diff --git a/isometric-park-fna/FNAGame.cs b/isometric-park-fna/FNAGame.cs
--- a/isometric-park-fna/FNAGame.cs
+++ b/isometric-park-fna/FNAGame.cs
@@ -481,9 +481,11 @@
         Stopwatch stopWatch = new Stopwatch();
         stopWatch.Start();
 
+#if DEBUG
         float volume = 1.0f;
         float pitch = 0.0f;
         float pan = 0.0f;
+#endif
 
         KeyboardState keyboardCur = Keyboard.GetState();
         MouseState mouseCur = Mouse.GetState();