diff --git a/plug-ins/file-dds/dxt.c b/plug-ins/file-dds/dxt.c
index d19b74783a..14e203c99e 100644
--- a/plug-ins/file-dds/dxt.c
+++ b/plug-ins/file-dds/dxt.c
@@ -108,6 +108,9 @@ extract_block (const unsigned char *src,
     }
 }
 
+#if 0
+/* Currently unused, hidden to avoid compilation warnings. */
+
 /* pack BGR8 to RGB565 */
 static inline unsigned short
 pack_rgb565 (const unsigned char *c)
@@ -116,6 +119,7 @@ pack_rgb565 (const unsigned char *c)
          (mul8bit(c[1], 63) <<  5) |
          (mul8bit(c[0], 31)      );
 }
+#endif
 
 /* unpack RGB565 to BGR */
 static void