diff --git a/app/src/main/java/exh/ui/batchadd/BatchAddFragment.kt b/app/src/main/java/exh/ui/batchadd/BatchAddFragment.kt
index 0ee5d2fdf..a4d994d0b 100644
--- a/app/src/main/java/exh/ui/batchadd/BatchAddFragment.kt
+++ b/app/src/main/java/exh/ui/batchadd/BatchAddFragment.kt
@@ -119,7 +119,7 @@ class BatchAddFragment : BaseFragment() {
                 .title("No galleries to add!")
                 .content("You must specify at least one gallery to add!")
                 .positiveText("Ok")
-                .onPositive { materialDialog, dialogAction -> materialDialog.dismiss() }
+                .onPositive { materialDialog, _ -> materialDialog.dismiss() }
                 .cancelable(true)
                 .canceledOnTouchOutside(true)
                 .show()
diff --git a/app/src/main/java/exh/ui/migration/LibraryMigrationManager.kt b/app/src/main/java/exh/ui/migration/LibraryMigrationManager.kt
index ac45ace95..ee4381bbf 100644
--- a/app/src/main/java/exh/ui/migration/LibraryMigrationManager.kt
+++ b/app/src/main/java/exh/ui/migration/LibraryMigrationManager.kt
@@ -67,8 +67,8 @@ class LibraryMigrationManager(val context: MainActivity,
                         "This migration process is not automatic, tap 'CONTINUE' to be guided through it.")
                 .positiveText("Continue")
                 .negativeText("Cancel")
-                .onPositive { materialDialog, dialogAction -> jumpToMigrationStep(MigrationStatus.OPEN_BACKUP_MENU) }
-                .onNegative { materialDialog, dialogAction -> warnUserMigration() }
+                .onPositive { _, _ -> jumpToMigrationStep(MigrationStatus.OPEN_BACKUP_MENU) }
+                .onNegative { _, _ -> warnUserMigration() }
                 .show()
     }
 
@@ -79,8 +79,8 @@ class LibraryMigrationManager(val context: MainActivity,
                         "Press 'MIGRATE' to restart the migration process, press 'OK' if you still wish to cancel the migration process.")
                 .positiveText("Ok")
                 .negativeText("Migrate")
-                .onPositive { materialDialog, dialogAction -> completeMigration() }
-                .onNegative { materialDialog, dialogAction -> notifyUserMigration() }
+                .onPositive { _, _ -> completeMigration() }
+                .onNegative { _, _ -> notifyUserMigration() }
                 .show()
     }
 
@@ -98,7 +98,7 @@ class LibraryMigrationManager(val context: MainActivity,
         migrationStepDialog(1, null, MigrationStatus.PERFORM_BACKUP)
                 .customView(view, true)
                 .neutralText("Launch Old App")
-                .onNeutral { materialDialog, dialogAction ->
+                .onNeutral { _, _ ->
                     //Auto dismiss messes this up so we have to reopen the dialog manually
                     val ma = mainTachiyomiEHActivity()
                     if(ma != null) {
@@ -134,7 +134,7 @@ class LibraryMigrationManager(val context: MainActivity,
                         "Then tap 'OK' to exit the migration process!"))
                 .positiveText("Ok")
                 .neutralText("Uninstall Old App")
-                .onPositive { materialDialog, dialogAction ->
+                .onPositive { _, _ ->
                         completeMigration()
                         //Check if the metadata needs to be updated
                         databaseHelper.getLibraryMangas().asRxSingle().subscribe {
@@ -144,7 +144,7 @@ class LibraryMigrationManager(val context: MainActivity,
                                 }
                         }
                     }
-                .onNeutral { materialDialog, dialogAction ->
+                .onNeutral { _, _ ->
                     val packageUri = Uri.parse("package:$TACHIYOMI_EH_PACKAGE")
                     val uninstallIntent = Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageUri)
                     context.startActivity(uninstallIntent)
@@ -164,11 +164,11 @@ class LibraryMigrationManager(val context: MainActivity,
             .apply {
                 if(previousStep != null) {
                     negativeText("Back")
-                    onNegative { materialDialog, dialogAction -> jumpToMigrationStep(previousStep) }
+                    onNegative { _, _ -> jumpToMigrationStep(previousStep) }
                 }
                 if(nextStep != null) {
                     positiveText("Continue")
-                    onPositive { materialDialog, dialogAction -> jumpToMigrationStep(nextStep) }
+                    onPositive { _, _ -> jumpToMigrationStep(nextStep) }
                 }
             }!!
 
diff --git a/app/src/main/java/exh/ui/migration/MetadataFetchDialog.kt b/app/src/main/java/exh/ui/migration/MetadataFetchDialog.kt
index 41d0a0dfd..4785f51f5 100644
--- a/app/src/main/java/exh/ui/migration/MetadataFetchDialog.kt
+++ b/app/src/main/java/exh/ui/migration/MetadataFetchDialog.kt
@@ -105,8 +105,8 @@ class MetadataFetchDialog {
                                 "This process can be done later if required."))
                         .positiveText("Migrate")
                         .negativeText("Later")
-                        .onPositive { materialDialog, dialogAction -> show(activity) }
-                        .onNegative { materialDialog, dialogAction -> adviseMigrationLater(activity) }
+                        .onPositive { _, _ -> show(activity) }
+                        .onNegative({ _, _ -> adviseMigrationLater(activity) })
                         .cancelable(false)
                         .canceledOnTouchOutside(false)
                         .dismissListener {