diff --git a/ArcFormats/ImageMAI.cs b/ArcFormats/ImageMAI.cs
index ea0c3d97..7f0fd411 100644
--- a/ArcFormats/ImageMAI.cs
+++ b/ArcFormats/ImageMAI.cs
@@ -221,7 +221,6 @@ namespace GameRes.Formats.MAI
             private int     m_width;
             private int     m_height;
             private int     m_pixel_size;
-            private bool    m_compressed;
             private byte[]  m_output;
             private byte[]  m_alpha;
             private byte[]  m_pixels;