diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index d56eefcc9380366257ae190aed228910e593b43e..a0703d2033d22b4c30e32d47e9f0cf4b259a0603 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -89,9 +89,7 @@ static int get_prefix(GetBitContext *gb, int stop, int len)
 }
 
 static inline int decode210(GetBitContext *gb){
-    int n;
-    n = get_bits1(gb);
-    if (n == 1)
+    if (get_bits1(gb))
         return 0;
     else
         return 2 - get_bits1(gb);