diff --git a/paper-api/src/main/java/org/bukkit/block/data/type/Bell.java b/paper-api/src/main/java/org/bukkit/block/data/type/Bell.java
index e83f41b23f..9b8abfff4d 100644
--- a/paper-api/src/main/java/org/bukkit/block/data/type/Bell.java
+++ b/paper-api/src/main/java/org/bukkit/block/data/type/Bell.java
@@ -1,12 +1,13 @@
 package org.bukkit.block.data.type;
 
 import org.bukkit.block.data.Directional;
+import org.bukkit.block.data.Powerable;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * 'attachment' denotes how the bell is attached to its block.
  */
-public interface Bell extends Directional {
+public interface Bell extends Directional, Powerable {
 
     /**
      * Gets the value of the 'attachment' property.
diff --git a/paper-api/src/main/java/org/bukkit/block/data/type/Wall.java b/paper-api/src/main/java/org/bukkit/block/data/type/Wall.java
index 85594ec289..2a14ccd108 100644
--- a/paper-api/src/main/java/org/bukkit/block/data/type/Wall.java
+++ b/paper-api/src/main/java/org/bukkit/block/data/type/Wall.java
@@ -7,9 +7,25 @@ import org.jetbrains.annotations.NotNull;
 /**
  * This class encompasses the 'north', 'east', 'south', 'west', height flags
  * which are used to set the height of a wall.
+ *
+ * 'up' denotes whether the well has a center post.
  */
 public interface Wall extends Waterlogged {
 
+    /**
+     * Gets the value of the 'up' property.
+     *
+     * @return the 'up' value
+     */
+    boolean isUp();
+
+    /**
+     * Sets the value of the 'up' property.
+     *
+     * @param up the new 'up' value
+     */
+    void setUp(boolean up);
+
     /**
      * Gets the height of the specified face.
      *