Code Style: use "#pragma once" in source directory

This replaces header include guards with `#pragma once`.
A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`),
because they are used in other places.

This patch has been generated by P1561 followed by `make format`.

Differential Revision: https://developer.blender.org/D8466

54 files changed, 54 insertions, 216 deletions

diff --git a/source/blender/editors/include/BIF_glutil.h b/source/blender/editors/include/BIF_glutil.h
index 1eb22fb34e2..e0ce72e5c3c 100644
--- a/source/blender/editors/include/BIF_glutil.h
+++ b/source/blender/editors/include/BIF_glutil.h
@@ -21,8 +21,7 @@
  * \ingroup editorui
  */
 
-#ifndef __BIF_GLUTIL_H__
-#define __BIF_GLUTIL_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -177,5 +176,3 @@ void immDrawBorderCorners(unsigned int pos, const struct rcti *border, float zoo
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __BIF_GLUTIL_H__ */
diff --git a/source/blender/editors/include/ED_anim_api.h b/source/blender/editors/include/ED_anim_api.h
index 9d9f2925c23..36990414e6d 100644
--- a/source/blender/editors/include/ED_anim_api.h
+++ b/source/blender/editors/include/ED_anim_api.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_ANIM_API_H__
-#define __ED_ANIM_API_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -880,5 +879,3 @@ void animviz_get_object_motionpaths(struct Object *ob, ListBase *targets);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_ANIM_API_H__ */
diff --git a/source/blender/editors/include/ED_armature.h b/source/blender/editors/include/ED_armature.h
index 6749adb2ea0..62f4c068de0 100644
--- a/source/blender/editors/include/ED_armature.h
+++ b/source/blender/editors/include/ED_armature.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_ARMATURE_H__
-#define __ED_ARMATURE_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -298,5 +297,3 @@ void ED_mesh_deform_bind_callback(struct MeshDeformModifierData *mmd,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_ARMATURE_H__ */
diff --git a/source/blender/editors/include/ED_buttons.h b/source/blender/editors/include/ED_buttons.h
index 2eaef5e82e0..8206f5a8619 100644
--- a/source/blender/editors/include/ED_buttons.h
+++ b/source/blender/editors/include/ED_buttons.h
@@ -20,8 +20,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_BUTTONS_H__
-#define __ED_BUTTONS_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -30,5 +29,3 @@ extern "C" {
 #ifdef __cplusplus
 }
 #endif
-
-#endif /*  __ED_BUTTONS_H__ */
diff --git a/source/blender/editors/include/ED_clip.h b/source/blender/editors/include/ED_clip.h
index f270a0324f9..0a66c439f79 100644
--- a/source/blender/editors/include/ED_clip.h
+++ b/source/blender/editors/include/ED_clip.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_CLIP_H__
-#define __ED_CLIP_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -106,5 +105,3 @@ void ED_operatormacros_clip(void);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_CLIP_H__ */
diff --git a/source/blender/editors/include/ED_curve.h b/source/blender/editors/include/ED_curve.h
index 79f5f62f293..f9b1d9cdc64 100644
--- a/source/blender/editors/include/ED_curve.h
+++ b/source/blender/editors/include/ED_curve.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_CURVE_H__
-#define __ED_CURVE_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -111,5 +110,3 @@ void printknots(struct Object *obedit);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_CURVE_H__ */
diff --git a/source/blender/editors/include/ED_datafiles.h b/source/blender/editors/include/ED_datafiles.h
index ad1cde5406d..ba77da24406 100644
--- a/source/blender/editors/include/ED_datafiles.h
+++ b/source/blender/editors/include/ED_datafiles.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_DATAFILES_H__
-#define __ED_DATAFILES_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -301,5 +300,3 @@ extern char datatoc_gp_brush_erase_stroke_png[];
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_DATAFILES_H__ */
diff --git a/source/blender/editors/include/ED_fileselect.h b/source/blender/editors/include/ED_fileselect.h
index 8a239559627..deda0861b60 100644
--- a/source/blender/editors/include/ED_fileselect.h
+++ b/source/blender/editors/include/ED_fileselect.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_FILESELECT_H__
-#define __ED_FILESELECT_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -214,5 +213,3 @@ void ED_fsmenu_entry_set_icon(struct FSMenuEntry *fsentry, const int icon);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_FILESELECT_H__ */
diff --git a/source/blender/editors/include/ED_gizmo_library.h b/source/blender/editors/include/ED_gizmo_library.h
index a1a5d65b61d..0ee3b00e426 100644
--- a/source/blender/editors/include/ED_gizmo_library.h
+++ b/source/blender/editors/include/ED_gizmo_library.h
@@ -22,8 +22,7 @@
  * This is exposes pre-defined gizmos for re-use.
  */
 
-#ifndef __ED_GIZMO_LIBRARY_H__
-#define __ED_GIZMO_LIBRARY_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -278,5 +277,3 @@ short ED_gizmotypes_snap_3d_update(struct wmGizmo *gz,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_GIZMO_LIBRARY_H__ */
diff --git a/source/blender/editors/include/ED_gizmo_utils.h b/source/blender/editors/include/ED_gizmo_utils.h
index 70ff8a8d32f..0cfc3df9d54 100644
--- a/source/blender/editors/include/ED_gizmo_utils.h
+++ b/source/blender/editors/include/ED_gizmo_utils.h
@@ -20,8 +20,7 @@
  * \name Generic Gizmo Utilities.
  */
 
-#ifndef __ED_GIZMO_UTILS_H__
-#define __ED_GIZMO_UTILS_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -46,5 +45,3 @@ bool ED_gizmo_poll_or_unlink_delayed_from_tool(const struct bContext *C,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_GIZMO_UTILS_H__ */
diff --git a/source/blender/editors/include/ED_gpencil.h b/source/blender/editors/include/ED_gpencil.h
index 64276706759..06839276027 100644
--- a/source/blender/editors/include/ED_gpencil.h
+++ b/source/blender/editors/include/ED_gpencil.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_GPENCIL_H__
-#define __ED_GPENCIL_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -362,5 +361,3 @@ bool ED_gpencil_stroke_point_is_inside(struct bGPDstroke *gps,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /*  __ED_GPENCIL_H__ */
diff --git a/source/blender/editors/include/ED_image.h b/source/blender/editors/include/ED_image.h
index e8343fbbc19..65ca181e160 100644
--- a/source/blender/editors/include/ED_image.h
+++ b/source/blender/editors/include/ED_image.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_IMAGE_H__
-#define __ED_IMAGE_H__
+#pragma once
 
 #include "DNA_listBase.h"
 #include "DNA_space_types.h"
@@ -157,5 +156,3 @@ ListBase ED_image_filesel_detect_sequences(struct Main *bmain,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_IMAGE_H__ */
diff --git a/source/blender/editors/include/ED_info.h b/source/blender/editors/include/ED_info.h
index e97fd424742..df6b6a20ddc 100644
--- a/source/blender/editors/include/ED_info.h
+++ b/source/blender/editors/include/ED_info.h
@@ -20,8 +20,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_INFO_H__
-#define __ED_INFO_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -40,5 +39,3 @@ void ED_info_draw_stats(
 #ifdef __cplusplus
 }
 #endif
-
-#endif /*  __ED_INFO_H__ */
diff --git a/source/blender/editors/include/ED_keyframes_draw.h b/source/blender/editors/include/ED_keyframes_draw.h
index 7000075d4b5..adc1e09821e 100644
--- a/source/blender/editors/include/ED_keyframes_draw.h
+++ b/source/blender/editors/include/ED_keyframes_draw.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_KEYFRAMES_DRAW_H__
-#define __ED_KEYFRAMES_DRAW_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -273,5 +272,3 @@ int actkeyblock_get_valid_hold(ActKeyColumn *ab);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /*  __ED_KEYFRAMES_DRAW_H__ */
diff --git a/source/blender/editors/include/ED_keyframes_edit.h b/source/blender/editors/include/ED_keyframes_edit.h
index 28bc0b22790..b08ab57545f 100644
--- a/source/blender/editors/include/ED_keyframes_edit.h
+++ b/source/blender/editors/include/ED_keyframes_edit.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_KEYFRAMES_EDIT_H__
-#define __ED_KEYFRAMES_EDIT_H__
+#pragma once
 
 #include "ED_anim_api.h" /* for enum eAnimFilter_Flags */
 
@@ -340,5 +339,3 @@ short paste_animedit_keys(struct bAnimContext *ac,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_KEYFRAMES_EDIT_H__ */
diff --git a/source/blender/editors/include/ED_keyframing.h b/source/blender/editors/include/ED_keyframing.h
index 3fe6407aae7..7f833cd59bf 100644
--- a/source/blender/editors/include/ED_keyframing.h
+++ b/source/blender/editors/include/ED_keyframing.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_KEYFRAMING_H__
-#define __ED_KEYFRAMING_H__
+#pragma once
 
 #include "DNA_anim_types.h"
 #include "RNA_types.h"
@@ -516,5 +515,3 @@ bool ED_autokeyframe_property(struct bContext *C,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /*  __ED_KEYFRAMING_H__ */
diff --git a/source/blender/editors/include/ED_lattice.h b/source/blender/editors/include/ED_lattice.h
index 2e4b9472ce7..6982ad20f07 100644
--- a/source/blender/editors/include/ED_lattice.h
+++ b/source/blender/editors/include/ED_lattice.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_LATTICE_H__
-#define __ED_LATTICE_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -51,5 +50,3 @@ void ED_lattice_undosys_type(struct UndoType *ut);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_LATTICE_H__ */
diff --git a/source/blender/editors/include/ED_markers.h b/source/blender/editors/include/ED_markers.h
index 54a5d0cb0e1..8c10a8e36fd 100644
--- a/source/blender/editors/include/ED_markers.h
+++ b/source/blender/editors/include/ED_markers.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_MARKERS_H__
-#define __ED_MARKERS_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -77,5 +76,3 @@ void debug_markers_print_list(struct ListBase *markers);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_MARKERS_H__ */
diff --git a/source/blender/editors/include/ED_mask.h b/source/blender/editors/include/ED_mask.h
index 5aafc0702da..80510d3afa1 100644
--- a/source/blender/editors/include/ED_mask.h
+++ b/source/blender/editors/include/ED_mask.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_MASK_H__
-#define __ED_MASK_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -125,5 +124,3 @@ void mirror_masklayer_frames(struct MaskLayer *mask_layer, short mode);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_MASK_H__ */
diff --git a/source/blender/editors/include/ED_mball.h b/source/blender/editors/include/ED_mball.h
index 5c2106b934c..7648af159c9 100644
--- a/source/blender/editors/include/ED_mball.h
+++ b/source/blender/editors/include/ED_mball.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_MBALL_H__
-#define __ED_MBALL_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -65,5 +64,3 @@ void ED_mball_undosys_type(struct UndoType *ut);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_MBALL_H__ */
diff --git a/source/blender/editors/include/ED_mesh.h b/source/blender/editors/include/ED_mesh.h
index 392a5075750..f2cad1acc84 100644
--- a/source/blender/editors/include/ED_mesh.h
+++ b/source/blender/editors/include/ED_mesh.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_MESH_H__
-#define __ED_MESH_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -517,5 +516,3 @@ void EDBM_mesh_elem_index_ensure_multi(struct Object **objects,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_MESH_H__ */
diff --git a/source/blender/editors/include/ED_node.h b/source/blender/editors/include/ED_node.h
index 382902cd2de..ecb98a46f99 100644
--- a/source/blender/editors/include/ED_node.h
+++ b/source/blender/editors/include/ED_node.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_NODE_H__
-#define __ED_NODE_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -127,5 +126,3 @@ bool ED_space_node_color_sample(struct Main *bmain,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_NODE_H__ */
diff --git a/source/blender/editors/include/ED_numinput.h b/source/blender/editors/include/ED_numinput.h
index 8c8f3e6f4a3..447b7b76c72 100644
--- a/source/blender/editors/include/ED_numinput.h
+++ b/source/blender/editors/include/ED_numinput.h
@@ -18,8 +18,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_NUMINPUT_H__
-#define __ED_NUMINPUT_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -111,5 +110,3 @@ bool user_string_to_number(
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_NUMINPUT_H__ */
diff --git a/source/blender/editors/include/ED_object.h b/source/blender/editors/include/ED_object.h
index e08be5937fe..4c7dd4fe66c 100644
--- a/source/blender/editors/include/ED_object.h
+++ b/source/blender/editors/include/ED_object.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_OBJECT_H__
-#define __ED_OBJECT_H__
+#pragma once
 
 #include "BLI_compiler_attrs.h"
 #include "DNA_object_enums.h"
@@ -502,5 +501,3 @@ void ED_object_data_xform_tag_update(struct XFormObjectData *xod);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_OBJECT_H__ */
diff --git a/source/blender/editors/include/ED_outliner.h b/source/blender/editors/include/ED_outliner.h
index 0325ad9fdba..9853b4644c1 100644
--- a/source/blender/editors/include/ED_outliner.h
+++ b/source/blender/editors/include/ED_outliner.h
@@ -20,8 +20,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_OUTLINER_H__
-#define __ED_OUTLINER_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -53,5 +52,3 @@ void ED_outliner_select_sync_flag_outliners(const struct bContext *C);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /*  __ED_OUTLINER_H__ */
diff --git a/source/blender/editors/include/ED_paint.h b/source/blender/editors/include/ED_paint.h
index 4159f22703f..3412d62317e 100644
--- a/source/blender/editors/include/ED_paint.h
+++ b/source/blender/editors/include/ED_paint.h
@@ -18,8 +18,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_PAINT_H__
-#define __ED_PAINT_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -104,5 +103,3 @@ void ED_paintcurve_undosys_type(struct UndoType *ut);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_PAINT_H__ */
diff --git a/source/blender/editors/include/ED_particle.h b/source/blender/editors/include/ED_particle.h
index 789db5ae56e..e84298bd9c2 100644
--- a/source/blender/editors/include/ED_particle.h
+++ b/source/blender/editors/include/ED_particle.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_PARTICLE_H__
-#define __ED_PARTICLE_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -83,5 +82,3 @@ void ED_particle_undosys_type(struct UndoType *ut);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_PARTICLE_H__ */
diff --git a/source/blender/editors/include/ED_physics.h b/source/blender/editors/include/ED_physics.h
index ebd7e387c83..f9c56f31ebd 100644
--- a/source/blender/editors/include/ED_physics.h
+++ b/source/blender/editors/include/ED_physics.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_PHYSICS_H__
-#define __ED_PHYSICS_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -63,5 +62,3 @@ void ED_keymap_physics(struct wmKeyConfig *keyconf);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_PHYSICS_H__ */
diff --git a/source/blender/editors/include/ED_render.h b/source/blender/editors/include/ED_render.h
index ba70abcc055..d580e36d0ce 100644
--- a/source/blender/editors/include/ED_render.h
+++ b/source/blender/editors/include/ED_render.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_RENDER_H__
-#define __ED_RENDER_H__
+#pragma once
 
 #include "DNA_vec_types.h"
 
@@ -110,5 +109,3 @@ void ED_render_internal_init(void);
 #ifdef __cplusplus
 }
 #endif
-
-#endif
diff --git a/source/blender/editors/include/ED_scene.h b/source/blender/editors/include/ED_scene.h
index 27c2e9d0df8..e3abd26a4cd 100644
--- a/source/blender/editors/include/ED_scene.h
+++ b/source/blender/editors/include/ED_scene.h
@@ -18,8 +18,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_SCENE_H__
-#define __ED_SCENE_H__
+#pragma once
 
 #include "BLI_compiler_attrs.h"
 
@@ -46,5 +45,3 @@ void ED_operatortypes_scene(void);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_SCENE_H__ */
diff --git a/source/blender/editors/include/ED_screen.h b/source/blender/editors/include/ED_screen.h
index 71b7d35908b..59567803f35 100644
--- a/source/blender/editors/include/ED_screen.h
+++ b/source/blender/editors/include/ED_screen.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_SCREEN_H__
-#define __ED_SCREEN_H__
+#pragma once
 
 #include "DNA_screen_types.h"
 #include "DNA_space_types.h"
@@ -477,5 +476,3 @@ enum {
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_SCREEN_H__ */
diff --git a/source/blender/editors/include/ED_screen_types.h b/source/blender/editors/include/ED_screen_types.h
index 9826ec8c3b8..0185de426f3 100644
--- a/source/blender/editors/include/ED_screen_types.h
+++ b/source/blender/editors/include/ED_screen_types.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_SCREEN_TYPES_H__
-#define __ED_SCREEN_TYPES_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -140,5 +139,3 @@ enum {
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_SCREEN_TYPES_H__ */
diff --git a/source/blender/editors/include/ED_sculpt.h b/source/blender/editors/include/ED_sculpt.h
index e61c7be5216..c3abde479f1 100644
--- a/source/blender/editors/include/ED_sculpt.h
+++ b/source/blender/editors/include/ED_sculpt.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_SCULPT_H__
-#define __ED_SCULPT_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -62,5 +61,3 @@ void ED_sculpt_undo_push_multires_mesh_end(struct bContext *C, const char *str);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_SCULPT_H__ */
diff --git a/source/blender/editors/include/ED_select_utils.h b/source/blender/editors/include/ED_select_utils.h
index 9c7cc0ef7a2..049ea7a092f 100644
--- a/source/blender/editors/include/ED_select_utils.h
+++ b/source/blender/editors/include/ED_select_utils.h
@@ -18,8 +18,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_SELECT_UTILS_H__
-#define __ED_SELECT_UTILS_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -78,5 +77,3 @@ eSelectOp ED_select_op_modal(const eSelectOp sel_op, const bool is_first);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_SELECT_UTILS_H__ */
diff --git a/source/blender/editors/include/ED_sequencer.h b/source/blender/editors/include/ED_sequencer.h
index f35ed12cdb9..11eff2d583b 100644
--- a/source/blender/editors/include/ED_sequencer.h
+++ b/source/blender/editors/include/ED_sequencer.h
@@ -20,8 +20,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_SEQUENCER_H__
-#define __ED_SEQUENCER_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -53,5 +52,3 @@ void ED_sequencer_special_preview_clear(void);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /*  __ED_SEQUENCER_H__ */
diff --git a/source/blender/editors/include/ED_sound.h b/source/blender/editors/include/ED_sound.h
index f7632bc81cb..022c7784ed3 100644
--- a/source/blender/editors/include/ED_sound.h
+++ b/source/blender/editors/include/ED_sound.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_SOUND_H__
-#define __ED_SOUND_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -33,5 +32,3 @@ void ED_operatortypes_sound(void);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_SOUND_H__ */
diff --git a/source/blender/editors/include/ED_space_api.h b/source/blender/editors/include/ED_space_api.h
index ae4add2fca2..f3e867e8360 100644
--- a/source/blender/editors/include/ED_space_api.h
+++ b/source/blender/editors/include/ED_space_api.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_SPACE_API_H__
-#define __ED_SPACE_API_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -83,5 +82,3 @@ void ED_region_draw_mouse_line_cb(const struct bContext *C,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_SPACE_API_H__ */
diff --git a/source/blender/editors/include/ED_text.h b/source/blender/editors/include/ED_text.h
index 4f7b76675f0..6742561735e 100644
--- a/source/blender/editors/include/ED_text.h
+++ b/source/blender/editors/include/ED_text.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_TEXT_H__
-#define __ED_TEXT_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -51,5 +50,3 @@ bool ED_text_is_syntax_highlight_supported(struct Text *text);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_TEXT_H__ */
diff --git a/source/blender/editors/include/ED_time_scrub_ui.h b/source/blender/editors/include/ED_time_scrub_ui.h
index 483dce56577..216e67dd820 100644
--- a/source/blender/editors/include/ED_time_scrub_ui.h
+++ b/source/blender/editors/include/ED_time_scrub_ui.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_TIME_SCRUB_UI_H__
-#define __ED_TIME_SCRUB_UI_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -51,5 +50,3 @@ void ED_time_scrub_channel_search_draw(const struct bContext *C,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_TIME_SCRUB_UI_H__ */
diff --git a/source/blender/editors/include/ED_transform.h b/source/blender/editors/include/ED_transform.h
index 29ed0485490..4c4672edffc 100644
--- a/source/blender/editors/include/ED_transform.h
+++ b/source/blender/editors/include/ED_transform.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_TRANSFORM_H__
-#define __ED_TRANSFORM_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -215,5 +214,3 @@ int ED_transform_calc_gizmo_stats(const struct bContext *C,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_TRANSFORM_H__ */
diff --git a/source/blender/editors/include/ED_transform_snap_object_context.h b/source/blender/editors/include/ED_transform_snap_object_context.h
index 8feb73436a6..ebaa32941f2 100644
--- a/source/blender/editors/include/ED_transform_snap_object_context.h
+++ b/source/blender/editors/include/ED_transform_snap_object_context.h
@@ -18,8 +18,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_TRANSFORM_SNAP_OBJECT_CONTEXT_H__
-#define __ED_TRANSFORM_SNAP_OBJECT_CONTEXT_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -157,5 +156,3 @@ bool ED_transform_snap_object_project_all_view3d_ex(SnapObjectContext *sctx,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_TRANSFORM_SNAP_OBJECT_CONTEXT_H__ */
diff --git a/source/blender/editors/include/ED_transverts.h b/source/blender/editors/include/ED_transverts.h
index 062658a562b..bff31149b75 100644
--- a/source/blender/editors/include/ED_transverts.h
+++ b/source/blender/editors/include/ED_transverts.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_TRANSVERTS_H__
-#define __ED_TRANSVERTS_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -75,5 +74,3 @@ enum {
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_TRANSVERTS_H__ */
diff --git a/source/blender/editors/include/ED_types.h b/source/blender/editors/include/ED_types.h
index 4abb7d446d1..ab9098a33c5 100644
--- a/source/blender/editors/include/ED_types.h
+++ b/source/blender/editors/include/ED_types.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_TYPES_H__
-#define __ED_TYPES_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -42,5 +41,3 @@ extern "C" {
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_TYPES_H__ */
diff --git a/source/blender/editors/include/ED_undo.h b/source/blender/editors/include/ED_undo.h
index 983e0c4f14a..dbd374415b0 100644
--- a/source/blender/editors/include/ED_undo.h
+++ b/source/blender/editors/include/ED_undo.h
@@ -18,8 +18,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_UNDO_H__
-#define __ED_UNDO_H__
+#pragma once
 
 #include "BLI_compiler_attrs.h"
 
@@ -89,5 +88,3 @@ struct MemFile *ED_undosys_stack_memfile_get_active(struct UndoStack *ustack);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_UNDO_H__ */
diff --git a/source/blender/editors/include/ED_userpref.h b/source/blender/editors/include/ED_userpref.h
index 1d43009e37c..e588fa31ad5 100644
--- a/source/blender/editors/include/ED_userpref.h
+++ b/source/blender/editors/include/ED_userpref.h
@@ -18,8 +18,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_USERPREF_H__
-#define __ED_USERPREF_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -30,5 +29,3 @@ void ED_operatortypes_userpref(void);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_USERPREF_H__ */
diff --git a/source/blender/editors/include/ED_util.h b/source/blender/editors/include/ED_util.h
index 1f2706957a7..68ae3589064 100644
--- a/source/blender/editors/include/ED_util.h
+++ b/source/blender/editors/include/ED_util.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_UTIL_H__
-#define __ED_UTIL_H__
+#pragma once
 
 #include "BLI_compiler_attrs.h"
 
@@ -71,5 +70,3 @@ void unpack_menu(struct bContext *C,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_UTIL_H__ */
diff --git a/source/blender/editors/include/ED_util_imbuf.h b/source/blender/editors/include/ED_util_imbuf.h
index 76171383b49..d142d3d6425 100644
--- a/source/blender/editors/include/ED_util_imbuf.h
+++ b/source/blender/editors/include/ED_util_imbuf.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_UTIL_IMBUF_H__
-#define __ED_UTIL_IMBUF_H__
+#pragma once
 
 #include "BLI_compiler_attrs.h"
 #include "BLI_sys_types.h"
@@ -48,5 +47,3 @@ bool ED_imbuf_sample_poll(struct bContext *C);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_UTIL_IMBUF_H__ */
diff --git a/source/blender/editors/include/ED_uvedit.h b/source/blender/editors/include/ED_uvedit.h
index 935b99ba8e8..53fb79bb012 100644
--- a/source/blender/editors/include/ED_uvedit.h
+++ b/source/blender/editors/include/ED_uvedit.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_UVEDIT_H__
-#define __ED_UVEDIT_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -243,5 +242,3 @@ void ED_uvedit_buttons_register(struct ARegionType *art);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_UVEDIT_H__ */
diff --git a/source/blender/editors/include/ED_view3d.h b/source/blender/editors/include/ED_view3d.h
index 4060efbda92..739a2184fb5 100644
--- a/source/blender/editors/include/ED_view3d.h
+++ b/source/blender/editors/include/ED_view3d.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_VIEW3D_H__
-#define __ED_VIEW3D_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -761,5 +760,3 @@ bool ED_view3d_is_region_xr_mirror_active(const struct wmWindowManager *wm,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_VIEW3D_H__ */
diff --git a/source/blender/editors/include/ED_view3d_offscreen.h b/source/blender/editors/include/ED_view3d_offscreen.h
index 846f4d7eabb..2833d205e77 100644
--- a/source/blender/editors/include/ED_view3d_offscreen.h
+++ b/source/blender/editors/include/ED_view3d_offscreen.h
@@ -21,8 +21,7 @@
  * \ingroup editors
  */
 
-#ifndef __ED_VIEW3D_OFFSCREEN_H__
-#define __ED_VIEW3D_OFFSCREEN_H__
+#pragma once
 
 #include "DNA_object_enums.h"
 #include "DNA_view3d_types.h"
@@ -106,5 +105,3 @@ struct ImBuf *ED_view3d_draw_offscreen_imbuf_simple(struct Depsgraph *depsgraph,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ED_VIEW3D_H__ */
diff --git a/source/blender/editors/include/UI_interface.h b/source/blender/editors/include/UI_interface.h
index e0bd1369a51..d682597da8e 100644
--- a/source/blender/editors/include/UI_interface.h
+++ b/source/blender/editors/include/UI_interface.h
@@ -21,8 +21,7 @@
  * \ingroup editorui
  */
 
-#ifndef __UI_INTERFACE_H__
-#define __UI_INTERFACE_H__
+#pragma once
 
 #include "BLI_compiler_attrs.h"
 #include "BLI_sys_types.h" /* size_t */
@@ -2577,5 +2576,3 @@ void UI_interface_tag_script_reload(void);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __UI_INTERFACE_H__ */
diff --git a/source/blender/editors/include/UI_interface_icons.h b/source/blender/editors/include/UI_interface_icons.h
index 0529ee08da6..7b59d45b203 100644
--- a/source/blender/editors/include/UI_interface_icons.h
+++ b/source/blender/editors/include/UI_interface_icons.h
@@ -21,8 +21,7 @@
  * \ingroup editorui
  */
 
-#ifndef __UI_INTERFACE_ICONS_H__
-#define __UI_INTERFACE_ICONS_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -111,5 +110,3 @@ int UI_library_icon_get(const struct ID *id);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /*  __UI_INTERFACE_ICONS_H__ */
diff --git a/source/blender/editors/include/UI_resources.h b/source/blender/editors/include/UI_resources.h
index c5c4ca79f14..3f548f98e97 100644
--- a/source/blender/editors/include/UI_resources.h
+++ b/source/blender/editors/include/UI_resources.h
@@ -21,8 +21,7 @@
  * \ingroup editorui
  */
 
-#ifndef __UI_RESOURCES_H__
-#define __UI_RESOURCES_H__
+#pragma once
 
 #include "BLI_sys_types.h"
 
@@ -458,5 +457,3 @@ void UI_make_axis_color(const unsigned char *src_col, unsigned char *dst_col, co
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __UI_RESOURCES_H__ */
diff --git a/source/blender/editors/include/UI_view2d.h b/source/blender/editors/include/UI_view2d.h
index 0ddc45f4878..6e0f4434b7b 100644
--- a/source/blender/editors/include/UI_view2d.h
+++ b/source/blender/editors/include/UI_view2d.h
@@ -23,8 +23,7 @@
  * \ingroup editorui
  */
 
-#ifndef __UI_VIEW2D_H__
-#define __UI_VIEW2D_H__
+#pragma once
 
 #include "BLI_compiler_attrs.h"
 
@@ -288,5 +287,3 @@ void VIEW2D_GGT_navigate_impl(struct wmGizmoGroupType *gzgt, const char *idname)
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __UI_VIEW2D_H__ */