diff --git a/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/PlayerDataManager.java b/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/PlayerDataManager.java
index 701fdba..5a29ceb 100644
--- a/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/PlayerDataManager.java
+++ b/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/PlayerDataManager.java
@@ -22,16 +22,13 @@ import com.lishid.openinv.internal.OpenInventoryView;
 import com.mojang.authlib.GameProfile;
 import java.lang.reflect.Field;
 import net.minecraft.server.v1_16_R3.ChatComponentText;
-import net.minecraft.server.v1_16_R3.ChatMessageType;
 import net.minecraft.server.v1_16_R3.Container;
 import net.minecraft.server.v1_16_R3.Containers;
 import net.minecraft.server.v1_16_R3.Entity;
 import net.minecraft.server.v1_16_R3.EntityPlayer;
 import net.minecraft.server.v1_16_R3.MinecraftServer;
-import net.minecraft.server.v1_16_R3.PacketPlayOutChat;
 import net.minecraft.server.v1_16_R3.PacketPlayOutOpenWindow;
 import net.minecraft.server.v1_16_R3.PlayerInteractManager;
-import net.minecraft.server.v1_16_R3.SystemUtils;
 import net.minecraft.server.v1_16_R3.World;
 import net.minecraft.server.v1_16_R3.WorldServer;
 import org.bukkit.Bukkit;
@@ -237,24 +234,4 @@ public class PlayerDataManager implements IPlayerDataManager {
         return -1;
     }
 
-    @Override
-    public void sendSystemMessage(@NotNull Player player, @NotNull String message) {
-        int newline = message.indexOf('\n');
-        if (newline != -1) {
-            // No newlines in action bar chat.
-            message = message.substring(0, newline);
-        }
-
-        if (message.isEmpty()) {
-            return;
-        }
-
-        EntityPlayer nmsPlayer = getHandle(player);
-
-        // For action bar chat, color codes are still supported but JSON text color is not allowed. Do not convert text.
-        if (nmsPlayer.playerConnection != null) {
-            nmsPlayer.playerConnection.sendPacket(new PacketPlayOutChat(new ChatComponentText(message), ChatMessageType.GAME_INFO, SystemUtils.b));
-        }
-    }
-
 }
diff --git a/plugin/src/main/java/com/lishid/openinv/OpenInv.java b/plugin/src/main/java/com/lishid/openinv/OpenInv.java
index 24cd9b0..8137584 100644
--- a/plugin/src/main/java/com/lishid/openinv/OpenInv.java
+++ b/plugin/src/main/java/com/lishid/openinv/OpenInv.java
@@ -42,6 +42,8 @@ import java.util.Map;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 import java.util.function.Consumer;
+import net.md_5.bungee.api.ChatMessageType;
+import net.md_5.bungee.api.chat.TextComponent;
 import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.command.Command;
@@ -299,9 +301,21 @@ public class OpenInv extends JavaPlugin implements IOpenInv {
     public void sendSystemMessage(@NotNull Player player, @NotNull String key) {
         String message = this.languageManager.getValue(key, getLocale(player));
 
-        if (message != null) {
-            this.accessor.getPlayerDataManager().sendSystemMessage(player, message);
+        if (message == null) {
+            return;
         }
+
+        int newline = message.indexOf('\n');
+        if (newline != -1) {
+            // No newlines in action bar chat.
+            message = message.substring(0, newline);
+        }
+
+        if (message.isEmpty()) {
+            return;
+        }
+
+        player.spigot().sendMessage(ChatMessageType.ACTION_BAR, TextComponent.fromLegacyText(message));
     }
 
     public @Nullable String getLocalizedMessage(@NotNull CommandSender sender, @NotNull String key) {
@@ -314,7 +328,7 @@ public class OpenInv extends JavaPlugin implements IOpenInv {
 
     private @Nullable String getLocale(@NotNull CommandSender sender) {
         if (sender instanceof Player) {
-            return this.accessor.getPlayerDataManager().getLocale((Player) sender);
+            return ((Player) sender).getLocale();
         } else {
             return this.getConfig().getString("settings.locale", "en_us");
         }
diff --git a/plugin/src/main/java/com/lishid/openinv/internal/IPlayerDataManager.java b/plugin/src/main/java/com/lishid/openinv/internal/IPlayerDataManager.java
index b217479..1a81491 100644
--- a/plugin/src/main/java/com/lishid/openinv/internal/IPlayerDataManager.java
+++ b/plugin/src/main/java/com/lishid/openinv/internal/IPlayerDataManager.java
@@ -32,16 +32,14 @@ public interface IPlayerDataManager {
      * @param offline the OfflinePlayer
      * @return the Player loaded
      */
-    @Nullable
-    Player loadPlayer(@NotNull OfflinePlayer offline);
+    @Nullable Player loadPlayer(@NotNull OfflinePlayer offline);
 
     /**
      * Creates a new Player from an existing one that will function slightly better offline.
      *
      * @return the Player
      */
-    @NotNull
-    Player inject(@NotNull Player player);
+    @NotNull Player inject(@NotNull Player player);
 
     /**
      * Opens an ISpecialInventory for a Player.
@@ -51,8 +49,7 @@ public interface IPlayerDataManager {
      *`
      * @return the InventoryView opened
      */
-    @Nullable
-    InventoryView openInventory(@NotNull Player player, @NotNull ISpecialInventory inventory);
+    @Nullable InventoryView openInventory(@NotNull Player player, @NotNull ISpecialInventory inventory);
 
     /**
      * Convert a raw slot number into a player inventory slot number.
@@ -66,11 +63,4 @@ public interface IPlayerDataManager {
      */
     int convertToPlayerSlot(InventoryView view, int rawSlot);
 
-    void sendSystemMessage(@NotNull Player player, @NotNull String message);
-
-    @NotNull
-    default String getLocale(Player player) {
-        return player.getLocale();
-    }
-
 }