diff --git a/src/pd.tk b/src/pd.tk
index 0d1c5301298aa0a30ccac01a6a763e5f06e3ff3f..88e755b681b0a3c80aa616f3132313bd0226bc38 100644
--- a/src/pd.tk
+++ b/src/pd.tk
@@ -878,7 +878,6 @@ catch {
 if { [info tclversion] >= 8.5 && $pd_nt == 0 } { wm resizable . 0 0 }
 # Intercept closing the main pd window: MP 20060413:
 wm protocol . WM_DELETE_WINDOW menu_quit
-puts stderr [winfo class .]
 focus .