diff --git a/app/src/main/java/de/jrpie/android/launcher/Application.kt b/app/src/main/java/de/jrpie/android/launcher/Application.kt
index e0d1d00..ba47942 100644
--- a/app/src/main/java/de/jrpie/android/launcher/Application.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/Application.kt
@@ -28,7 +28,7 @@ import kotlinx.coroutines.launch
 import kotlin.system.exitProcess
 
 
-const val APP_WIDGET_HOST_ID = 42;
+const val APP_WIDGET_HOST_ID = 42
 
 
 class Application : android.app.Application() {
diff --git a/app/src/main/java/de/jrpie/android/launcher/actions/TorchManager.kt b/app/src/main/java/de/jrpie/android/launcher/actions/TorchManager.kt
index 6768116..a2ea801 100644
--- a/app/src/main/java/de/jrpie/android/launcher/actions/TorchManager.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/actions/TorchManager.kt
@@ -1,7 +1,6 @@
 package de.jrpie.android.launcher.actions
 
 import android.content.Context
-import android.hardware.camera2.CameraAccessException
 import android.hardware.camera2.CameraCharacteristics
 import android.hardware.camera2.CameraManager
 import android.os.Build
diff --git a/app/src/main/java/de/jrpie/android/launcher/actions/lock/LockMethod.kt b/app/src/main/java/de/jrpie/android/launcher/actions/lock/LockMethod.kt
index 93b4cbf..541510a 100644
--- a/app/src/main/java/de/jrpie/android/launcher/actions/lock/LockMethod.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/actions/lock/LockMethod.kt
@@ -6,7 +6,6 @@ import android.widget.Button
 import androidx.appcompat.app.AlertDialog
 import de.jrpie.android.launcher.BuildConfig
 import de.jrpie.android.launcher.R
-import de.jrpie.android.launcher.actions.lock.LauncherAccessibilityService
 import de.jrpie.android.launcher.preferences.LauncherPreferences
 
 
diff --git a/app/src/main/java/de/jrpie/android/launcher/preferences/legacy/Version4.kt b/app/src/main/java/de/jrpie/android/launcher/preferences/legacy/Version4.kt
index b13978b..fb353d5 100644
--- a/app/src/main/java/de/jrpie/android/launcher/preferences/legacy/Version4.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/preferences/legacy/Version4.kt
@@ -1,9 +1,7 @@
 package de.jrpie.android.launcher.preferences.legacy
 
 import android.content.Context
-import de.jrpie.android.launcher.Application
 import de.jrpie.android.launcher.preferences.LauncherPreferences
-import de.jrpie.android.launcher.preferences.PREFERENCE_VERSION
 import de.jrpie.android.launcher.widgets.ClockWidget
 import de.jrpie.android.launcher.widgets.WidgetPanel
 import de.jrpie.android.launcher.widgets.WidgetPosition
diff --git a/app/src/main/java/de/jrpie/android/launcher/ui/PinShortcutActivity.kt b/app/src/main/java/de/jrpie/android/launcher/ui/PinShortcutActivity.kt
index 3dbdda8..8150378 100644
--- a/app/src/main/java/de/jrpie/android/launcher/ui/PinShortcutActivity.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/ui/PinShortcutActivity.kt
@@ -1,7 +1,6 @@
 package de.jrpie.android.launcher.ui
 
 import android.app.AlertDialog
-import android.app.Service
 import android.content.Context
 import android.content.pm.LauncherApps
 import android.content.pm.LauncherApps.PinItemRequest
@@ -45,7 +44,7 @@ class PinShortcutActivity : AppCompatActivity(), UIObject {
         binding = ActivityPinShortcutBinding.inflate(layoutInflater)
         setContentView(binding.root)
 
-        val launcherApps = getSystemService(Service.LAUNCHER_APPS_SERVICE) as LauncherApps
+        val launcherApps = getSystemService(LAUNCHER_APPS_SERVICE) as LauncherApps
 
         val request = launcherApps.getPinItemRequest(intent)
         this.request = request
diff --git a/app/src/main/java/de/jrpie/android/launcher/ui/list/apps/AppsRecyclerAdapter.kt b/app/src/main/java/de/jrpie/android/launcher/ui/list/apps/AppsRecyclerAdapter.kt
index 65278ce..784d6fa 100644
--- a/app/src/main/java/de/jrpie/android/launcher/ui/list/apps/AppsRecyclerAdapter.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/ui/list/apps/AppsRecyclerAdapter.kt
@@ -237,9 +237,4 @@ class AppsRecyclerAdapter(
         appFilter.favoritesVisibility = v
         updateAppsList()
     }
-
-    fun setHiddenAppsVisibility(v: AppFilter.Companion.AppSetVisibility) {
-        appFilter.hiddenVisibility = v
-        updateAppsList()
-    }
 }
diff --git a/app/src/main/java/de/jrpie/android/launcher/ui/list/apps/ListFragmentApps.kt b/app/src/main/java/de/jrpie/android/launcher/ui/list/apps/ListFragmentApps.kt
index a8e59ba..ed26729 100644
--- a/app/src/main/java/de/jrpie/android/launcher/ui/list/apps/ListFragmentApps.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/ui/list/apps/ListFragmentApps.kt
@@ -96,7 +96,6 @@ class ListFragmentApps : Fragment(), UIObject {
             if (LauncherPreferences.functionality().searchAutoCloseKeyboard()) {
                 addOnScrollListener(object : RecyclerView.OnScrollListener() {
                     var totalDy: Int = 0
-                    var threshold = (resources.displayMetrics.density * 100).toInt()
                     override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
                         totalDy += dy
 
diff --git a/app/src/main/java/de/jrpie/android/launcher/ui/tutorial/tabs/TutorialFragment5Finish.kt b/app/src/main/java/de/jrpie/android/launcher/ui/tutorial/tabs/TutorialFragment5Finish.kt
index e15cef1..548c30b 100644
--- a/app/src/main/java/de/jrpie/android/launcher/ui/tutorial/tabs/TutorialFragment5Finish.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/ui/tutorial/tabs/TutorialFragment5Finish.kt
@@ -5,7 +5,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import de.jrpie.android.launcher.BuildConfig.VERSION_CODE
 import de.jrpie.android.launcher.databinding.Tutorial5FinishBinding
 import de.jrpie.android.launcher.preferences.LauncherPreferences
 import de.jrpie.android.launcher.requestNotificationPermission
diff --git a/app/src/main/java/de/jrpie/android/launcher/ui/widgets/WidgetContainerView.kt b/app/src/main/java/de/jrpie/android/launcher/ui/widgets/WidgetContainerView.kt
index 5f8adf1..5eab32f 100644
--- a/app/src/main/java/de/jrpie/android/launcher/ui/widgets/WidgetContainerView.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/ui/widgets/WidgetContainerView.kt
@@ -61,7 +61,7 @@ open class WidgetContainerView(
                 it.value.y + it.value.height
             ).contains(position) == true
         }.any {
-            Widget.byId(context, it.key)?.allowInteraction == false
+            Widget.byId(it.key)?.allowInteraction == false
         }
     }
     override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
diff --git a/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/ManageWidgetPanelsActivity.kt b/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/ManageWidgetPanelsActivity.kt
index 89e1057..163777f 100644
--- a/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/ManageWidgetPanelsActivity.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/ManageWidgetPanelsActivity.kt
@@ -9,7 +9,6 @@ import android.widget.EditText
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.recyclerview.widget.LinearLayoutManager
-import de.jrpie.android.launcher.Application
 import de.jrpie.android.launcher.R
 import de.jrpie.android.launcher.databinding.ActivityManageWidgetPanelsBinding
 import de.jrpie.android.launcher.preferences.LauncherPreferences
diff --git a/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/ManageWidgetsActivity.kt b/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/ManageWidgetsActivity.kt
index 38bbb84..531cdc1 100644
--- a/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/ManageWidgetsActivity.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/ManageWidgetsActivity.kt
@@ -5,7 +5,6 @@ import android.appwidget.AppWidgetManager
 import android.content.Intent
 import android.content.SharedPreferences
 import android.content.res.Resources
-import android.graphics.Rect
 import android.os.Bundle
 import android.util.Log
 import android.view.ViewGroup
@@ -21,7 +20,6 @@ import de.jrpie.android.launcher.widgets.GRID_SIZE
 import de.jrpie.android.launcher.widgets.WidgetPanel
 import de.jrpie.android.launcher.widgets.WidgetPosition
 import kotlin.math.max
-import kotlin.math.min
 import kotlin.math.roundToInt
 
 
@@ -132,7 +130,6 @@ class ManageWidgetsActivity : UIObject, Activity() {
 
 
     private fun selectWidget() {
-        val appWidgetHost = (application as Application).appWidgetHost
         startActivityForResult(
             Intent(this, SelectWidgetActivity::class.java).also {
                 it.putExtra(
diff --git a/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/WidgetManagerView.kt b/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/WidgetManagerView.kt
index d1c84d0..3034aeb 100644
--- a/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/WidgetManagerView.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/WidgetManagerView.kt
@@ -31,19 +31,19 @@ class WidgetManagerView(widgetPanelId: Int, context: Context, attrs: AttributeSe
     WidgetContainerView(widgetPanelId, context, attrs) {
     constructor(context: Context, attrs: AttributeSet?) : this(WidgetPanel.HOME.id, context, attrs)
 
-    val TOUCH_SLOP: Int
-    val TOUCH_SLOP_SQUARE: Int
-    val LONG_PRESS_TIMEOUT: Long
+    val touchSlop: Int
+    val touchSlopSquare: Int
+    val longPressTimeout: Long
 
 
     private var overlayViewById = HashMap<Int, WidgetOverlayView>()
 
     init {
         val configuration = ViewConfiguration.get(context)
-        TOUCH_SLOP = configuration.scaledTouchSlop
-        TOUCH_SLOP_SQUARE = TOUCH_SLOP * TOUCH_SLOP
+        touchSlop = configuration.scaledTouchSlop
+        touchSlopSquare = touchSlop * touchSlop
 
-        LONG_PRESS_TIMEOUT = ViewConfiguration.getLongPressTimeout().toLong()
+        longPressTimeout = ViewConfiguration.getLongPressTimeout().toLong()
     }
 
 
@@ -127,14 +127,14 @@ class WidgetManagerView(widgetPanelId: Int, context: Context, attrs: AttributeSe
                         view.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS)
                         endInteraction()
                     }
-                }, LONG_PRESS_TIMEOUT)
+                }, longPressTimeout)
             }
             if (event.actionMasked == MotionEvent.ACTION_MOVE ||
                 event.actionMasked == MotionEvent.ACTION_UP
             ) {
                 val distanceX = event.x - (currentGestureStart?.x ?: return true)
                 val distanceY = event.y - (currentGestureStart?.y ?: return true)
-                if (distanceX * distanceX + distanceY * distanceY > TOUCH_SLOP_SQUARE) {
+                if (distanceX * distanceX + distanceY * distanceY > touchSlopSquare) {
                     longPressHandler.removeCallbacksAndMessages(null)
                 }
                 val view = selectedWidgetOverlayView ?: return true
@@ -162,7 +162,7 @@ class WidgetManagerView(widgetPanelId: Int, context: Context, attrs: AttributeSe
                 if (event.actionMasked == MotionEvent.ACTION_UP) {
                     longPressHandler.removeCallbacksAndMessages(null)
                     val id = selectedWidgetOverlayView?.widgetId ?: return true
-                    val widget = Widget.byId(context, id) ?: return true
+                    val widget = Widget.byId(id) ?: return true
                     widget.position = newPosition
                     endInteraction()
                     updateWidget(widget)
diff --git a/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/WidgetOverlayView.kt b/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/WidgetOverlayView.kt
index a53f371..0363069 100644
--- a/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/WidgetOverlayView.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/ui/widgets/manage/WidgetOverlayView.kt
@@ -54,7 +54,7 @@ class WidgetOverlayView : ViewGroup {
     var widgetId: Int = -1
         set(newId) {
             field = newId
-            preview = Widget.byId(context, widgetId)?.getPreview(context)
+            preview = Widget.byId(widgetId)?.getPreview(context)
         }
 
     constructor(context: Context) : super(context)
@@ -93,13 +93,13 @@ class WidgetOverlayView : ViewGroup {
     }
 
     fun showPopupMenu() {
-        val widget = Widget.byId(context, widgetId)?: return
+        val widget = Widget.byId(widgetId)?: return
         val menu = PopupMenu(context, popupAnchor)
         menu.menu.let {
             it.add(
                 context.getString(R.string.widget_menu_remove)
             ).setOnMenuItemClickListener { _ ->
-                Widget.byId(context, widgetId)?.delete(context)
+                Widget.byId(widgetId)?.delete(context)
                 return@setOnMenuItemClickListener true
             }
             it.add(
diff --git a/app/src/main/java/de/jrpie/android/launcher/widgets/Widget.kt b/app/src/main/java/de/jrpie/android/launcher/widgets/Widget.kt
index fd96f14..73f5d81 100644
--- a/app/src/main/java/de/jrpie/android/launcher/widgets/Widget.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/widgets/Widget.kt
@@ -38,10 +38,6 @@ sealed class Widget {
         )
     }
 
-    fun getPanel(): WidgetPanel? {
-        return WidgetPanel.byId(panelId)
-    }
-
     override fun hashCode(): Int {
         return id
     }
@@ -57,9 +53,9 @@ sealed class Widget {
         fun deserialize(serialized: String): Widget {
             return Json.decodeFromString(serialized)
         }
-        fun byId(context: Context, id: Int): Widget? {
+        fun byId(id: Int): Widget? {
             // TODO: do some caching
-            return LauncherPreferences.widgets().widgets().firstOrNull() {
+            return LauncherPreferences.widgets().widgets().firstOrNull {
                  it.id == id
             }
         }