diff --git a/lib/fls.h b/lib/fls.h
index dc7ecd0d62..99e1862a34 100644
--- a/lib/fls.h
+++ b/lib/fls.h
@@ -32,7 +32,6 @@ static inline int __fls(int x)
 		r -= 2;
 	}
 	if (!(x & 0x80000000u)) {
-		x <<= 1;
 		r -= 1;
 	}
 	return r;