diff --git a/src/common.h b/src/common.h
index 3989313..30fbafd 100644
--- a/src/common.h
+++ b/src/common.h
@@ -65,6 +65,7 @@
 #include <ctype.h>
 #include <sys/time.h>
 
+#include <X11/Xlib.h>
 #include <xcb/composite.h>
 #include <xcb/render.h>
 #include <xcb/damage.h>
@@ -871,7 +872,7 @@ static inline xcb_atom_t
 get_atom(session_t *ps, const char *atom_name) {
   xcb_intern_atom_reply_t *reply =
     xcb_intern_atom_reply(ps->c,
-        xcb_intern_atom(ps->c, False, strlen(atom_name), atom_name),
+        xcb_intern_atom(ps->c, 0, strlen(atom_name), atom_name),
         NULL);
 
   xcb_atom_t atom = XCB_NONE;
@@ -993,14 +994,6 @@ set_ignore(session_t *ps, unsigned long sequence) {
   ps->ignore_tail = &i->next;
 }
 
-/**
- * Ignore X errors caused by next X request.
- */
-static inline void
-set_ignore_next(session_t *ps) {
-  set_ignore(ps, NextRequest(ps->dpy));
-}
-
 /**
  * Ignore X errors caused by given X request.
  */
diff --git a/src/win.c b/src/win.c
index 6d399a0..6425c46 100644
--- a/src/win.c
+++ b/src/win.c
@@ -249,7 +249,6 @@ static inline bool win_bounding_shaped(const session_t *ps, xcb_window_t wid) {
 }
 
 wintype_t wid_get_prop_wintype(session_t *ps, xcb_window_t wid) {
-  set_ignore_next(ps);
   winprop_t prop = wid_get_prop(ps, wid, ps->atom_win_type, 32L, XCB_ATOM_ATOM, 32);
 
   for (unsigned i = 0; i < prop.nitems; ++i) {
diff --git a/src/x.c b/src/x.c
index ee9cf1e..2543011 100644
--- a/src/x.c
+++ b/src/x.c
@@ -2,6 +2,7 @@
 // Copyright (c) 2018 Yuxuan Shui <yshuiv7@gmail.com>
 #include <stdbool.h>
 
+#include <X11/Xutil.h>
 #include <xcb/xcb_renderutil.h>
 #include <xcb/xfixes.h>
 #include <xcb/sync.h>