From c314a57c904e10f33d65de4c89953b92394dc8d2 Mon Sep 17 00:00:00 2001
From: CraftBukkit/Spigot <noreply+git-craftbukkit@papermc.io>
Date: Sat, 27 Dec 2014 22:44:51 +0000
Subject: [PATCH] Remove tile entity tags for signs and command blocks

By: Thinkofdeath <thinkofdeath@spigotmc.org>
---
 .../bukkit/craftbukkit/inventory/CraftMetaTileEntity.java    | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaTileEntity.java b/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaTileEntity.java
index 6718f96e68..17b913deed 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaTileEntity.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaTileEntity.java
@@ -20,7 +20,10 @@ public class CraftMetaTileEntity extends CraftMetaItem {
         super(meta);
         this.material = material;
 
-        if (!(meta instanceof CraftMetaTileEntity) || ((CraftMetaTileEntity) meta).material != material) {
+        if (!(meta instanceof CraftMetaTileEntity) 
+                || ((CraftMetaTileEntity) meta).material != material
+                || material == Material.SIGN
+                || material == Material.COMMAND) {
             blockEntityTag = null;
             return;
         }