diff --git a/src/cmp/cmploc.lsp b/src/cmp/cmploc.lsp
index ca6a93d..87e6232 100644
--- src/cmp/cmploc.lsp
+++ src/cmp/cmploc.lsp
@@ -98,7 +98,7 @@
            (and (eq (car loc) 'C-INLINE)
                 (eq (sixth loc) 'VALUES)))))
 
-(defun loc-immediate-value-p (loc &aux head)
+(defun loc-immediate-value-p (loc)
   (cond ((eq loc t)
          (values t t))
         ((eq loc nil)
@@ -112,9 +112,9 @@
                (values t value))))
         ((atom loc)
          (values nil nil))
-
-        ((member head '(fixnum-value character-value long-float-value
-                        double-float-value single-float-value))
+        ((member (first loc)
+                 '(fixnum-value character-value long-float-value
+                   double-float-value single-float-value))
          (values t (second loc)))
         (t
          (values nil nil))))
@@ -123,7 +123,7 @@
   (baboon :format-control "Unknown location found in ~A~%~S"
           :format-arguments (list where loc)))
 
-(defun wt-loc (loc &aux fd)
+(defun wt-loc (loc)
   (cond ((consp loc)
          (let ((fd (gethash (car loc) *wt-loc-dispatch-table*)))
            (if fd