diff --git a/src/libCom/calc/postfix.c b/src/libCom/calc/postfix.c
index 04404fe51..79deeef8d 100644
--- a/src/libCom/calc/postfix.c
+++ b/src/libCom/calc/postfix.c
@@ -376,7 +376,6 @@ epicsShareFunc long
 	    /* For : operator, also push COND_END code to stack */
 	    if (pel->name[0] == ':') {
 		if (--cond_count < 0) {
-                    fprintf(stderr, "postfix: ':' without '?'\n");
 		    *perror = CALC_ERR_CONDITIONAL;
 		    goto bad;
 		}
@@ -408,7 +407,6 @@ epicsShareFunc long
 
 /*
  * 	    if (cond_count != 0) {
- *                 fprintf(stderr, "postfix: unbalanced '?:' at ';'\n");
  * 		*perror = CALC_ERR_CONDITIONAL;
  * 		goto bad;
  * 	    }
@@ -458,7 +456,6 @@ epicsShareFunc long
 
 /*
  *     if (cond_count != 0) {
- *         fprintf(stderr, "postfix: unbalanced '?:' at end of CALC\n");
  * 	*perror = CALC_ERR_CONDITIONAL;
  * 	goto bad;
  *     }