diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c
index 4f2b21a51f..9d8080141c 100644
--- a/libavcodec/ra144.c
+++ b/libavcodec/ra144.c
@@ -195,7 +195,6 @@ static unsigned int rms(const int *data)
         data++;
     }
 
-    if (res > 0)
         res = t_sqrt(res);
 
     res >>= (b + 10);