diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/App.kt b/app/src/main/java/pl/szczodrzynski/edziennik/App.kt
index a9186d94..71e6c7e6 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/App.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/App.kt
@@ -58,6 +58,7 @@ class App : MultiDexApplication(), Configuration.Provider, CoroutineScope {
         val profileId
             get() = profile.id
 
+        var enableChucker = false
         var debugMode = false
         var devMode = false
     }
@@ -115,9 +116,11 @@ class App : MultiDexApplication(), Configuration.Provider, CoroutineScope {
             HyperLog.initialize(this)
             HyperLog.setLogLevel(Log.VERBOSE)
             HyperLog.setLogFormat(DebugLogFormat(this))
-            val chuckerCollector = ChuckerCollector(this, true, RetentionManager.Period.ONE_HOUR)
-            val chuckerInterceptor = ChuckerInterceptor(this, chuckerCollector)
-            builder.addInterceptor(chuckerInterceptor)
+            if (enableChucker) {
+                val chuckerCollector = ChuckerCollector(this, true, RetentionManager.Period.ONE_HOUR)
+                val chuckerInterceptor = ChuckerInterceptor(this, chuckerCollector)
+                builder.addInterceptor(chuckerInterceptor)
+            }
         }
 
         http = builder.build()
@@ -172,6 +175,7 @@ class App : MultiDexApplication(), Configuration.Provider, CoroutineScope {
         App.profile = Profile(0, 0, 0, "")
         debugMode = BuildConfig.DEBUG
         devMode = config.debugMode || debugMode
+        enableChucker = config.enableChucker || devMode
 
         if (!profileLoadById(config.lastProfileId)) {
             db.profileDao().firstId?.let { profileLoadById(it) }
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/config/Config.kt b/app/src/main/java/pl/szczodrzynski/edziennik/config/Config.kt
index 160deb23..0274912f 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/config/Config.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/config/Config.kt
@@ -80,6 +80,11 @@ class Config(val db: AppDb) : CoroutineScope, AbstractConfig {
         get() { mDebugMode = mDebugMode ?: values.get("debugMode", false); return mDebugMode ?: false }
         set(value) { set("debugMode", value); mDebugMode = value }
 
+    private var mEnableChucker: Boolean? = null
+    var enableChucker: Boolean
+        get() { mEnableChucker = mEnableChucker ?: values.get("enableChucker", false); return mEnableChucker ?: false }
+        set(value) { set("enableChucker", value); mEnableChucker = value }
+
     private var mDevModePassword: String? = null
     var devModePassword: String?
         get() { mDevModePassword = mDevModePassword ?: values.get("devModePassword", null as String?); return mDevModePassword }
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/LabPageFragment.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/LabPageFragment.kt
index b1b84f9d..4d8205bf 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/LabPageFragment.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/LabPageFragment.kt
@@ -5,10 +5,12 @@
 package pl.szczodrzynski.edziennik.ui.modules.debug
 
 import android.os.Bundle
+import android.os.Process
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.sqlite.db.SimpleSQLiteQuery
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -21,6 +23,7 @@ import pl.szczodrzynski.edziennik.ui.modules.base.lazypager.LazyFragment
 import pl.szczodrzynski.edziennik.utils.TextInputDropDown
 import pl.szczodrzynski.fslogin.decode
 import kotlin.coroutines.CoroutineContext
+import kotlin.system.exitProcess
 
 class LabPageFragment : LazyFragment(), CoroutineScope {
     companion object {
@@ -75,6 +78,37 @@ class LabPageFragment : LazyFragment(), CoroutineScope {
             app.db.eventDao().getRawNow("UPDATE events SET homeworkBody = NULL WHERE profileId = ${App.profileId}")
         }
 
+        b.chucker.isChecked = app.config.enableChucker
+
+        b.chucker.onChange { _, isChecked ->
+            app.config.enableChucker = isChecked
+            MaterialAlertDialogBuilder(activity)
+                .setTitle("Restart")
+                .setMessage("Wymagany restart aplikacji")
+                .setPositiveButton(R.string.ok) { _, _ ->
+                    Process.killProcess(Process.myPid())
+                    Runtime.getRuntime().exit(0)
+                    exitProcess(0)
+                }
+                .setCancelable(false)
+                .show()
+        }
+
+
+        b.disableDebug.onClick {
+            app.config.debugMode = false
+            MaterialAlertDialogBuilder(activity)
+                .setTitle("Restart")
+                .setMessage("Wymagany restart aplikacji")
+                .setPositiveButton(R.string.ok) { _, _ ->
+                    Process.killProcess(Process.myPid())
+                    Runtime.getRuntime().exit(0)
+                    exitProcess(0)
+                }
+                .setCancelable(false)
+                .show()
+        }
+
         b.unarchive.onClick {
             app.profile.archived = false
             app.profile.archiveId = null
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/LabProfileFragment.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/LabProfileFragment.kt
index ee3ea2c6..f4b03f55 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/LabProfileFragment.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/debug/LabProfileFragment.kt
@@ -166,7 +166,7 @@ class LabProfileFragment : LazyFragment(), CoroutineScope {
             json.add("App.profile", app.gson.toJsonTree(app.profile))
             json.add("App.profile.studentData", app.profile.studentData)
             json.add("App.profile.loginStore", loginStore?.data ?: JsonObject())
-            json.add("App.config", JsonParser().parse(app.gson.toJson(app.config.values)))
+            json.add("App.config", JsonParser().parse(app.gson.toJson(app.config.values.toSortedMap())))
         }
         adapter.items = LabJsonAdapter.expand(json, 0)
         adapter.notifyDataSetChanged()
diff --git a/app/src/main/res/layout/lab_fragment.xml b/app/src/main/res/layout/lab_fragment.xml
index 8152f917..6c4bca77 100644
--- a/app/src/main/res/layout/lab_fragment.xml
+++ b/app/src/main/res/layout/lab_fragment.xml
@@ -3,7 +3,8 @@
   ~ Copyright (c) Kuba Szczodrzyński 2020-4-3.
   -->
 
-<layout xmlns:tools="http://schemas.android.com/tools"
+<layout xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     xmlns:android="http://schemas.android.com/apk/res/android"
     tools:ignore="HardcodedText">
 
@@ -38,6 +39,12 @@
                 android:layout_height="match_parent"
                 app:layout_behavior="@string/appbar_scrolling_view_behavior" />-->
 
+            <Switch
+                android:id="@+id/chucker"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="Chucker" />
+
             <Button
                 android:id="@+id/last10unseen"
                 android:layout_width="match_parent"
@@ -101,6 +108,14 @@
                 android:layout_height="wrap_content"
                 android:checked="@={app.config.archiverEnabled}"
                 android:text="Archiver enabled" />
+
+            <Button
+                android:id="@+id/disableDebug"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="Disable Dev Mode"
+                android:textAllCaps="false"
+                app:backgroundTint="@color/windowBackgroundRed" />
         </LinearLayout>
     </ScrollView>
 </layout>