diff --git a/app/src/main/java/be/scri/fragments/AboutFragment.kt b/app/src/main/java/be/scri/fragments/AboutFragment.kt
index 774ae2d3..06e03cc7 100644
--- a/app/src/main/java/be/scri/fragments/AboutFragment.kt
+++ b/app/src/main/java/be/scri/fragments/AboutFragment.kt
@@ -2,7 +2,6 @@ package be.scri.fragments
 
 import android.content.Intent
 import android.os.Bundle
-import android.view.GestureDetector
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -16,11 +15,7 @@ import be.scri.helpers.CustomAdapter
 import be.scri.models.ItemsViewModel
 
 class AboutFragment : Fragment() {
-    private var appName = ""
-    private var primaryColor = 0
-
     private lateinit var binding: FragmentAboutBinding
-    private lateinit var gestureDetector: GestureDetector
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -218,11 +213,4 @@ class AboutFragment : Fragment() {
         fragmentTransaction.addToBackStack(null)
         fragmentTransaction.commit()
     }
-
-    companion object {
-        private const val EASTER_EGG_TIME_LIMIT = 3000L
-        private const val EASTER_EGG_REQUIRED_CLICKS = 7
-        private const val SWIPE_THRESHOLD = 100
-        private const val SWIPE_VELOCITY_THRESHOLD = 100
-    }
 }
diff --git a/app/src/main/java/be/scri/helpers/String.kt b/app/src/main/java/be/scri/helpers/String.kt
index 08cbe7fa..b8dc615a 100644
--- a/app/src/main/java/be/scri/helpers/String.kt
+++ b/app/src/main/java/be/scri/helpers/String.kt
@@ -2,8 +2,6 @@ package be.scri.helpers
 
 operator fun String.times(x: Int): String {
     val stringBuilder = StringBuilder()
-    for (i in 1..x) {
-        stringBuilder.append(this)
-    }
+    (1..x).forEach { stringBuilder.append(this) }
     return stringBuilder.toString()
 }
diff --git a/app/src/main/java/be/scri/services/EnglishKeyboardIME.kt b/app/src/main/java/be/scri/services/EnglishKeyboardIME.kt
index 45de9418..c28c7c33 100644
--- a/app/src/main/java/be/scri/services/EnglishKeyboardIME.kt
+++ b/app/src/main/java/be/scri/services/EnglishKeyboardIME.kt
@@ -44,7 +44,6 @@ class EnglishKeyboardIME : SimpleKeyboardIME() {
 
     private var currentState: ScribeState = ScribeState.IDLE
     private lateinit var keyboardBinding: KeyboardViewKeyboardBinding
-    private lateinit var commandBinding: KeyboardViewCommandOptionsBinding
 
     override fun onInitializeInterface() {
         super.onInitializeInterface()
diff --git a/app/src/main/java/be/scri/services/FrenchKeyboardIME.kt b/app/src/main/java/be/scri/services/FrenchKeyboardIME.kt
index 025f5880..256a613c 100644
--- a/app/src/main/java/be/scri/services/FrenchKeyboardIME.kt
+++ b/app/src/main/java/be/scri/services/FrenchKeyboardIME.kt
@@ -14,9 +14,6 @@ import be.scri.views.MyKeyboardView
 class FrenchKeyboardIME : SimpleKeyboardIME() {
     override fun getKeyboardLayoutXML(): Int = R.xml.keys_letters_french
 
-    private var lastSpaceTime: Long = 0
-    private val doubleTapThreshold: Long = 300
-
     enum class ScribeState {
         IDLE,
         SELECT_COMMAND,
@@ -32,7 +29,6 @@ class FrenchKeyboardIME : SimpleKeyboardIME() {
 
     private var currentState: ScribeState = ScribeState.IDLE
     private lateinit var keyboardBinding: KeyboardViewKeyboardBinding
-    private lateinit var commandBinding: KeyboardViewCommandOptionsBinding
     override lateinit var binding: KeyboardViewCommandOptionsBinding
     override var keyboardView: MyKeyboardView? = null
     override var keyboard: MyKeyboard? = null
diff --git a/app/src/main/java/be/scri/services/GermanKeyboardIME.kt b/app/src/main/java/be/scri/services/GermanKeyboardIME.kt
index af7c478d..b69e3ec6 100644
--- a/app/src/main/java/be/scri/services/GermanKeyboardIME.kt
+++ b/app/src/main/java/be/scri/services/GermanKeyboardIME.kt
@@ -29,7 +29,6 @@ class GermanKeyboardIME : SimpleKeyboardIME() {
 
     private var currentState: ScribeState = ScribeState.IDLE
     private lateinit var keyboardBinding: KeyboardViewKeyboardBinding
-    private lateinit var commandBinding: KeyboardViewCommandOptionsBinding
     override lateinit var binding: KeyboardViewCommandOptionsBinding
     override var keyboardView: MyKeyboardView? = null
     override var keyboard: MyKeyboard? = null
@@ -49,9 +48,6 @@ class GermanKeyboardIME : SimpleKeyboardIME() {
         keyboard = MyKeyboard(this, getKeyboardLayoutXML(), enterKeyType)
     }
 
-    private var lastSpaceTime: Long = 0
-    private val doubleTapThreshold: Long = 300
-
     private fun shouldCommitPeriodAfterSpace(language: String): Boolean {
         val sharedPref = getSharedPreferences("app_preferences", Context.MODE_PRIVATE)
         return sharedPref.getBoolean("period_on_double_tap_$language", false)
diff --git a/app/src/main/java/be/scri/services/ItalianKeyboardIME.kt b/app/src/main/java/be/scri/services/ItalianKeyboardIME.kt
index 47558a26..2a2a2fe5 100644
--- a/app/src/main/java/be/scri/services/ItalianKeyboardIME.kt
+++ b/app/src/main/java/be/scri/services/ItalianKeyboardIME.kt
@@ -29,7 +29,6 @@ class ItalianKeyboardIME : SimpleKeyboardIME() {
 
     private var currentState: ScribeState = ScribeState.IDLE
     private lateinit var keyboardBinding: KeyboardViewKeyboardBinding
-    private lateinit var commandBinding: KeyboardViewCommandOptionsBinding
     override lateinit var binding: KeyboardViewCommandOptionsBinding
     override var keyboardView: MyKeyboardView? = null
     override var keyboard: MyKeyboard? = null
@@ -49,9 +48,6 @@ class ItalianKeyboardIME : SimpleKeyboardIME() {
         keyboard = MyKeyboard(this, getKeyboardLayoutXML(), enterKeyType)
     }
 
-    private var lastSpaceTime: Long = 0
-    private val doubleTapThreshold: Long = 300
-
     private fun shouldCommitPeriodAfterSpace(language: String): Boolean {
         val sharedPref = getSharedPreferences("app_preferences", Context.MODE_PRIVATE)
         return sharedPref.getBoolean("period_on_double_tap_$language", false)
diff --git a/app/src/main/java/be/scri/services/PortugueseKeyboardIME.kt b/app/src/main/java/be/scri/services/PortugueseKeyboardIME.kt
index e170fecc..9221b551 100644
--- a/app/src/main/java/be/scri/services/PortugueseKeyboardIME.kt
+++ b/app/src/main/java/be/scri/services/PortugueseKeyboardIME.kt
@@ -29,7 +29,6 @@ class PortugueseKeyboardIME : SimpleKeyboardIME() {
 
     private var currentState: ScribeState = ScribeState.IDLE
     private lateinit var keyboardBinding: KeyboardViewKeyboardBinding
-    private lateinit var commandBinding: KeyboardViewCommandOptionsBinding
     override lateinit var binding: KeyboardViewCommandOptionsBinding
     override var keyboardView: MyKeyboardView? = null
     override var keyboard: MyKeyboard? = null
@@ -49,9 +48,6 @@ class PortugueseKeyboardIME : SimpleKeyboardIME() {
         keyboard = MyKeyboard(this, getKeyboardLayoutXML(), enterKeyType)
     }
 
-    private var lastSpaceTime: Long = 0
-    private val doubleTapThreshold: Long = 300
-
     private fun shouldCommitPeriodAfterSpace(language: String): Boolean {
         val sharedPref = getSharedPreferences("app_preferences", Context.MODE_PRIVATE)
         return sharedPref.getBoolean("period_on_double_tap_$language", false)
diff --git a/app/src/main/java/be/scri/services/RussianKeyboardIME.kt b/app/src/main/java/be/scri/services/RussianKeyboardIME.kt
index 22b575c6..dce13da1 100644
--- a/app/src/main/java/be/scri/services/RussianKeyboardIME.kt
+++ b/app/src/main/java/be/scri/services/RussianKeyboardIME.kt
@@ -29,7 +29,6 @@ class RussianKeyboardIME : SimpleKeyboardIME() {
 
     private var currentState: ScribeState = ScribeState.IDLE
     private lateinit var keyboardBinding: KeyboardViewKeyboardBinding
-    private lateinit var commandBinding: KeyboardViewCommandOptionsBinding
     override lateinit var binding: KeyboardViewCommandOptionsBinding
     override var keyboardView: MyKeyboardView? = null
     override var keyboard: MyKeyboard? = null
@@ -49,9 +48,6 @@ class RussianKeyboardIME : SimpleKeyboardIME() {
         keyboard = MyKeyboard(this, getKeyboardLayoutXML(), enterKeyType)
     }
 
-    private var lastSpaceTime: Long = 0
-    private val doubleTapThreshold: Long = 300
-
     private fun shouldCommitPeriodAfterSpace(language: String): Boolean {
         val sharedPref = getSharedPreferences("app_preferences", Context.MODE_PRIVATE)
         return sharedPref.getBoolean("period_on_double_tap_$language", false)
diff --git a/app/src/main/java/be/scri/services/SpanishKeyboardIME.kt b/app/src/main/java/be/scri/services/SpanishKeyboardIME.kt
index 012e758b..70e2d3d9 100644
--- a/app/src/main/java/be/scri/services/SpanishKeyboardIME.kt
+++ b/app/src/main/java/be/scri/services/SpanishKeyboardIME.kt
@@ -29,7 +29,6 @@ class SpanishKeyboardIME : SimpleKeyboardIME() {
 
     private var currentState: ScribeState = ScribeState.IDLE
     private lateinit var keyboardBinding: KeyboardViewKeyboardBinding
-    private lateinit var commandBinding: KeyboardViewCommandOptionsBinding
     override lateinit var binding: KeyboardViewCommandOptionsBinding
     override var keyboardView: MyKeyboardView? = null
     override var keyboard: MyKeyboard? = null
diff --git a/app/src/main/java/be/scri/services/SwedishKeyboardIME.kt b/app/src/main/java/be/scri/services/SwedishKeyboardIME.kt
index df0236ce..7afd48d8 100644
--- a/app/src/main/java/be/scri/services/SwedishKeyboardIME.kt
+++ b/app/src/main/java/be/scri/services/SwedishKeyboardIME.kt
@@ -29,7 +29,6 @@ class SwedishKeyboardIME : SimpleKeyboardIME() {
 
     private var currentState: ScribeState = ScribeState.IDLE
     private lateinit var keyboardBinding: KeyboardViewKeyboardBinding
-    private lateinit var commandBinding: KeyboardViewCommandOptionsBinding
     override lateinit var binding: KeyboardViewCommandOptionsBinding
     override var keyboardView: MyKeyboardView? = null
     override var keyboard: MyKeyboard? = null
diff --git a/app/src/main/java/be/scri/views/MyKeyboardView.kt b/app/src/main/java/be/scri/views/MyKeyboardView.kt
index a6f8f202..a0321659 100644
--- a/app/src/main/java/be/scri/views/MyKeyboardView.kt
+++ b/app/src/main/java/be/scri/views/MyKeyboardView.kt
@@ -506,7 +506,6 @@ class MyKeyboardView
             val currentNightMode = context.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK
             val isSystemDarkMode = currentNightMode == Configuration.UI_MODE_NIGHT_YES
             val isUserDarkMode = sharedPref.getBoolean("dark_mode", isSystemDarkMode)
-            val changeKeyColor = sharedPref.getBoolean("pref_key_change_key_color", false)
             val keyBackgroundColor =
                 if (isUserDarkMode) {
                     Color.DKGRAY
diff --git a/detekt.yml b/detekt.yml
index e09f04d7..dbc35c23 100644
--- a/detekt.yml
+++ b/detekt.yml
@@ -10,7 +10,7 @@ style:
     ReturnCount:
         active: false
     UnusedPrivateProperty:
-        active: false
+        active: true
     UnusedParameter:
         active: false
     FunctionOnlyReturningConstant: