diff --git a/src/os_unix.c b/src/os_unix.c
index f951f18..c72cd83 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -1319,12 +1319,6 @@
     XErrorEvent	*error_event;
 {
     XGetErrorText(dpy, error_event->error_code, (char *)IObuff, IOSIZE);
-#if defined(FEAT_GUI_KDE)
-    /* KDE sometimes produces X error that we want to ignore */
-    STRCAT(IObuff, _("\nVim: Got X error but we continue...\n"));
-    mch_errmsg((char *)IObuff);
-    return 0;
-#else
     STRCAT(IObuff, _("\nVim: Got X error\n"));
 
     /* We cannot print a message and continue, because no X calls are allowed
@@ -1333,7 +1327,6 @@
     preserve_exit();		    /* preserve files and exit */
 
     return 0;		/* NOTREACHED */
-#endif
 }
 
 /*
@@ -1474,7 +1467,7 @@
 	did_set_error_handler = TRUE;
     }
 
-#if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_KDE)
+#if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
     if (gui.in_use)
     {
 	/*
@@ -1896,11 +1889,6 @@
      * Note: if "t_TS" is set, title is set with escape sequence rather
      *	     than x11 calls, because the x11 calls don't always work
      */
-#ifdef FEAT_GUI_KDE
-    /* dont know why but KDE needs this one as we don't go through the next
-     * function... */
-    gui_mch_settitle(title, icon);
-#endif
     if ((type || *T_TS != NUL) && title != NULL)
     {
 	if (oldtitle == NULL