diff --git a/src/spicelib/analysis/cktspnoise.c b/src/spicelib/analysis/cktspnoise.c
index 546267873..1c44a6259 100644
--- a/src/spicelib/analysis/cktspnoise.c
+++ b/src/spicelib/analysis/cktspnoise.c
@@ -19,13 +19,14 @@ Author: 1987 Gary W. Ng
 #include "ngspice/noisedef.h"
 #include "ngspice/sperror.h"
 
-#ifdef RFSPICE
+ /* not used, CKTspnoise is in span.c */
+#ifdef RFSPICE_
 
 // Derived from CKTnoise
 
 
 int
-CKTSPnoise (CKTcircuit *ckt, int mode, int operation, Ndata *data)
+CKTSPnoise(CKTcircuit *ckt, int mode, int operation, Ndata *data)
 {
     NOISEAN *job = (NOISEAN *) ckt->CKTcurJob;
 
diff --git a/src/spicelib/analysis/noisesp.c b/src/spicelib/analysis/noisesp.c
index 2f8f38c3b..f96cbda2f 100644
--- a/src/spicelib/analysis/noisesp.c
+++ b/src/spicelib/analysis/noisesp.c
@@ -26,7 +26,8 @@ Modified: 2001 AlansFixes
 extern int fixme_onoise_type;
 extern int fixme_inoise_type;
 
-#ifdef RFSPICE
+/* not used */
+#ifdef RFSPICE_
 
 int
 NOISEsp (CKTcircuit *ckt, int restart)