diff --git a/src/maths/cmaths/cmath2.c b/src/maths/cmaths/cmath2.c
index 7af7cd84e..d6ce651af 100644
--- a/src/maths/cmaths/cmath2.c
+++ b/src/maths/cmaths/cmath2.c
@@ -369,7 +369,6 @@ cx_avg(void *data, short int type, int length, int *newlength, short int *newtyp
 void*
 cx_m3avg(void* data, short int type, int length, int* newlength, short int* newtype)
 {
-    double sum_real = 0.0, sum_imag = 0.0;
     int i;
 
     if (type == VF_REAL) {
diff --git a/src/maths/cmaths/cmath4.c b/src/maths/cmaths/cmath4.c
index 870bee140..a1f547d97 100644
--- a/src/maths/cmaths/cmath4.c
+++ b/src/maths/cmaths/cmath4.c
@@ -1028,7 +1028,7 @@ cx_mtimeavg(void* data, short int type, int length, int* newlength, short int* n
         return (NULL);
     }
 
-    if (!cp_getvar("mtimeavgwindow", CP_REAL, &tdelta, 0))
+    if (!cp_getvar("mtimeavgwindow", CP_REAL, &tdelta, 0)) {
         if (ft_curckt == (struct circ*)NULL) {
             tdelta = 1e-6;
             fprintf(cp_out, "Note: mtimeavgwindow not given, window set to %g s\n", tdelta);
@@ -1038,6 +1038,7 @@ cx_mtimeavg(void* data, short int type, int length, int* newlength, short int* n
             tdelta = 10.0 * ckt->CKTstep;
             fprintf(cp_out, "Note: mtimeavgwindow not given, window set to %g s\n", tdelta);
         }
+    }
 
     sc = pl->pl_scale;
     dsc = sc->v_realdata;