diff --git a/doc/general.texi b/doc/general.texi
index 134ebd1b48..9a9b54b29f 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -758,8 +758,6 @@ following image formats are supported:
 @item ADPCM SEGA CRI ADX     @tab  X  @tab  X
     @tab Used in Sega Dreamcast games.
 @item ADPCM Shockwave Flash  @tab  X  @tab  X
-@item ADPCM SMJPEG IMA       @tab     @tab  X
-    @tab Used in certain Loki game ports.
 @item ADPCM Sound Blaster Pro 2-bit  @tab     @tab  X
 @item ADPCM Sound Blaster Pro 2.6-bit  @tab     @tab  X
 @item ADPCM Sound Blaster Pro 4-bit  @tab     @tab  X