diff --git a/src/globals.c b/src/globals.c
index 366a9ff0..bcf3dab7 100644
--- a/src/globals.c
+++ b/src/globals.c
@@ -25,8 +25,6 @@
 
 /* X11 specific globals */
 Colormap colormap;
-Window pre_window; /* preview when opening files */
-Window parent_of_topwindow;
 unsigned char **pixdata;
 unsigned char pixdata_init[22][32]={    /* fill patterns... indexed by laynumb. */
 {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, 0xff,/*0 */
diff --git a/src/xinit.c b/src/xinit.c
index 499b9c73..d1f0d0c2 100644
--- a/src/xinit.c
+++ b/src/xinit.c
@@ -156,7 +156,7 @@ void windowid()
   Tk_Window mainwindow;
 
   unsigned int ww;
-  Window framewin, rootwindow;
+  Window framewin, rootwindow, parent_of_topwindow;
   Window *framewin_child_ptr;
   unsigned int framewindow_nchildren;
 
diff --git a/src/xschem.h b/src/xschem.h
index b1b67e69..b30b0d01 100644
--- a/src/xschem.h
+++ b/src/xschem.h
@@ -767,8 +767,6 @@ extern const char fopen_read_mode[]; /* "r" on unix, "rb" on windows */
 
 /* X11 specific globals */
 extern Colormap colormap;
-extern Window pre_window;
-extern Window parent_of_topwindow;
 extern unsigned char **pixdata;
 extern unsigned char pixdata_init[22][32];
 extern GC *gc, *gcstipple;