diff --git a/runelite-client/src/main/java/net/runelite/client/game/Sound.java b/runelite-client/src/main/java/net/runelite/client/game/Sound.java
index cad967e08b..e9cb20dfaf 100644
--- a/runelite-client/src/main/java/net/runelite/client/game/Sound.java
+++ b/runelite-client/src/main/java/net/runelite/client/game/Sound.java
@@ -20,8 +20,8 @@ public enum Sound
 	RESTORED_SPECIAL_ATTACK(16, "net/runelite/client/game/sounds/restorespec.wav"),
 	IDLE(17, "net/runelite/client/game/sounds/idle.wav");
 
-	private String filePath;
-	private int id;
+	private final String filePath;
+	private final int id;
 
 	Sound(int id, String filePath)
 	{
diff --git a/runelite-client/src/main/java/net/runelite/client/game/SpriteManager.java b/runelite-client/src/main/java/net/runelite/client/game/SpriteManager.java
index b9a6de5272..1b4ca5159e 100644
--- a/runelite-client/src/main/java/net/runelite/client/game/SpriteManager.java
+++ b/runelite-client/src/main/java/net/runelite/client/game/SpriteManager.java
@@ -54,7 +54,7 @@ public class SpriteManager
 	@Inject
 	private ClientThread clientThread;
 
-	private Cache<Long, BufferedImage> cache = CacheBuilder.newBuilder()
+	private final Cache<Long, BufferedImage> cache = CacheBuilder.newBuilder()
 		.maximumSize(128L)
 		.expireAfterAccess(1, TimeUnit.HOURS)
 		.build();