diff --git a/src/callback.c b/src/callback.c
index 8ef8bbfc..225437c7 100644
--- a/src/callback.c
+++ b/src/callback.c
@@ -340,7 +340,7 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
     /* determine if mouse pointer is below xaxis or left of yaxis in some graph */
     if( POINTINSIDE(xctx->mousex, xctx->mousey, r->x1, r->y1, r->x2, r->y2)) {
       dbg(1, "mouse inside: %d\n", i);
-      setup_graph_data(i, xctx->graph_flags, 0, gr);
+      setup_graph_data(i, 0, gr);
 
       /* move cursor1 */
       /* set cursor position from master graph x-axis */
@@ -517,7 +517,7 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
     gr->gx1 = gr->master_gx1;
     gr->gx2 = gr->master_gx2;
     gr->gw = gr->master_gw;
-    setup_graph_data(i, xctx->graph_flags, 1, gr); /* skip flag set, no reload x1 and x2 fields */
+    setup_graph_data(i, 1, gr); /* skip flag set, no reload x1 and x2 fields */
     if(gr->dataset >= 0 && gr->dataset < xctx->graph_datasets) dataset =gr->dataset;
     else dataset = -1;
     /* destroy / show measurement widget */
@@ -1024,7 +1024,7 @@ static int waves_callback(int event, int mx, int my, KeySym key, int button, int
       }
     } /* else if( event == ButtonRelease) */
     if(need_redraw || need_all_redraw) {
-      setup_graph_data(i, xctx->graph_flags, 0, gr);
+      setup_graph_data(i, 0, gr);
       draw_graph(i, 1 + 8 + (xctx->graph_flags & 6), gr, NULL); /* draw data in each graph box */
     }
   } /* for(i=0; i< xctx->rects[GRIDLAYER]; i++ */
diff --git a/src/draw.c b/src/draw.c
index ae18a4db..a796a5c3 100644
--- a/src/draw.c
+++ b/src/draw.c
@@ -2088,7 +2088,7 @@ static void draw_graph_grid(Graph_ctx *gr, void *ct)
   bbox(END, 0.0, 0.0, 0.0, 0.0);
 }
 
-void setup_graph_data(int i, const int flags, int skip, Graph_ctx *gr)
+void setup_graph_data(int i, int skip, Graph_ctx *gr)
 {
   double tmp;
   const char *val;
@@ -2215,7 +2215,7 @@ void setup_graph_data(int i, const int flags, int skip, Graph_ctx *gr)
    * tmp =  gr->w * 0.00044;
    * if(tmp < gr->txtsizelab) gr->txtsizelab = tmp;
    */
-  if(flags & 2)
+  if(xctx->graph_flags & 2)
     gr->digtxtsizelab = 0.000900 * fabs( gr->h / gr->posh * gr->gh ); 
   else
     gr->digtxtsizelab = 0.001200 * fabs( gr->h / gr->posh * gr->gh );
@@ -3033,7 +3033,7 @@ static void draw_graph_all(int flags)
       if(xctx->enable_layer[GRIDLAYER]) for(i = 0; i < xctx->rects[GRIDLAYER]; ++i) {
         xRect *r = &xctx->rect[GRIDLAYER][i];
         if(r->flags & 1) {
-          setup_graph_data(i, flags, 0, &xctx->graph_struct);
+          setup_graph_data(i, 0, &xctx->graph_struct);
           draw_graph(i, flags, &xctx->graph_struct, NULL); /* draw data in each graph box */
         }
       }
@@ -3318,7 +3318,7 @@ void svg_embedded_graph(FILE *fd, xRect *r, double rx1, double ry1, double rx2,
     for(int i = 0; i < xctx->rects[GRIDLAYER]; ++i) {
       xRect *r = &xctx->rect[GRIDLAYER][i];
       if(r->flags & 1) {
-        setup_graph_data(i, 8, 0, &xctx->graph_struct);
+        setup_graph_data(i, 0, &xctx->graph_struct);
         draw_graph(i, 8, &xctx->graph_struct, (void *)ct);
       }
     }
diff --git a/src/psprint.c b/src/psprint.c
index 0414e557..972baa11 100644
--- a/src/psprint.c
+++ b/src/psprint.c
@@ -318,7 +318,7 @@ void ps_embedded_graph(xRect* r, double rx1, double ry1, double rx2, double ry2)
   for (i = 0; i < xctx->rects[GRIDLAYER]; ++i) {
     xRect* r2 = &xctx->rect[GRIDLAYER][i];
     if (r2->flags & 1) {
-      setup_graph_data(i, 8, 0, &xctx->graph_struct);
+      setup_graph_data(i, 0, &xctx->graph_struct); 
       draw_graph(i, 8, &xctx->graph_struct, (void*)ct);
     }
   }
diff --git a/src/scheduler.c b/src/scheduler.c
index f6fb7be8..eefcfa56 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -682,7 +682,7 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
         } else {
           flags = 1 + 8 + (xctx->graph_flags & 6);
         }
-        setup_graph_data(i, xctx->graph_flags, 0,  &xctx->graph_struct);
+        setup_graph_data(i, 0,  &xctx->graph_struct);
         draw_graph(i, flags, &xctx->graph_struct, NULL);
       }
       Tcl_ResetResult(interp);
diff --git a/src/xschem.h b/src/xschem.h
index b1174dc8..a963335a 100644
--- a/src/xschem.h
+++ b/src/xschem.h
@@ -1108,7 +1108,7 @@ extern int sch_waves_loaded(void);
 extern int edit_wave_attributes(int what, int i, Graph_ctx *gr);
 extern void draw_graph(int i, int flags, Graph_ctx *gr, void *ct);
 extern int find_closest_wave(int i, Graph_ctx *gr);
-extern void setup_graph_data(int i, const int flags, int skip, Graph_ctx *gr);
+extern void setup_graph_data(int i, int skip, Graph_ctx *gr);
 extern double timer(int start);
 extern void enable_layers(void);
 extern void set_snap(double);