3 files changed, 3 insertions, 81 deletions

diff --git a/source/blender/blenkernel/BKE_depsgraph.h b/source/blender/blenkernel/BKE_depsgraph.h
index be5ae7fc353..76ce8c327ac 100644
--- a/source/blender/blenkernel/BKE_depsgraph.h
+++ b/source/blender/blenkernel/BKE_depsgraph.h
@@ -145,14 +145,10 @@ void DAG_threaded_update_handle_node_updated(void *node_v,
 
 void DAG_print_dependencies(struct Main *bmain, struct Scene *scene, struct Object *ob);
 
-/* Tagging and querying */
-void DAG_tag_clear_nodes(struct Scene *scene);
-void DAG_tag_node_for_object(struct Scene *scene, void *object);
-void DAG_tag_flush_nodes(struct Scene *scene);
+/* ************************ DAG querying ********************* */
 
 struct Object *DAG_get_node_object(void *node_v);
 const char *DAG_get_node_name(void *node_v);
-bool DAG_get_node_tag(void *node_v);
 
 #ifdef __cplusplus
 }
diff --git a/source/blender/blenkernel/depsgraph_private.h b/source/blender/blenkernel/depsgraph_private.h
index f4a6e4417e0..8aa929ca793 100644
--- a/source/blender/blenkernel/depsgraph_private.h
+++ b/source/blender/blenkernel/depsgraph_private.h
@@ -99,7 +99,7 @@ typedef struct DagNode {
 	                                * Used by threaded update for faster detect whether node could be
 	                                * updated aready.
 	                                */
-	bool tag, scheduled;
+	bool scheduled;
 } DagNode;
 
 typedef struct DagNodeQueueElem {
diff --git a/source/blender/blenkernel/intern/depsgraph.c b/source/blender/blenkernel/intern/depsgraph.c
index cdbf59d688b..7200ec1560d 100644
--- a/source/blender/blenkernel/intern/depsgraph.c
+++ b/source/blender/blenkernel/intern/depsgraph.c
@@ -2819,74 +2819,7 @@ void DAG_print_dependencies(Main *bmain, Scene *scene, Object *ob)
 	dag_print_dependencies = 0;
 }
 
-/* ************************ DAG tagging and querying ********************* */
-
-void DAG_tag_clear_nodes(Scene *scene)
-{
-	DagNode *node;
-
-	for (node = scene->theDag->DagNode.first; node; node = node->next) {
-		node->tag = false;
-	}
-}
-
-void DAG_tag_node_for_object(Scene *scene, void *object)
-{
-	DagNode *node = dag_get_node(scene->theDag, object);
-
-	node->tag = true;
-}
-
-void DAG_tag_flush_nodes(Scene *scene)
-{
-	DagNodeQueue *node_queue;
-	DagNode *node, *root_node;
-
-	node_queue = queue_create(DAGQUEUEALLOC);
-
-	for (node = scene->theDag->DagNode.first; node; node = node->next) {
-		node->color = DAG_WHITE;
-	}
-
-	root_node = scene->theDag->DagNode.first;
-	root_node->color = DAG_GRAY;
-	push_stack(node_queue, root_node);
-
-	while (node_queue->count) {
-		DagAdjList *itA;
-		bool has_new_nodes = false;
-
-		node = get_top_node_queue(node_queue);
-
-		/* Schedule all child nodes. */
-		for (itA = node->child; itA; itA = itA->next) {
-			if (itA->node->color == DAG_WHITE) {
-				itA->node->color = DAG_GRAY;
-				push_stack(node_queue, itA->node);
-				has_new_nodes = true;
-			}
-		}
-
-		if (!has_new_nodes) {
-			node = pop_queue(node_queue);
-			if (node->ob == scene) {
-				break;
-			}
-
-			/* Flush tag from child to current node. */
-			for (itA = node->child; itA; itA = itA->next) {
-				if (itA->node->tag) {
-					node->tag = true;
-					break;
-				}
-			}
-
-			node->color = DAG_BLACK;
-		}
-	}
-
-	queue_delete(node_queue);
-}
+/* ************************ DAG querying ********************* */
 
 /* Will return Object ID if node represents Object,
  * and will return NULL otherwise.
@@ -2909,10 +2842,3 @@ const char *DAG_get_node_name(void *node_v)
 
 	return dag_node_name(node);
 }
-
-bool DAG_get_node_tag(void *node_v)
-{
-	DagNode *node = node_v;
-
-	return node->tag;
-}