6 files changed, 6 insertions, 24 deletions
diff --git a/source/blender/makesrna/RNA_define.h b/source/blender/makesrna/RNA_define.h
index 1bcf7f434f2..ee1a3fdd539 100644
--- a/source/blender/makesrna/RNA_define.h
+++ b/source/blender/makesrna/RNA_define.h
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __RNA_DEFINE_H__
-#define __RNA_DEFINE_H__
+#pragma once
 
 /** \file
  * \ingroup RNA
@@ -531,5 +530,3 @@ extern const float rna_default_scale_3d[3];
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __RNA_DEFINE_H__ */
diff --git a/source/blender/makesrna/RNA_enum_types.h b/source/blender/makesrna/RNA_enum_types.h
index 0c462ba6766..fb9b62e729a 100644
--- a/source/blender/makesrna/RNA_enum_types.h
+++ b/source/blender/makesrna/RNA_enum_types.h
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __RNA_ENUM_TYPES_H__
-#define __RNA_ENUM_TYPES_H__
+#pragma once
 
 /** \file
  * \ingroup RNA
@@ -323,5 +322,3 @@ const EnumPropertyItem *RNA_enum_node_tree_types_itemf_impl(struct bContext *C,
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __RNA_ENUM_TYPES_H__ */
diff --git a/source/blender/makesrna/intern/rna_access_internal.h b/source/blender/makesrna/intern/rna_access_internal.h
index a5b554ec7a6..73407123863 100644
--- a/source/blender/makesrna/intern/rna_access_internal.h
+++ b/source/blender/makesrna/intern/rna_access_internal.h
@@ -18,8 +18,7 @@
  * \ingroup RNA
  */
 
-#ifndef __RNA_ACCESS_INTERNAL_H__
-#define __RNA_ACCESS_INTERNAL_H__
+#pragma once
 
 #include "BLI_utildefines.h"
 
@@ -34,5 +33,3 @@ void rna_property_rna_or_id_get(PropertyRNA *prop,
 
 void rna_idproperty_touch(struct IDProperty *idprop);
 struct IDProperty *rna_idproperty_find(PointerRNA *ptr, const char *name);
-
-#endif /* __ACCESS_RNA_INTERNAL_H__ */
diff --git a/source/blender/makesrna/intern/rna_internal.h b/source/blender/makesrna/intern/rna_internal.h
index a8085c00cb3..8045279eef2 100644
--- a/source/blender/makesrna/intern/rna_internal.h
+++ b/source/blender/makesrna/intern/rna_internal.h
@@ -18,8 +18,7 @@
  * \ingroup RNA
  */
 
-#ifndef __RNA_INTERNAL_H__
-#define __RNA_INTERNAL_H__
+#pragma once
 
 #include "BLI_utildefines.h"
 
@@ -644,5 +643,3 @@ void rna_RenderPass_rect_set(PointerRNA *ptr, const float *values);
              : -FLT_MAX, double \
              : -DBL_MAX)
 #endif
-
-#endif /* __RNA_INTERNAL_H__ */
diff --git a/source/blender/makesrna/intern/rna_internal_types.h b/source/blender/makesrna/intern/rna_internal_types.h
index 20c8743f768..01c406104d7 100644
--- a/source/blender/makesrna/intern/rna_internal_types.h
+++ b/source/blender/makesrna/intern/rna_internal_types.h
@@ -18,8 +18,7 @@
  * \ingroup RNA
  */
 
-#ifndef __RNA_INTERNAL_TYPES_H__
-#define __RNA_INTERNAL_TYPES_H__
+#pragma once
 
 #include "DNA_listBase.h"
 
@@ -569,5 +568,3 @@ struct BlenderRNA {
 };
 
 #define CONTAINER_RNA_ID(cont) (*(const char **)(((ContainerRNA *)(cont)) + 1))
-
-#endif /* __RNA_INTERNAL_TYPES_H__ */
diff --git a/source/blender/makesrna/intern/rna_mesh_utils.h b/source/blender/makesrna/intern/rna_mesh_utils.h
index 9c5b4f9d5b3..5e11be382ec 100644
--- a/source/blender/makesrna/intern/rna_mesh_utils.h
+++ b/source/blender/makesrna/intern/rna_mesh_utils.h
@@ -18,8 +18,7 @@
  * \ingroup RNA
  */
 
-#ifndef __RNA_MESH_UTILS_H__
-#define __RNA_MESH_UTILS_H__
+#pragma once
 
 /* Macros to help reduce code clutter in rna_mesh.c */
 
@@ -123,5 +122,3 @@
       BKE_mesh_update_customdata_pointers(me, true); \
     } \
   }
-
-#endif /* __RNA_MESH_UTILS_H__ */