diff --git a/intern/cycles/bvh/bvh.cpp b/intern/cycles/bvh/bvh.cpp
index 58775509cfd..2e70d61af30 100644
--- a/intern/cycles/bvh/bvh.cpp
+++ b/intern/cycles/bvh/bvh.cpp
@@ -226,8 +226,7 @@ void BVH::build(Progress& progress)
 
 	/* pack nodes */
 	progress.set_substatus("Packing BVH nodes");
-	array<int> tmp_prim_object = pack.prim_object;
-	pack_nodes(tmp_prim_object, root);
+	pack_nodes(root);
 	
 	/* free build nodes */
 	root->deleteSubtree();
@@ -539,7 +538,7 @@ void RegularBVH::pack_node(int idx, const BoundBox& b0, const BoundBox& b1, int
 	memcpy(&pack.nodes[idx * BVH_NODE_SIZE], data, sizeof(int4)*BVH_NODE_SIZE);
 }
 
-void RegularBVH::pack_nodes(const array<int>& prims, const BVHNode *root)
+void RegularBVH::pack_nodes(const BVHNode *root)
 {
 	size_t node_size = root->getSubtreeSize(BVH_STAT_NODE_COUNT);
 
@@ -755,7 +754,7 @@ void QBVH::pack_inner(const BVHStackEntry& e, const BVHStackEntry *en, int num)
 
 /* Quad SIMD Nodes */
 
-void QBVH::pack_nodes(const array<int>& prims, const BVHNode *root)
+void QBVH::pack_nodes(const BVHNode *root)
 {
 	size_t node_size = root->getSubtreeSize(BVH_STAT_QNODE_COUNT);
 
diff --git a/intern/cycles/bvh/bvh.h b/intern/cycles/bvh/bvh.h
index d0b0ebe206a..40f039541eb 100644
--- a/intern/cycles/bvh/bvh.h
+++ b/intern/cycles/bvh/bvh.h
@@ -111,7 +111,7 @@ protected:
 	void pack_instances(size_t nodes_size);
 
 	/* for subclasses to implement */
-	virtual void pack_nodes(const array<int>& prims, const BVHNode *root) = 0;
+	virtual void pack_nodes(const BVHNode *root) = 0;
 	virtual void refit_nodes() = 0;
 };
 
@@ -126,7 +126,7 @@ protected:
 	RegularBVH(const BVHParams& params, const vector<Object*>& objects);
 
 	/* pack */
-	void pack_nodes(const array<int>& prims, const BVHNode *root);
+	void pack_nodes(const BVHNode *root);
 	void pack_leaf(const BVHStackEntry& e, const LeafNode *leaf);
 	void pack_inner(const BVHStackEntry& e, const BVHStackEntry& e0, const BVHStackEntry& e1);
 	void pack_node(int idx, const BoundBox& b0, const BoundBox& b1, int c0, int c1, uint visibility0, uint visibility1);
@@ -147,7 +147,7 @@ protected:
 	QBVH(const BVHParams& params, const vector<Object*>& objects);
 
 	/* pack */
-	void pack_nodes(const array<int>& prims, const BVHNode *root);
+	void pack_nodes(const BVHNode *root);
 	void pack_leaf(const BVHStackEntry& e, const LeafNode *leaf);
 	void pack_inner(const BVHStackEntry& e, const BVHStackEntry *en, int num);