view/SharedPreferenceDeleteDialog.kt
new file mode 100644
index 000000000..fe1e7a1f5
--- /dev/null
+++ b/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/view/SharedPreferenceDeleteDialog.kt
@@ -0,0 +1,96 @@
+package io.github.openflocon.flocondesktop.features.sharedpreferences.view
+
+import androidx.compose.desktop.ui.tooling.preview.Preview
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import flocondesktop.composeapp.generated.resources.Res
+import flocondesktop.composeapp.generated.resources.preference_cancel
+import flocondesktop.composeapp.generated.resources.preference_delete
+import flocondesktop.composeapp.generated.resources.preference_delete_message
+import flocondesktop.composeapp.generated.resources.preference_delete_title
+import io.github.openflocon.library.designsystem.FloconTheme
+import io.github.openflocon.library.designsystem.components.FloconButton
+import io.github.openflocon.library.designsystem.components.FloconDialog
+import io.github.openflocon.library.designsystem.components.FloconDialogHeader
+import io.github.openflocon.library.designsystem.components.FloconOutlinedButton
+import org.jetbrains.compose.resources.stringResource
+
+@Composable
+fun SharedPreferenceDeleteDialog(
+    key: String,
+    onConfirm: () -> Unit,
+    onDismiss: () -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    FloconDialog(
+        onDismissRequest = onDismiss,
+        modifier = modifier,
+    ) {
+        SharedPreferenceDeleteContent(
+            key = key,
+            onConfirm = onConfirm,
+            onDismiss = onDismiss,
+        )
+    }
+}
+
+@Composable
+private fun SharedPreferenceDeleteContent(
+    key: String,
+    onConfirm: () -> Unit,
+    onDismiss: () -> Unit,
+) {
+    Column {
+        FloconDialogHeader(
+            title = stringResource(Res.string.preference_delete_title, key),
+            modifier = Modifier.fillMaxWidth(),
+        )
+        Column(
+            verticalArrangement = Arrangement.spacedBy(FloconTheme.spacing.medium),
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = FloconTheme.spacing.large)
+                .padding(bottom = FloconTheme.spacing.medium),
+        ) {
+            Text(
+                text = stringResource(Res.string.preference_delete_message),
+                style = FloconTheme.typography.bodyMedium,
+                color = FloconTheme.colors.inkMuted,
+            )
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(FloconTheme.spacing.small, Alignment.End),
+                verticalAlignment = Alignment.CenterVertically,
+                modifier = Modifier.fillMaxWidth(),
+            ) {
+                FloconOutlinedButton(onClick = onDismiss) {
+                    Text(stringResource(Res.string.preference_cancel))
+                }
+                FloconButton(
+                    onClick = onConfirm,
+                    containerColor = FloconTheme.colors.statusError,
+                ) {
+                    Text(stringResource(Res.string.preference_delete))
+                }
+            }
+        }
+    }
+}
+
+@Preview
+@Composable
+private fun SharedPreferenceDeleteContentPreview() {
+    FloconTheme {
+        SharedPreferenceDeleteContent(
+            key = "user_token",
+            onConfirm = {},
+            onDismiss = {},
+        )
+    }
+}
diff --git a/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/view/SharedPreferenceRow.kt b/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/view/SharedPreferenceRow.kt
index 33462d03c..a97606b06 100644
--- a/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/view/SharedPreferenceRow.kt
+++ b/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/view/SharedPreferenceRow.kt
@@ -56,6 +56,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberUpdatedState
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -85,10 +86,12 @@ import flocondesktop.composeapp.generated.resources.Res
 import flocondesktop.composeapp.generated.resources.preference_cancel
 import flocondesktop.composeapp.generated.resources.preference_copy
 import flocondesktop.composeapp.generated.resources.preference_decrement
+import flocondesktop.composeapp.generated.resources.preference_delete
 import flocondesktop.composeapp.generated.resources.preference_edit
 import flocondesktop.composeapp.generated.resources.preference_increment
 import flocondesktop.composeapp.generated.resources.preference_read_only
 import flocondesktop.composeapp.generated.resources.preference_save
+import io.github.openflocon.flocondesktop.common.ui.ContextualMenu
 import io.github.openflocon.flocondesktop.features.sharedpreferences.model.PreferenceValueTypeUiModel
 import io.github.openflocon.flocondesktop.features.sharedpreferences.model.SharedPreferencesRowUiModel
 import io.github.openflocon.flocondesktop.features.sharedpreferences.model.asString
@@ -100,8 +103,10 @@ import io.github.openflocon.flocondesktop.features.sharedpreferences.model.previ
 import io.github.openflocon.flocondesktop.features.sharedpreferences.model.previewSharedPreferencesStringRowUiModel
 import io.github.openflocon.flocondesktop.features.sharedpreferences.model.previewSharedPreferencesStringSetRowUiModel
 import io.github.openflocon.library.designsystem.FloconTheme
+import io.github.openflocon.library.designsystem.common.FloconContextMenuItem
 import io.github.openflocon.library.designsystem.components.FloconIcon
 import io.github.openflocon.library.designsystem.components.WithTooltip
+import kotlinx.collections.immutable.persistentListOf
 import org.jetbrains.compose.resources.stringResource
 
 private val ActionSize = 30.dp
@@ -112,6 +117,37 @@ private val MonoSmall = 12.sp
 
 @Composable
 fun SharedPreferenceRow(
+    model: SharedPreferencesRowUiModel,
+    isExpanded: Boolean,
+    onToggleExpanded: (key: String) -> Unit,
+    onValueChanged: (row: SharedPreferencesRowUiModel, valueString: String) -> Unit,
+    onEditClicked: (row: SharedPreferencesRowUiModel) -> Unit,
+    onCopyClicked: (row: SharedPreferencesRowUiModel) -> Unit,
+    onDeleteClicked: (row: SharedPreferencesRowUiModel) -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    val deleteLabel = stringResource(Res.string.preference_delete)
+    val onDelete by rememberUpdatedState(onDeleteClicked)
+    val menuItems = remember(model, deleteLabel) {
+        persistentListOf<FloconContextMenuItem>(
+            FloconContextMenuItem.Item(label = deleteLabel, onClick = { onDelete(model) }),
+        )
+    }
+    ContextualMenu(items = menuItems) {
+        SharedPreferenceRowContent(
+            model = model,
+            isExpanded = isExpanded,
+            onToggleExpanded = onToggleExpanded,
+            onValueChanged = onValueChanged,
+            onEditClicked = onEditClicked,
+            onCopyClicked = onCopyClicked,
+            modifier = modifier,
+        )
+    }
+}
+
+@Composable
+private fun SharedPreferenceRowContent(
     model: SharedPreferencesRowUiModel,
     isExpanded: Boolean,
     onToggleExpanded: (key: String) -> Unit,
@@ -650,6 +686,7 @@ private fun PreviewRow(model: SharedPreferencesRowUiModel, isExpanded: Boolean =
                 onValueChanged = { _, _ -> },
                 onEditClicked = {},
                 onCopyClicked = {},
+                onDeleteClicked = {},
             )
         }
     }
diff --git a/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/view/SharedPreferencesScreen.kt b/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/view/SharedPreferencesScreen.kt
index ae354c855..7757cd2af 100644
--- a/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/view/SharedPreferencesScreen.kt
+++ b/FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/sharedpreferences/view/SharedPreferencesScreen.kt
@@ -81,6 +81,7 @@ fun SharedPreferencesScreen(modifier: Modifier = Modifier) {
         changeValue = viewModel::onValueChanged,
         onEditClicked = viewModel::onEditClicked,
         onCopyClicked = viewModel::onCopyClicked,
+        onDeleteClicked = viewModel::onDeleteClicked,
         autoUpdateState = autoUpdateState,
         onAutoUpdateChange = viewModel::onAutoUpdateChange,
         onAutoUpdateDelayChanged = viewModel::onAutoUpdateDelayChanged,
@@ -96,6 +97,7 @@ fun SharedPrefScreen(
     changeValue: (SharedPreferencesRowUiModel, String) -> Unit,
     onEditClicked: (row: SharedPreferencesRowUiModel) -> Unit,
     onCopyClicked: (row: SharedPreferencesRowUiModel) -> Unit,
+    onDeleteClicked: (row: SharedPreferencesRowUiModel) -> Unit,
     autoUpdateState: PreferenceAutoUpdate,
     onAutoUpdateChange: (Boolean) -> Unit,
     onAutoUpdateDelayChanged: (delay: Int) -> Unit,
@@ -112,6 +114,8 @@ fun SharedPrefScreen(
     }
     // UI only: the collapsible rows (json, long text) currently expanded, by key
     var expandedKeys by remember(deviceSharedPrefs) { mutableStateOf(emptySet<String>()) }
+    // UI only: the row waiting for the delete confirmation
+    var rowToDelete by remember { mutableStateOf<SharedPreferencesRowUiModel?>(null) }
     val lazyListState = rememberLazyListState()
     val scrollAdapter = rememberFloconScrollbarAdapter(lazyListState)
 
@@ -180,6 +184,7 @@ fun SharedPrefScreen(
                                 onValueChanged = changeValue,
                                 onEditClicked = onEditClicked,
                                 onCopyClicked = onCopyClicked,
+                                onDeleteClicked = { row -> rowToDelete = row },
                             )
                         }
                     }
@@ -208,6 +213,17 @@ fun SharedPrefScreen(
             }
         }
     }
+
+    rowToDelete?.let { row ->
+        SharedPreferenceDeleteDialog(
+            key = row.key,
+            onConfirm = {
+                onDeleteClicked(row)
+                rowToDelete = null
+            },
+            onDismiss = { rowToDelete = null },
+        )
+    }
 }
 
 @Composable
@@ -254,6 +270,7 @@ private fun SharedPrefScreenPreview() {
             changeValue = { _, _ -> },
             onEditClicked = {},
             onCopyClicked = {},
+            onDeleteClicked = {},
             autoUpdateState = PreferenceAutoUpdate.Disabled,
             onAutoUpdateChange = {},
             onAutoUpdateDelayChanged = {},
diff --git a/FloconDesktop/data/core/src/commonMain/kotlin/io/github/openflocon/data/core/sharedpreference/datasource/DeviceSharedPreferencesRemoteDataSource.kt b/FloconDesktop/data/core/src/commonMain/kotlin/io/github/openflocon/data/core/sharedpreference/datasource/DeviceSharedPreferencesRemoteDataSource.kt
index e2811f3f4..32409cd61 100644
--- a/FloconDesktop/data/core/src/commonMain/kotlin/io/github/openflocon/data/core/sharedpreference/datasource/DeviceSharedPreferencesRemoteDataSource.kt
+++ b/FloconDesktop/data/core/src/commonMain/kotlin/io/github/openflocon/data/core/sharedpreference/datasource/DeviceSharedPreferencesRemoteDataSource.kt
@@ -25,6 +25,12 @@ interface DeviceSharedPreferencesRemoteDataSource {
         value: SharedPreferenceRowDomainModel.Value,
     )
 
+    suspend fun removeSharedPrefField(
+        deviceIdAndPackageName: DeviceIdAndPackageNameDomainModel,
+        sharedPreference: DeviceSharedPreferenceDomainModel,
+        key: String,
+    )
+
     fun getPreferences(message: FloconIncomingMessageDomainModel): List<DeviceSharedPreferenceDomainModel>
 
     fun getValues(message: FloconIncomingMessageDomainModel): SharedPreferenceValuesResponseDomainModel?
diff --git a/FloconDesktop/data/core/src/commonMain/kotlin/io/github/openflocon/data/core/sharedpreference/repository/SharedPreferencesRepositoryImpl.kt b/FloconDesktop/data/core/src/commonMain/kotlin/io/github/openflocon/data/core/sharedpreference/repository/SharedPreferencesRepositoryImpl.kt
index 85a913299..7a25e1d0c 100644
--- a/FloconDesktop/data/core/src/commonMain/kotlin/io/github/openflocon/data/core/sharedpreference/repository/SharedPreferencesRepositoryImpl.kt
+++ b/FloconDesktop/data/core/src/commonMain/kotlin/io/github/openflocon/data/core/sharedpreference/repository/SharedPreferencesRepositoryImpl.kt
@@ -128,4 +128,18 @@ class SharedPreferencesRepositoryImpl(
             )
         }
     }
+
+    override suspend fun removeSharedPrefField(
+        deviceIdAndPackageName: DeviceIdAndPackageNameDomainModel,
+        sharedPreference: DeviceSharedPreferenceDomainModel,
+        key: String,
+    ) {
+        withContext(dispatcherProvider.data) {
+            remote.removeSharedPrefField(
+                deviceIdAndPackageName = deviceIdAndPackageName,
+                sharedPreference = sharedPreference,
+                key = key,
+            )
+        }
+    }
 }
diff --git a/FloconDesktop/data/remote/src/commonMain/kotlin/com/flocon/data/remote/sharedpreference/datasource/DeviceSharedPreferencesRemoteDataSourceImpl.kt b/FloconDesktop/data/remote/src/commonMain/kotlin/com/flocon/data/remote/sharedpreference/datasource/DeviceSharedPreferencesRemoteDataSourceImpl.kt
index 722ced590..41b4e3858 100644
--- a/FloconDesktop/data/remote/src/commonMain/kotlin/com/flocon/data/remote/sharedpreference/datasource/DeviceSharedPreferencesRemoteDataSourceImpl.kt
+++ b/FloconDesktop/data/remote/src/commonMain/kotlin/com/flocon/data/remote/sharedpreference/datasource/DeviceSharedPreferencesRemoteDataSourceImpl.kt
@@ -10,6 +10,7 @@ import com.flocon.data.remote.sharedpreference.mapper.toSharedPreferenceValuesRe
 import com.flocon.data.remote.sharedpreference.models.DeviceSharedPreferenceDataModel
 import com.flocon.data.remote.sharedpreference.models.ToDeviceEditSharedPreferenceValueMessage
 import com.flocon.data.remote.sharedpreference.models.ToDeviceGetSharedPreferenceValueMessage
+import com.flocon.data.remote.sharedpreference.models.ToDeviceRemoveSharedPreferenceValueMessage
 import com.flocon.data.remote.sharedpreference.models.toDeviceSharedPreferenceDomain
 import io.github.openflocon.data.core.sharedpreference.datasource.DeviceSharedPreferencesRemoteDataSource
 import io.github.openflocon.domain.Protocol
@@ -88,6 +89,28 @@ class DeviceSharedPreferencesRemoteDataSourceImpl(
         )
     }
 
+    override suspend fun removeSharedPrefField(
+        deviceIdAndPackageName: DeviceIdAndPackageNameDomainModel,
+        sharedPreference: DeviceSharedPreferenceDomainModel,
+        key: String,
+    ) {
+        val requestId = newRequestId()
+        server.sendMessageToClient(
+            deviceIdAndPackageName = deviceIdAndPackageName.toRemote(),
+            message = FloconOutgoingMessageDataModel(
+                plugin = Protocol.ToDevice.SharedPreferences.Plugin,
+                method = Protocol.ToDevice.SharedPreferences.Method.RemoveSharedPreferenceValue,
+                body = Json.encodeToString(
+                    ToDeviceRemoveSharedPreferenceValueMessage(
+                        requestId = requestId,
+                        sharedPreferenceName = sharedPreference.id,
+                        key = key,
+                    ),
+                ),
+            ),
+        )
+    }
+
     override fun getPreferences(message: FloconIncomingMessageDomainModel): List<DeviceSharedPreferenceDomainModel> = json.safeDecodeFromString<List<DeviceSharedPreferenceDataModel>>(message.body)
         ?.let { toDeviceSharedPreferenceDomain(it) }
         .orEmpty()
diff --git a/FloconDesktop/data/remote/src/commonMain/kotlin/com/flocon/data/remote/sharedpreference/models/ToDeviceRemoveSharedPreferenceValueMessage.kt b/FloconDesktop/data/remote/src/commonMain/kotlin/com/flocon/data/remote/sharedpreference/models/ToDeviceRemoveSharedPreferenceValueMessage.kt
new file mode 100644
index 000000000..24ec6dfc8
--- /dev/null
+++ b/FloconDesktop/data/remote/src/commonMain/kotlin/com/flocon/data/remote/sharedpreference/models/ToDeviceRemoveSharedPreferenceValueMessage.kt
@@ -0,0 +1,10 @@
+package com.flocon.data.remote.sharedpreference.models
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class ToDeviceRemoveSharedPreferenceValueMessage(
+    val requestId: String,
+    val sharedPreferenceName: String,
+    val key: String,
+)
diff --git a/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/Protocol.kt b/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/Protocol.kt
index 53286d54c..d984ec620 100644
--- a/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/Protocol.kt
+++ b/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/Protocol.kt
@@ -201,6 +201,7 @@ object Protocol {
                 const val GetSharedPreferences = "get_shared_preferences"
                 const val GetSharedPreferenceValue = "get_shared_preference_value"
                 const val SetSharedPreferenceValue = "set_shared_preference_value"
+                const val RemoveSharedPreferenceValue = "remove_shared_preference_value"
             }
         }
 
diff --git a/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/sharedpreference/DI.kt b/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/sharedpreference/DI.kt
index 47c0d20ad..9d823ddd0 100644
--- a/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/sharedpreference/DI.kt
+++ b/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/sharedpreference/DI.kt
@@ -7,6 +7,7 @@ import io.github.openflocon.domain.sharedpreference.usecase.GetCurrentDeviceShar
 import io.github.openflocon.domain.sharedpreference.usecase.ObserveCurrentDeviceSelectedSharedPreferenceUseCase
 import io.github.openflocon.domain.sharedpreference.usecase.ObserveCurrentDeviceSharedPreferenceValuesUseCase
 import io.github.openflocon.domain.sharedpreference.usecase.ObserveDeviceSharedPreferencesUseCase
+import io.github.openflocon.domain.sharedpreference.usecase.RemoveSharedPrefFieldUseCase
 import io.github.openflocon.domain.sharedpreference.usecase.SelectCurrentDeviceSharedPreferenceUseCase
 import org.koin.core.module.dsl.factoryOf
 import org.koin.dsl.module
@@ -20,4 +21,5 @@ internal val sharedPreferencesModule = module {
     factoryOf(::GetCurrentDeviceSharedPreferenceValuesUseCase)
     factoryOf(::ObserveCurrentDeviceSharedPreferenceValuesUseCase)
     factoryOf(::EditSharedPrefFieldUseCase)
+    factoryOf(::RemoveSharedPrefFieldUseCase)
 }
diff --git a/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/sharedpreference/repository/SharedPreferencesRepository.kt b/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/sharedpreference/repository/SharedPreferencesRepository.kt
index d39745376..a1983cc85 100644
--- a/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/sharedpreference/repository/SharedPreferencesRepository.kt
+++ b/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/sharedpreference/repository/SharedPreferencesRepository.kt
@@ -39,4 +39,10 @@ interface SharedPreferencesRepository {
         key: String,
         value: SharedPreferenceRowDomainModel.Value,
     )
+
+    suspend fun removeSharedPrefField(
+        deviceIdAndPackageName: DeviceIdAndPackageNameDomainModel,
+        sharedPreference: DeviceSharedPreferenceDomainModel,
+        key: String,
+    )
 }
diff --git a/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/sharedpreference/usecase/RemoveSharedPrefFieldUseCase.kt b/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/sharedpreference/usecase/RemoveSharedPrefFieldUseCase.kt
new file mode 100644
index 000000000..8d0a9656b
--- /dev/null
+++ b/FloconDesktop/domain/src/commonMain/kotlin/io/github/openflocon/domain/sharedpreference/usecase/RemoveSharedPrefFieldUseCase.kt
@@ -0,0 +1,21 @@
+package io.github.openflocon.domain.sharedpreference.usecase
+
+import io.github.openflocon.domain.device.usecase.GetCurrentDeviceIdAndPackageNameUseCase
+import io.github.openflocon.domain.sharedpreference.repository.SharedPreferencesRepository
+
+class RemoveSharedPrefFieldUseCase(
+    private val getCurrentDeviceIdAndPackageNameUseCase: GetCurrentDeviceIdAndPackageNameUseCase,
+    private val getCurrentDeviceSelectedSharedPreferenceUseCase: GetCurrentDeviceSelectedSharedPreferenceUseCase,
+    private val sharedPreferencesRepository: SharedPreferencesRepository,
+) {
+    suspend operator fun invoke(key: String) {
+        val current = getCurrentDeviceIdAndPackageNameUseCase() ?: return
+        val selectedSharedPreference = getCurrentDeviceSelectedSharedPreferenceUseCase() ?: return
+
+        sharedPreferencesRepository.removeSharedPrefField(
+            deviceIdAndPackageName = current,
+            sharedPreference = selectedSharedPreference,
+            key = key,
+        )
+    }
+}
diff --git a/FloconDesktop/mcp/src/desktopTest/kotlin/io/github/openflocon/mcp/sharedpreferences/SharedPreferencesMcpToolProviderTest.kt b/FloconDesktop/mcp/src/desktopTest/kotlin/io/github/openflocon/mcp/sharedpreferences/SharedPreferencesMcpToolProviderTest.kt
index 90f0bfbb9..0f274710c 100644
--- a/FloconDesktop/mcp/src/desktopTest/kotlin/io/github/openflocon/mcp/sharedpreferences/SharedPreferencesMcpToolProviderTest.kt
+++ b/FloconDesktop/mcp/src/desktopTest/kotlin/io/github/openflocon/mcp/sharedpreferences/SharedPreferencesMcpToolProviderTest.kt
@@ -169,4 +169,10 @@ private class FakeSharedPreferencesRepository(
         key: String,
         value: Value,
     ) = error("not used")
+
+    override suspend fun removeSharedPrefField(
+        deviceIdAndPackageName: DeviceIdAndPackageNameDomainModel,
+        sharedPreference: DeviceSharedPreferenceDomainModel,
+        key: String,
+    ) = error("not used")
 }
diff --git a/docs/sharedpref.md b/docs/sharedpref.md
index c5eddca9a..8cc24fd95 100644
--- a/docs/sharedpref.md
+++ b/docs/sharedpref.md
@@ -17,6 +17,7 @@ Features:
 - **Auto-Discovery**: Automatically finds and lists default `SharedPreferences` files on Android.
 - **DataStore Support**: Seamlessly browse and mutate `PreferencesDataStore` keys.
 - **Live Mutation**: Edit booleans, numbers, strings, and JSON objects in real-time.
+- **Delete a key**: Right-click a row and choose **Delete**, then confirm. The key is removed from the app (SharedPreferences, DataStore and iOS UserDefaults).
 
 ---
 
@@ -80,6 +81,11 @@ class MyCustomPreference : FloconPreference {
     override suspend fun set(columnName: String, value: FloconPreferenceValue) {
         writeSecureKey(columnName, value.stringValue)
     }
+
+    // optional: called when a key is deleted from the desktop (does nothing by default)
+    override suspend fun remove(columnName: String) {
+        deleteSecureKey(columnName)
+    }
 }
 
 floconRegisterPreference(MyCustomPreference())
diff --git a/protocol/shared-preferences.md b/protocol/shared-preferences.md
index f4322c53a..bd5daa6c2 100644
--- a/protocol/shared-preferences.md
+++ b/protocol/shared-preferences.md
@@ -8,6 +8,7 @@
 | Mobile → Desktop | `get_shared_preferences`     | `List<Preference>`           |
 | Desktop → Mobile | `get_shared_preference_value` | `GetValuesRequest`           |
 | Desktop → Mobile | `set_shared_preference_value` | `SetValueRequest`            |
+| Desktop → Mobile | `remove_shared_preference_value` | `RemoveValueRequest`      |
 | Mobile → Desktop | `get_shared_preference_value` | `ValuesResult`               |
 
 ## `get_shared_preferences`
@@ -63,6 +64,22 @@ Updates one key, then the mobile answers with `get_shared_preference_value` (ful
 { "requestId": "9a7c…", "sharedPreferenceName": "session", "key": "isLogged", "booleanValue": false }
 ```
 
+## `remove_shared_preference_value` (Desktop → Mobile)
+
+Removes one key, then the mobile answers with `get_shared_preference_value` (full content). Older SDKs ignore this method.
+
+### `RemoveValueRequest`
+
+| Key                    | Type     | Description       |
+|------------------------|----------|-------------------|
+| `requestId`            | `String` | Request id        |
+| `sharedPreferenceName` | `String` | Preference `name` |
+| `key`                  | `String` | Key to remove     |
+
+```json
+{ "requestId": "9a7c…", "sharedPreferenceName": "session", "key": "token" }
+```
+
 ## `get_shared_preference_value` (Mobile → Desktop)
 
 ### `ValuesResult`