diff --git a/st.c b/st.c
index e32789b..36ec4cd 100644
--- a/st.c
+++ b/st.c
@@ -2060,7 +2060,6 @@ strhandle(void)
 		xsettitle(strescseq.args[0]);
 		return;
 	case 'P': /* DCS -- Device Control String */
-		term.mode |= ESC_DCS;
 	case '_': /* APC -- Application Program Command */
 	case '^': /* PM -- Privacy Message */
 		return;