register storage class is deprecated
diff --git a/coders/sfw.c b/coders/sfw.c
index 7923fd7..979c589 100644
--- a/coders/sfw.c
+++ b/coders/sfw.c
@@ -123,7 +123,7 @@
 static unsigned char *SFWScan(const unsigned char *p,const unsigned char *q,
   const unsigned char *target,const size_t length)
 {
-  register ssize_t
+  ssize_t
     i;
 
   while ((p+length) < q)
@@ -216,7 +216,7 @@
   MagickBooleanType
     status;
 
-  register unsigned char
+  unsigned char
     *header,
     *data;