diff --git a/src/spicelib/analysis/cktspdum.c b/src/spicelib/analysis/cktspdum.c
index 90dddfa78..59ca57565 100644
--- a/src/spicelib/analysis/cktspdum.c
+++ b/src/spicelib/analysis/cktspdum.c
@@ -8,6 +8,8 @@ Author: 1985 Thomas L. Quarles
      * into the rawfile.
      */
 
+
+
 #include "ngspice/ngspice.h"
 #include "ngspice/smpdefs.h"
 #include "ngspice/cktdefs.h"
@@ -15,6 +17,8 @@ Author: 1985 Thomas L. Quarles
 #include "ngspice/ifsim.h"
 #include "vsrc/vsrcdefs.h"
 
+#ifdef RFSPICE
+
 extern CMat* eyem;
 extern CMat* zref;
 extern CMat* gn;
@@ -214,3 +218,5 @@ CKTspDump(CKTcircuit *ckt, double freq, runDesc *plot, unsigned int doNoise)
     FREE(data);
     return(OK);
 }
+
+#endif