diff --git a/Makefile.am b/Makefile.am
index 089c4a227..e52fe2cb5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -379,7 +379,6 @@ i3_nagbar_i3_nagbar_LDADD = \
 
 i3_nagbar_i3_nagbar_SOURCES = \
 	i3-nagbar/atoms.xmacro \
-	i3-nagbar/i3-nagbar.h \
 	i3-nagbar/main.c
 
 i3bar_i3bar_CPPFLAGS = \
diff --git a/i3-config-wizard/main.c b/i3-config-wizard/main.c
index 9e07d1f7d..e857f1b4c 100644
--- a/i3-config-wizard/main.c
+++ b/i3-config-wizard/main.c
@@ -9,6 +9,7 @@
  *
  */
 #include <config.h>
+#include "libi3.h"
 
 #include "libi3.h"
 
diff --git a/i3-nagbar/i3-nagbar.h b/i3-nagbar/i3-nagbar.h
deleted file mode 100644
index cb672bead..000000000
--- a/i3-nagbar/i3-nagbar.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#pragma once
-
-#include <config.h>
-
-#include <err.h>
-
-#define die(...) errx(EXIT_FAILURE, __VA_ARGS__);
-#define FREE(pointer)   \
-    do {                \
-        free(pointer);  \
-        pointer = NULL; \
-    } while (0)
-
-#define xmacro(atom) xcb_atom_t A_##atom;
-#include "atoms.xmacro"
-#undef xmacro
-
-extern xcb_window_t root;
diff --git a/i3-nagbar/main.c b/i3-nagbar/main.c
index 5558865b3..be29aa0f1 100644
--- a/i3-nagbar/main.c
+++ b/i3-nagbar/main.c
@@ -8,15 +8,15 @@
  * when the user has an error in their configuration file.
  *
  */
+#include <config.h>
+#include "libi3.h"
+
 #include <err.h>
-#include <errno.h>
 #include <fcntl.h>
 #include <getopt.h>
 #include <limits.h>
 #include <paths.h>
-#include <stdbool.h>
 #include <stdint.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
@@ -28,14 +28,10 @@
 #include <xcb/xcb.h>
 #include <xcb/xcb_aux.h>
 #include <xcb/xcb_cursor.h>
-#include <xcb/xcb_event.h>
 
 xcb_visualtype_t *visual_type = NULL;
-#include "libi3.h"
 
 #define SN_API_NOT_YET_FROZEN 1
-#include "i3-nagbar.h"
-
 #include <libsn/sn-launchee.h>
 
 #define MSG_PADDING logical_px(8)
@@ -45,6 +41,12 @@ xcb_visualtype_t *visual_type = NULL;
 #define CLOSE_BTN_GAP logical_px(15)
 #define BAR_BORDER logical_px(2)
 
+#define xmacro(atom) xcb_atom_t A_##atom;
+#include "atoms.xmacro"
+#undef xmacro
+
+#define die(...) errx(EXIT_FAILURE, __VA_ARGS__);
+
 static char *argv0 = NULL;
 
 typedef struct {
@@ -314,8 +316,8 @@ static xcb_rectangle_t get_window_position(void) {
     goto free_resources;
 
 free_resources:
-    FREE(res);
-    FREE(primary);
+    free(res);
+    free(primary);
     return result;
 }
 
@@ -598,7 +600,7 @@ int main(int argc, char *argv[]) {
         free(event);
     }
 
-    FREE(pattern);
+    free(pattern);
     draw_util_surface_free(conn, &bar);
 
     return 0;