diff --git a/paper-api/src/main/java/org/bukkit/entity/Entity.java b/paper-api/src/main/java/org/bukkit/entity/Entity.java
index dd3b760621..6f99fe217b 100644
--- a/paper-api/src/main/java/org/bukkit/entity/Entity.java
+++ b/paper-api/src/main/java/org/bukkit/entity/Entity.java
@@ -94,6 +94,7 @@ public interface Entity extends Metadatable, CommandSender, Nameable, Persistent
      * moves.
      *
      * @return True if entity is on ground.
+     * @see Player#isOnGround()
      */
     public boolean isOnGround();
 
diff --git a/paper-api/src/main/java/org/bukkit/entity/Player.java b/paper-api/src/main/java/org/bukkit/entity/Player.java
index 263b242b40..1d5bfca29b 100644
--- a/paper-api/src/main/java/org/bukkit/entity/Player.java
+++ b/paper-api/src/main/java/org/bukkit/entity/Player.java
@@ -163,6 +163,20 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
      */
     public boolean performCommand(@NotNull String command);
 
+    /**
+     * Returns true if the entity is supported by a block.
+     *
+     * This value is a state updated by the client after each movement.
+     *
+     * @return True if entity is on ground.
+     * @deprecated This value is controlled only by the client and is therefore
+     * unreliable and vulnerable to spoofing and/or desync depending on the
+     * context/time which it is accessed
+     */
+    @Override
+    @Deprecated
+    public boolean isOnGround();
+
     /**
      * Returns if the player is in sneak mode
      *