Index: generic/nsf.c
===================================================================
diff -u -N -rac0c6ddaece9e3aa75c22761c5aa1e922c1d09e2 -re75c61b1b73f1cf239b060680e2408fa36d697fe
--- generic/nsf.c	(.../nsf.c)	(revision ac0c6ddaece9e3aa75c22761c5aa1e922c1d09e2)
+++ generic/nsf.c	(.../nsf.c)	(revision e75c61b1b73f1cf239b060680e2408fa36d697fe)
@@ -28011,12 +28011,10 @@
          * Set the value of "returns".
          */
         const char *valueString = ObjStr(valueObj);
-        Tcl_Obj    *returnsObj;
 
         if (pCtx == NULL) {
           pCtx = ProcContextRequire(cmd);
         }
-        returnsObj = pCtx->returnsObj;
 
         /* Set a new value; if there is already a value, free it */
         if (pCtx->returnsObj != NULL) {