diff --git a/libavformat/vividas.c b/libavformat/vividas.c
index 1ac86a107e..d7d75a8d3c 100644
--- a/libavformat/vividas.c
+++ b/libavformat/vividas.c
@@ -164,8 +164,6 @@ static void decode_block(uint8_t *src, uint8_t *dest, unsigned size,
     }
 
     if (s >= 4) {
-        if (!align)
-            align = 4;
         xor_block(src + a2, dest + a2, s & ~3,
                   key, key_ptr);
         s &= 3;