3 files changed, 5 insertions, 6 deletions
diff --git a/source/blender/makesdna/DNA_action_types.h b/source/blender/makesdna/DNA_action_types.h
index baed2aa2866..e899e6bd3ec 100644
--- a/source/blender/makesdna/DNA_action_types.h
+++ b/source/blender/makesdna/DNA_action_types.h
@@ -856,11 +856,11 @@ typedef enum eSAction_Flag {
   /* draw time in seconds instead of time in frames */
   SACTION_DRAWTIME = (1 << 2),
   /* don't filter action channels according to visibility */
-  // SACTION_NOHIDE = (1 << 3), /* XXX deprecated... old animation systems. */
+  // SACTION_NOHIDE = (1 << 3), /* Deprecated, old animation systems. */
   /* don't kill overlapping keyframes after transform */
   SACTION_NOTRANSKEYCULL = (1 << 4),
   /* don't include keyframes that are out of view */
-  // SACTION_HORIZOPTIMISEON = (1 << 5), // XXX deprecated... old irrelevant trick
+  // SACTION_HORIZOPTIMISEON = (1 << 5), /* Deprecated, old irrelevant trick. */
   /* show pose-markers (local to action) in Action Editor mode. */
   SACTION_POSEMARKERS_SHOW = (1 << 6),
   /* don't draw action channels using group colors (where applicable) */
diff --git a/source/blender/makesdna/DNA_armature_types.h b/source/blender/makesdna/DNA_armature_types.h
index 454d843112a..3b65378f9eb 100644
--- a/source/blender/makesdna/DNA_armature_types.h
+++ b/source/blender/makesdna/DNA_armature_types.h
@@ -207,9 +207,8 @@ typedef enum eArmature_DeformFlag {
   ARM_DEF_INVERT_VGROUP = (1 << 4),
 } eArmature_DeformFlag;
 
-/* armature->pathflag */
-// XXX deprecated... old animation system (armature only viz)
-#ifdef DNA_DEPRECATED_ALLOW
+#ifdef DNA_DEPRECATED_ALLOW /* Old animation system (armature only viz). */
+/** #bArmature.pathflag */
 typedef enum eArmature_PathFlag {
   ARM_PATH_FNUMS = (1 << 0),
   ARM_PATH_KFRAS = (1 << 1),
diff --git a/source/blender/makesdna/DNA_constraint_types.h b/source/blender/makesdna/DNA_constraint_types.h
index 822b8705c9b..4b4c24a7a4e 100644
--- a/source/blender/makesdna/DNA_constraint_types.h
+++ b/source/blender/makesdna/DNA_constraint_types.h
@@ -37,7 +37,7 @@ struct Ipo;
 struct Text;
 
 /* channels reside in Object or Action (ListBase) constraintChannels */
-// XXX deprecated... old AnimSys
+/* XXX: deprecated... old AnimSys. */
 typedef struct bConstraintChannel {
   struct bConstraintChannel *next, *prev;
   struct Ipo *ipo;