diff --git a/app/src/main/java/org/mozilla/fenix/library/LibraryListItem.kt b/app/src/main/java/org/mozilla/fenix/library/LibraryListItem.kt
index 1925e16a43..affecbbf7c 100644
--- a/app/src/main/java/org/mozilla/fenix/library/LibraryListItem.kt
+++ b/app/src/main/java/org/mozilla/fenix/library/LibraryListItem.kt
@@ -8,6 +8,7 @@ import android.content.Context
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.content.withStyledAttributes
 import kotlinx.android.synthetic.main.library_list_item.view.*
 import org.mozilla.fenix.R
 
@@ -19,28 +20,18 @@ class LibraryListItem @JvmOverloads constructor(
     init {
         LayoutInflater.from(context).inflate(R.layout.library_list_item, this, true)
 
-        attrs.let {
-            context.theme.obtainStyledAttributes(
-                it,
-                R.styleable.LibraryListItem,
-                0, 0
-            ).apply {
-                try {
-                    val id = getResourceId(
-                        R.styleable.LibraryListItem_listItemIcon,
-                        R.drawable.library_icon_reading_list_circle_background
-                    )
-                    libraryIcon?.background = resources.getDrawable(id, context.theme)
-                    libraryItemTitle?.text = resources.getString(
-                        getResourceId(
-                            R.styleable.LibraryListItem_listItemTitle,
-                            R.string.browser_menu_your_library
-                        )
-                    )
-                } finally {
-                    recycle()
-                }
-            }
+        context.withStyledAttributes(attrs, R.styleable.LibraryListItem, defStyleAttr, 0) {
+            val id = getResourceId(
+                R.styleable.LibraryListItem_listItemIcon,
+                R.drawable.library_icon_reading_list_circle_background
+            )
+            libraryIcon?.background = resources.getDrawable(id, context.theme)
+            libraryItemTitle?.text = resources.getString(
+                getResourceId(
+                    R.styleable.LibraryListItem_listItemTitle,
+                    R.string.browser_menu_your_library
+                )
+            )
         }
     }
 }
diff --git a/app/src/main/java/org/mozilla/fenix/settings/AccountAuthErrorPreference.kt b/app/src/main/java/org/mozilla/fenix/settings/AccountAuthErrorPreference.kt
index dca3e3df03..277c645805 100644
--- a/app/src/main/java/org/mozilla/fenix/settings/AccountAuthErrorPreference.kt
+++ b/app/src/main/java/org/mozilla/fenix/settings/AccountAuthErrorPreference.kt
@@ -12,13 +12,13 @@ import androidx.preference.Preference
 import androidx.preference.PreferenceViewHolder
 import org.mozilla.fenix.R
 
-class AccountAuthErrorPreference : Preference {
+class AccountAuthErrorPreference @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    attributeSetId: Int = 0
+) : Preference(context, attrs, attributeSetId) {
     var email: String? = null
 
-    constructor(context: Context) : super(context)
-    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
-    constructor(context: Context, attrs: AttributeSet?, attributeSetId: Int) : super(context, attrs, attributeSetId)
-
     init {
         layoutResource = R.layout.account_auth_error_preference
     }
diff --git a/app/src/main/java/org/mozilla/fenix/settings/AccountPreference.kt b/app/src/main/java/org/mozilla/fenix/settings/AccountPreference.kt
index 34e77f5493..6e67b3775e 100644
--- a/app/src/main/java/org/mozilla/fenix/settings/AccountPreference.kt
+++ b/app/src/main/java/org/mozilla/fenix/settings/AccountPreference.kt
@@ -12,14 +12,14 @@ import androidx.preference.Preference
 import androidx.preference.PreferenceViewHolder
 import org.mozilla.fenix.R
 
-class AccountPreference : Preference {
+class AccountPreference @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    attributeSetId: Int = 0
+) : Preference(context, attrs, attributeSetId) {
     var displayName: String? = null
     var email: String? = null
 
-    constructor(context: Context) : super(context)
-    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
-    constructor(context: Context, attrs: AttributeSet?, attributeSetId: Int) : super(context, attrs, attributeSetId)
-
     init {
         layoutResource = R.layout.account_preference
     }
diff --git a/app/src/main/java/org/mozilla/fenix/settings/DefaultBrowserPreference.kt b/app/src/main/java/org/mozilla/fenix/settings/DefaultBrowserPreference.kt
index 58d851d877..eec2c095f4 100644
--- a/app/src/main/java/org/mozilla/fenix/settings/DefaultBrowserPreference.kt
+++ b/app/src/main/java/org/mozilla/fenix/settings/DefaultBrowserPreference.kt
@@ -12,18 +12,14 @@ import androidx.preference.PreferenceViewHolder
 import mozilla.components.support.utils.Browsers
 import org.mozilla.fenix.R
 
-class DefaultBrowserPreference : Preference {
+class DefaultBrowserPreference @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    attributeSetId: Int = 0
+) : Preference(context, attrs, attributeSetId) {
 
     private var switchView: Switch? = null
 
-    constructor(context: Context) : super(context)
-    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
-    constructor(context: Context, attrs: AttributeSet?, attributeSetId: Int) : super(
-        context,
-        attrs,
-        attributeSetId
-    )
-
     init {
         widgetLayoutResource = R.layout.preference_default_browser
     }
diff --git a/app/src/main/java/org/mozilla/fenix/settings/DeleteBrowsingDataItem.kt b/app/src/main/java/org/mozilla/fenix/settings/DeleteBrowsingDataItem.kt
index 629097325c..e1a7d749b2 100644
--- a/app/src/main/java/org/mozilla/fenix/settings/DeleteBrowsingDataItem.kt
+++ b/app/src/main/java/org/mozilla/fenix/settings/DeleteBrowsingDataItem.kt
@@ -9,6 +9,7 @@ import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.widget.TextView
 import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.content.withStyledAttributes
 import kotlinx.android.synthetic.main.delete_browsing_data_item.view.*
 import org.mozilla.fenix.R
 
@@ -41,33 +42,23 @@ class DeleteBrowsingDataItem @JvmOverloads constructor(
             onCheckListener?.invoke(isChecked)
         }
 
-        attrs.let {
-            context.theme.obtainStyledAttributes(
-                it,
-                R.styleable.DeleteBrowsingDataItem,
-                0, 0
-            ).apply {
-                try {
-                    val iconId = getResourceId(
-                        R.styleable.DeleteBrowsingDataItem_deleteBrowsingDataItemIcon,
-                        R.drawable.library_icon_reading_list_circle_background
-                    )
-                    val titleId = getResourceId(
-                        R.styleable.DeleteBrowsingDataItem_deleteBrowsingDataItemTitle,
-                        R.string.browser_menu_your_library
-                    )
-                    val subtitleId = getResourceId(
-                        R.styleable.DeleteBrowsingDataItem_deleteBrowsingDataItemSubtitle,
-                        R.string.browser_menu_your_library
-                    )
+        context.withStyledAttributes(attrs, R.styleable.DeleteBrowsingDataItem, defStyleAttr, 0) {
+            val iconId = getResourceId(
+                R.styleable.DeleteBrowsingDataItem_deleteBrowsingDataItemIcon,
+                R.drawable.library_icon_reading_list_circle_background
+            )
+            val titleId = getResourceId(
+                R.styleable.DeleteBrowsingDataItem_deleteBrowsingDataItemTitle,
+                R.string.browser_menu_your_library
+            )
+            val subtitleId = getResourceId(
+                R.styleable.DeleteBrowsingDataItem_deleteBrowsingDataItemSubtitle,
+                R.string.browser_menu_your_library
+            )
 
-                    icon.background = resources.getDrawable(iconId, context.theme)
-                    title.text = resources.getString(titleId)
-                    subtitle.text = resources.getString(subtitleId)
-                } finally {
-                    recycle()
-                }
-            }
+            icon.background = resources.getDrawable(iconId, context.theme)
+            title.text = resources.getString(titleId)
+            subtitle.text = resources.getString(subtitleId)
         }
     }
 }
diff --git a/app/src/main/java/org/mozilla/fenix/settings/RadioButtonPreference.kt b/app/src/main/java/org/mozilla/fenix/settings/RadioButtonPreference.kt
index 5906788e54..2a192c81e5 100644
--- a/app/src/main/java/org/mozilla/fenix/settings/RadioButtonPreference.kt
+++ b/app/src/main/java/org/mozilla/fenix/settings/RadioButtonPreference.kt
@@ -5,7 +5,6 @@
 package org.mozilla.fenix.settings
 
 import android.content.Context
-import android.content.res.TypedArray
 import android.text.TextUtils
 import android.util.AttributeSet
 import android.view.View
@@ -13,6 +12,7 @@ import android.widget.RadioButton
 import android.widget.TextView
 import androidx.core.content.ContextCompat
 import androidx.core.content.res.TypedArrayUtils
+import androidx.core.content.withStyledAttributes
 import androidx.core.text.HtmlCompat
 import androidx.preference.Preference
 import androidx.preference.PreferenceViewHolder
@@ -20,7 +20,11 @@ import org.mozilla.fenix.R
 import org.mozilla.fenix.ThemeManager
 import org.mozilla.fenix.utils.Settings
 
-class RadioButtonPreference : Preference {
+class RadioButtonPreference @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    attributeSetId: Int = 0
+) : Preference(context, attrs, attributeSetId) {
     private val radioGroups = mutableListOf<RadioButtonPreference>()
     private lateinit var summaryView: TextView
     private lateinit var radioButton: RadioButton
@@ -30,6 +34,27 @@ class RadioButtonPreference : Preference {
 
     init {
         layoutResource = R.layout.preference_widget_radiobutton
+
+        context.withStyledAttributes(
+            attrs,
+            androidx.preference.R.styleable.Preference,
+            TypedArrayUtils.getAttr(
+                context, androidx.preference.R.attr.preferenceStyle, android.R.attr.preferenceStyle
+            ),
+            0
+        ) {
+            if (hasValue(androidx.preference.R.styleable.Preference_defaultValue)) {
+                defaultValue = getBoolean(
+                    androidx.preference.R.styleable.Preference_defaultValue,
+                    false
+                )
+            } else if (hasValue(androidx.preference.R.styleable.Preference_android_defaultValue)) {
+                defaultValue = getBoolean(
+                    androidx.preference.R.styleable.Preference_android_defaultValue,
+                    false
+                )
+            }
+        }
     }
 
     /* In devices with Android 6, when we use android:button="@null" android:drawableStart doesn't work via xml
@@ -45,16 +70,6 @@ class RadioButtonPreference : Preference {
         this.setCompoundDrawables(buttonDrawable, null, null, null)
     }
 
-    constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {
-        val typedArray = context.obtainStyledAttributes(
-            attrs, androidx.preference.R.styleable.Preference, TypedArrayUtils.getAttr(
-                context, androidx.preference.R.attr.preferenceStyle,
-                android.R.attr.preferenceStyle
-            ), 0
-        )
-        initDefaultValue(typedArray)
-    }
-
     fun addToRadioGroup(radioPreference: RadioButtonPreference) {
         radioGroups.add(radioPreference)
     }
@@ -94,20 +109,6 @@ class RadioButtonPreference : Preference {
         radioButton.setStartCheckedIndicator()
     }
 
-    private fun initDefaultValue(typedArray: TypedArray) {
-        if (typedArray.hasValue(androidx.preference.R.styleable.Preference_defaultValue)) {
-            defaultValue = typedArray.getBoolean(
-                androidx.preference.R.styleable.Preference_defaultValue,
-                false
-            )
-        } else if (typedArray.hasValue(androidx.preference.R.styleable.Preference_android_defaultValue)) {
-            defaultValue = typedArray.getBoolean(
-                androidx.preference.R.styleable.Preference_android_defaultValue,
-                false
-            )
-        }
-    }
-
     private fun toggleRadioGroups() {
         if (radioButton.isChecked) {
             radioGroups.forEach { it.updateRadioValue(false) }
diff --git a/app/src/main/java/org/mozilla/fenix/settings/RadioSearchEngineListPreference.kt b/app/src/main/java/org/mozilla/fenix/settings/RadioSearchEngineListPreference.kt
index 2c59312e4d..ad58ed73c0 100644
--- a/app/src/main/java/org/mozilla/fenix/settings/RadioSearchEngineListPreference.kt
+++ b/app/src/main/java/org/mozilla/fenix/settings/RadioSearchEngineListPreference.kt
@@ -12,18 +12,14 @@ import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.utils.Settings
 
-class RadioSearchEngineListPreference : SearchEngineListPreference {
+class RadioSearchEngineListPreference @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0
+) : SearchEngineListPreference(context, attrs, defStyleAttr) {
     override val itemResId: Int
         get() = R.layout.search_engine_radio_button
 
-    constructor(context: Context, attrs: AttributeSet) : super(context, attrs)
-
-    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(
-        context,
-        attrs,
-        defStyleAttr
-    )
-
     override fun updateDefaultItem(defaultButton: CompoundButton) {
         defaultButton.isChecked = true
     }
diff --git a/app/src/main/java/org/mozilla/fenix/settings/SearchEngineListPreference.kt b/app/src/main/java/org/mozilla/fenix/settings/SearchEngineListPreference.kt
index 05336b42cb..8c052dca19 100644
--- a/app/src/main/java/org/mozilla/fenix/settings/SearchEngineListPreference.kt
+++ b/app/src/main/java/org/mozilla/fenix/settings/SearchEngineListPreference.kt
@@ -28,7 +28,11 @@ import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.utils.Settings
 import kotlin.coroutines.CoroutineContext
 
-abstract class SearchEngineListPreference : Preference, CompoundButton.OnCheckedChangeListener, CoroutineScope {
+abstract class SearchEngineListPreference @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0
+) : Preference(context, attrs, defStyleAttr), CompoundButton.OnCheckedChangeListener, CoroutineScope {
     private val job = Job()
     override val coroutineContext: CoroutineContext
         get() = job + Dispatchers.Main
@@ -37,15 +41,7 @@ abstract class SearchEngineListPreference : Preference, CompoundButton.OnChecked
 
     protected abstract val itemResId: Int
 
-    constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {
-        layoutResource = R.layout.preference_search_engine_chooser
-    }
-
-    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(
-        context,
-        attrs,
-        defStyleAttr
-    ) {
+    init {
         layoutResource = R.layout.preference_search_engine_chooser
     }