diff --git a/src/spicelib/analysis/cktpzld.c b/src/spicelib/analysis/cktpzld.c
index 090561166..63f589bf5 100644
--- a/src/spicelib/analysis/cktpzld.c
+++ b/src/spicelib/analysis/cktpzld.c
@@ -3,7 +3,6 @@ Copyright 1990 Regents of the University of California.  All rights reserved.
 **********/
 
 #include "ngspice.h"
-#include <stdio.h>
 #include "pzdefs.h"
 #include "smpdefs.h"
 #include "cktdefs.h"
diff --git a/src/spicelib/analysis/cktpzset.c b/src/spicelib/analysis/cktpzset.c
index c091fce54..70e85754f 100644
--- a/src/spicelib/analysis/cktpzset.c
+++ b/src/spicelib/analysis/cktpzset.c
@@ -9,7 +9,6 @@ Copyright 1990 Regents of the University of California.  All rights reserved.
  */
 
 #include "ngspice.h"
-#include <stdio.h>
 #include "smpdefs.h"
 #include "cktdefs.h"
 #include "devdefs.h"
diff --git a/src/spicelib/analysis/cktpzstr.c b/src/spicelib/analysis/cktpzstr.c
index a9e28094c..56262d41b 100644
--- a/src/spicelib/analysis/cktpzstr.c
+++ b/src/spicelib/analysis/cktpzstr.c
@@ -17,7 +17,7 @@ Copyright 1990 Regents of the University of California.  All rights reserved.
 #ifdef PZDEBUG
 #  ifndef notdef
 #    define DEBUG(N)	if (Debug >= (unsigned) (N))
-static unsigned int	Debug = 1;
+static unsigned int	Debug = 3;
 #  else
 #    define DEBUG(N)	if (0)
 #  endif
@@ -719,12 +719,13 @@ CKTpzRunTrial(CKTcircuit *ckt, PZtrial **new_trialp, PZtrial **set)
 	else {
 
 	    /* PZnumswaps is either 0 or 1 */
-	    new_trial->f_raw.real *= ((PZAN *) ckt->CKTcurJob)->PZnumswaps;
-	    new_trial->f_raw.imag *= ((PZAN *) ckt->CKTcurJob)->PZnumswaps;
-	    /*
+	    new_trial->f_raw.real *=  ((PZAN *) ckt->CKTcurJob)->PZnumswaps;
+	    new_trial->f_raw.imag *=  ((PZAN *) ckt->CKTcurJob)->PZnumswaps;
+	    
+#ifdef PZDEBUG	    
 	    printf("SMP Det: (%g,%g)^%d\n", new_trial->f_raw.real,
 		    new_trial->f_raw.imag, new_trial->mag_raw);
-	    */
+#endif	    
 
 	    new_trial->f_def.real = new_trial->f_raw.real;
 	    new_trial->f_def.imag = new_trial->f_raw.imag;
diff --git a/src/spicelib/analysis/pzan.c b/src/spicelib/analysis/pzan.c
index 1a2e5ebd8..92d38c3e9 100644
--- a/src/spicelib/analysis/pzan.c
+++ b/src/spicelib/analysis/pzan.c
@@ -3,7 +3,6 @@ Copyright 1990 Regents of the University of California.  All rights reserved.
 **********/
 
 #include "ngspice.h"
-#include <stdio.h>
 #include "complex.h"
 #include "cktdefs.h"
 #include "smpdefs.h"
@@ -190,7 +189,7 @@ PZpost(CKTcircuit *ckt)
     outData.v.numValue = pzan->PZnPoles + pzan->PZnZeros;
     outData.v.vec.cVec = out_list;
 
-    (*SPfrontEnd->OUTpData)(pzPlotPtr, (IFvalue *) 0, &outData);
+    (*SPfrontEnd->OUTpData)(pzPlotPtr, (IFvalue *) 0, &outData); 
     (*(SPfrontEnd->OUTendPlot))(pzPlotPtr);
 
     return(OK);