diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionFilterController.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionFilterController.kt
deleted file mode 100644
index 7c2be136f3..0000000000
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionFilterController.kt
+++ /dev/null
@@ -1,52 +0,0 @@
-package eu.kanade.tachiyomi.ui.extension
-
-import androidx.preference.PreferenceScreen
-import androidx.preference.SwitchPreference
-import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.data.preference.getOrDefault
-import eu.kanade.tachiyomi.extension.ExtensionManager
-import eu.kanade.tachiyomi.ui.setting.SettingsController
-import eu.kanade.tachiyomi.ui.setting.onChange
-import eu.kanade.tachiyomi.ui.setting.titleRes
-import eu.kanade.tachiyomi.util.LocaleHelper
-import uy.kohesive.injekt.Injekt
-import uy.kohesive.injekt.api.get
-
-class ExtensionFilterController: SettingsController() {
-
-    override fun setupPreferenceScreen(screen: PreferenceScreen) = with(screen) {
-        titleRes = R.string.action_filter
-
-        val activeLangs = preferences.enabledLanguages().getOrDefault()
-
-        val availableLangs =
-                Injekt.get<ExtensionManager>().availableExtensions.groupBy {
-                    it.lang
-                }.keys.minus("all").partition {
-                    it in activeLangs
-                }.let {
-                    it.first + it.second
-                }
-
-        availableLangs.forEach {
-            SwitchPreference(context).apply {
-                preferenceScreen.addPreference(this)
-                title = LocaleHelper.getDisplayName(it, context)
-                isPersistent = false
-                isChecked = it in activeLangs
-
-                onChange { newValue ->
-                    val checked = newValue as Boolean
-                    val currentActiveLangs = preferences.enabledLanguages().getOrDefault()
-
-                    if (checked) {
-                        preferences.enabledLanguages().set(currentActiveLangs + it)
-                    } else {
-                        preferences.enabledLanguages().set(currentActiveLangs - it)
-                    }
-                    true
-                }
-            }
-        }
-    }
-}