diff --git a/demos/gtk-demo/bluroverlay.h b/demos/gtk-demo/bluroverlay.h
index 0bae08401b..70f1c55c65 100644
--- a/demos/gtk-demo/bluroverlay.h
+++ b/demos/gtk-demo/bluroverlay.h
@@ -18,8 +18,7 @@
* License along with this library. If not, see .
*/
-#ifndef __BLUR_OVERLAY_H__
-#define __BLUR_OVERLAY_H__
+#pragma once
#include
@@ -60,5 +59,3 @@ void blur_overlay_set_child (BlurOverlay *overlay,
GtkWidget *widget);
G_END_DECLS
-
-#endif /* __BLUR_OVERLAY_H__ */
diff --git a/demos/gtk-demo/demotaggedentry.h b/demos/gtk-demo/demotaggedentry.h
index 9724fa58d4..e733179987 100644
--- a/demos/gtk-demo/demotaggedentry.h
+++ b/demos/gtk-demo/demotaggedentry.h
@@ -18,8 +18,7 @@
* License along with this library. If not, see .
*/
-#ifndef __DEMO_TAGGED_ENTRY_H__
-#define __DEMO_TAGGED_ENTRY_H__
+#pragma once
#include
@@ -57,5 +56,3 @@ void demo_tagged_entry_tag_set_has_close_button (DemoTaggedEntryTag *
gboolean has_close_button);
G_END_DECLS
-
-#endif /* __DEMO_TAGGED_ENTRY_H__ */
diff --git a/demos/gtk-demo/fontplane.h b/demos/gtk-demo/fontplane.h
index 73b310a917..94187db744 100644
--- a/demos/gtk-demo/fontplane.h
+++ b/demos/gtk-demo/fontplane.h
@@ -15,8 +15,7 @@
* License along with this library. If not, see .
*/
-#ifndef __GTK_FONT_PLANE_H__
-#define __GTK_FONT_PLANE_H__
+#pragma once
#include
@@ -60,5 +59,3 @@ GtkWidget * gtk_font_plane_new (GtkAdjustment *width_adj,
GtkAdjustment *weight_adj);
G_END_DECLS
-
-#endif /* __GTK_FONT_PLANE_H__ */
diff --git a/demos/gtk-demo/gskshaderpaintable.h b/demos/gtk-demo/gskshaderpaintable.h
index 98fd2bcaa7..cbc38dbabc 100644
--- a/demos/gtk-demo/gskshaderpaintable.h
+++ b/demos/gtk-demo/gskshaderpaintable.h
@@ -17,8 +17,7 @@
* Authors: Matthias Clasen
*/
-#ifndef __GSK_SHADER_PAINTABLE_H__
-#define __GSK_SHADER_PAINTABLE_H__
+#pragma once
#include
#include
@@ -42,5 +41,3 @@ void gsk_shader_paintable_update_time (GskShaderPaintable *self
int time_idx,
gint64 frame_time);
G_END_DECLS
-
-#endif /* __GSK_SHADER_PAINTABLE_H__ */
diff --git a/demos/gtk-demo/gtkfishbowl.h b/demos/gtk-demo/gtkfishbowl.h
index 34ea83b40a..837efb7bc7 100644
--- a/demos/gtk-demo/gtkfishbowl.h
+++ b/demos/gtk-demo/gtkfishbowl.h
@@ -15,8 +15,7 @@
* License along with this library. If not, see .
*/
-#ifndef __GTK_FISHBOWL_H__
-#define __GTK_FISHBOWL_H__
+#pragma once
#include
@@ -65,5 +64,3 @@ void gtk_fishbowl_set_creation_func (GtkFishbowl *fishbowl,
GtkFishCreationFunc creation_func);
G_END_DECLS
-
-#endif /* __GTK_FISHBOWL_H__ */
diff --git a/demos/gtk-demo/gtkgears.h b/demos/gtk-demo/gtkgears.h
index 0109723c14..5ebfa535ca 100644
--- a/demos/gtk-demo/gtkgears.h
+++ b/demos/gtk-demo/gtkgears.h
@@ -1,5 +1,4 @@
-#ifndef __GTK_GEARS_H__
-#define __GTK_GEARS_H__
+#pragma once
#include
@@ -44,5 +43,3 @@ void gtk_gears_set_fps_label (GtkGears *gears,
G_END_DECLS
-
-#endif /* __GTK_GEARS_H__ */
diff --git a/demos/gtk-demo/gtkshaderbin.h b/demos/gtk-demo/gtkshaderbin.h
index 32ed18fe6f..fdc09cf6c7 100644
--- a/demos/gtk-demo/gtkshaderbin.h
+++ b/demos/gtk-demo/gtkshaderbin.h
@@ -1,5 +1,4 @@
-#ifndef __GTK_SHADER_BIN_H__
-#define __GTK_SHADER_BIN_H__
+#pragma once
#include
@@ -19,5 +18,3 @@ void gtk_shader_bin_set_child (GtkShaderBin *self,
GtkWidget *gtk_shader_bin_get_child (GtkShaderBin *self);
G_END_DECLS
-
-#endif /* __GTK_SHADER_BIN_H__ */
diff --git a/demos/gtk-demo/gtkshaderstack.h b/demos/gtk-demo/gtkshaderstack.h
index 16d1fe9e3f..c146fc04be 100644
--- a/demos/gtk-demo/gtkshaderstack.h
+++ b/demos/gtk-demo/gtkshaderstack.h
@@ -1,5 +1,4 @@
-#ifndef __GTK_SHADER_STACK_H__
-#define __GTK_SHADER_STACK_H__
+#pragma once
#include
@@ -19,5 +18,3 @@ void gtk_shader_stack_set_active (GtkShaderStack *self,
int index);
G_END_DECLS
-
-#endif /* __GTK_SHADER_STACK_H__ */
diff --git a/demos/gtk-demo/gtkshadertoy.h b/demos/gtk-demo/gtkshadertoy.h
index 38f48995b8..b56b928c75 100644
--- a/demos/gtk-demo/gtkshadertoy.h
+++ b/demos/gtk-demo/gtkshadertoy.h
@@ -1,5 +1,4 @@
-#ifndef __GTK_SHADERTOY_H__
-#define __GTK_SHADERTOY_H__
+#pragma once
#include
@@ -30,5 +29,3 @@ void gtk_shadertoy_set_image_shader (GtkShadertoy *shadertoy,
const char *shader);
G_END_DECLS
-
-#endif /* __GTK_SHADERTOY_H__ */
diff --git a/demos/gtk-demo/language-names.h b/demos/gtk-demo/language-names.h
index 562f7ae2f8..2fe8b5ad4e 100644
--- a/demos/gtk-demo/language-names.h
+++ b/demos/gtk-demo/language-names.h
@@ -1,5 +1,4 @@
-#ifndef LANGUAGE_NAMES_H
-#define LANGUAGE_NAMES_H
+#pragma once
#include
@@ -9,5 +8,3 @@ const char * get_language_name (PangoLanguage *language);
const char * get_language_name_for_tag (guint32 tag);
G_END_DECLS
-
-#endif
diff --git a/demos/gtk-demo/paintable.h b/demos/gtk-demo/paintable.h
index b8d78160bb..0043b29119 100644
--- a/demos/gtk-demo/paintable.h
+++ b/demos/gtk-demo/paintable.h
@@ -1,5 +1,4 @@
-#ifndef __PAINTABLE_H__
-#define __PAINTABLE_H__
+#pragma once
#include
@@ -13,5 +12,3 @@ void gtk_nuclear_snapshot (GtkSnapshot *snapshot,
GdkPaintable * gtk_nuclear_icon_new (double rotation);
GdkPaintable * gtk_nuclear_animation_new (gboolean draw_background);
GtkMediaStream *gtk_nuclear_media_stream_new (void);
-
-#endif /* __PAINTABLE_H__ */
diff --git a/demos/gtk-demo/puzzlepiece.h b/demos/gtk-demo/puzzlepiece.h
index b7fc97dc05..0de8126f35 100644
--- a/demos/gtk-demo/puzzlepiece.h
+++ b/demos/gtk-demo/puzzlepiece.h
@@ -1,5 +1,4 @@
-#ifndef __PUZZLE_PIECE_H__
-#define __PUZZLE_PIECE_H__
+#pragma once
#include
@@ -19,5 +18,3 @@ GdkPaintable * gtk_puzzle_piece_new (GdkPaintable *puzzle,
GdkPaintable * gtk_puzzle_piece_get_puzzle (GtkPuzzlePiece *self);
guint gtk_puzzle_piece_get_x (GtkPuzzlePiece *self);
guint gtk_puzzle_piece_get_y (GtkPuzzlePiece *self);
-
-#endif /* __PUZZLE_PIECE_H__ */
diff --git a/demos/gtk-demo/script-names.h b/demos/gtk-demo/script-names.h
index 3036c05b56..50435d0eb1 100644
--- a/demos/gtk-demo/script-names.h
+++ b/demos/gtk-demo/script-names.h
@@ -1,5 +1,4 @@
-#ifndef SCRIPT_NAMES_H
-#define SCRIPT_NAMES_H
+#pragma once
#include
@@ -9,5 +8,3 @@ const char * get_script_name (GUnicodeScript script);
const char * get_script_name_for_tag (guint32 tag);
G_END_DECLS
-
-#endif