Get rid of unused local variable.
diff --git a/Modules/operator.c b/Modules/operator.c
index 0198482..93566f4 100644
--- a/Modules/operator.c
+++ b/Modules/operator.c
@@ -169,7 +169,7 @@
 op_delslice(s,a)
      PyObject *s, *a;
 {
-  PyObject *a1, *a4;
+  PyObject *a1;
   long a2,a3;
 
   if(! PyArg_ParseTuple(a,"Oii",&a1,&a2,&a3)) return NULL;