diff --git a/MagickCore/feature.c b/MagickCore/feature.c
index 058c3dd..bba5438 100644
--- a/MagickCore/feature.c
+++ b/MagickCore/feature.c
@@ -181,8 +181,7 @@
     length;
 
   ssize_t
-    y,
-    z;
+    y;
 
   unsigned int
     number_grays;
@@ -1127,6 +1126,9 @@
 #endif
   for (i=0; i < 4; i++)
   {
+    ssize_t
+      z;
+
     for (z=0; z < (ssize_t) number_grays; z++)
     {
       register ssize_t