diff --git a/scene/2d/canvas_item.cpp b/scene/2d/canvas_item.cpp
index 483feea5c40..21615b7f552 100644
--- a/scene/2d/canvas_item.cpp
+++ b/scene/2d/canvas_item.cpp
@@ -1085,9 +1085,9 @@ void CanvasItem::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("draw_texture_rect","texture:Texture","rect","tile","modulate","transpose"),&CanvasItem::draw_texture_rect,DEFVAL(Color(1,1,1)),DEFVAL(false));
 	ObjectTypeDB::bind_method(_MD("draw_texture_rect_region","texture:Texture","rect","src_rect","modulate","transpose"),&CanvasItem::draw_texture_rect_region,DEFVAL(Color(1,1,1)),DEFVAL(false));
 	ObjectTypeDB::bind_method(_MD("draw_style_box","style_box:StyleBox","rect"),&CanvasItem::draw_style_box);
-	ObjectTypeDB::bind_method(_MD("draw_primitive","points","colors","uvs","texture:Texture","width"),&CanvasItem::draw_primitive,DEFVAL(Array()),DEFVAL(Ref<Texture>()),DEFVAL(1.0));
-	ObjectTypeDB::bind_method(_MD("draw_polygon","points","colors","uvs","texture:Texture"),&CanvasItem::draw_polygon,DEFVAL(Array()),DEFVAL(Ref<Texture>()));
-	ObjectTypeDB::bind_method(_MD("draw_colored_polygon","points","color","uvs","texture:Texture"),&CanvasItem::draw_colored_polygon,DEFVAL(Array()),DEFVAL(Ref<Texture>()));
+	ObjectTypeDB::bind_method(_MD("draw_primitive","points","colors","uvs","texture:Texture","width"),&CanvasItem::draw_primitive,DEFVAL(Variant()),DEFVAL(1.0));
+	ObjectTypeDB::bind_method(_MD("draw_polygon","points","colors","uvs","texture:Texture"),&CanvasItem::draw_polygon,DEFVAL(Vector2Array()),DEFVAL(Variant()));
+	ObjectTypeDB::bind_method(_MD("draw_colored_polygon","points","color","uvs","texture:Texture"),&CanvasItem::draw_colored_polygon,DEFVAL(Vector2Array()),DEFVAL(Variant()));
 	ObjectTypeDB::bind_method(_MD("draw_string","font:Font","pos","text","modulate","clip_w"),&CanvasItem::draw_string,DEFVAL(Color(1,1,1)),DEFVAL(-1));
 	ObjectTypeDB::bind_method(_MD("draw_char","font:Font","pos","char","next","modulate"),&CanvasItem::draw_char,DEFVAL(Color(1,1,1)));
 
diff --git a/scene/3d/spatial_stream_player.cpp b/scene/3d/spatial_stream_player.cpp
index dfef0faf4bd..11debb9bce1 100644
--- a/scene/3d/spatial_stream_player.cpp
+++ b/scene/3d/spatial_stream_player.cpp
@@ -329,8 +329,8 @@ int SpatialStreamPlayer::get_buffering_msec() const{
 
 void SpatialStreamPlayer::_bind_methods() {
 
-	ObjectTypeDB::bind_method(_MD("set_stream","stream:Stream"),&SpatialStreamPlayer::set_stream);
-	ObjectTypeDB::bind_method(_MD("get_stream:Stream"),&SpatialStreamPlayer::get_stream);
+	ObjectTypeDB::bind_method(_MD("set_stream","stream:AudioStream"),&SpatialStreamPlayer::set_stream);
+	ObjectTypeDB::bind_method(_MD("get_stream:AudioStream"),&SpatialStreamPlayer::get_stream);
 
 	ObjectTypeDB::bind_method(_MD("play","offset"),&SpatialStreamPlayer::play,DEFVAL(0));
 	ObjectTypeDB::bind_method(_MD("stop"),&SpatialStreamPlayer::stop);
diff --git a/scene/gui/item_list.cpp b/scene/gui/item_list.cpp
index 171dd94bfae..4bf9d96c5ab 100644
--- a/scene/gui/item_list.cpp
+++ b/scene/gui/item_list.cpp
@@ -1093,7 +1093,7 @@ int ItemList::find_metadata(const Variant& p_metadata) const {
 
 void ItemList::_bind_methods(){
 
-	ObjectTypeDB::bind_method(_MD("add_item","text","icon:Texture","selectable"),&ItemList::add_item,DEFVAL(Ref<Texture>()),DEFVAL(true));
+	ObjectTypeDB::bind_method(_MD("add_item","text","icon:Texture","selectable"),&ItemList::add_item,DEFVAL(Variant()),DEFVAL(true));
 	ObjectTypeDB::bind_method(_MD("add_icon_item","icon:Texture","selectable"),&ItemList::add_icon_item,DEFVAL(true));
 
 	ObjectTypeDB::bind_method(_MD("set_item_text","idx","text"),&ItemList::set_item_text);
diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp
index 278e6584fa4..c4efe82eaa3 100644
--- a/scene/gui/tree.cpp
+++ b/scene/gui/tree.cpp
@@ -3252,7 +3252,7 @@ void Tree::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("_scroll_moved"),&Tree::_scroll_moved);
 
 	ObjectTypeDB::bind_method(_MD("clear"),&Tree::clear);
-	ObjectTypeDB::bind_method(_MD("create_item:TreeItem","parent:TreeItem"),&Tree::_create_item,DEFVAL((Object*)NULL));
+	ObjectTypeDB::bind_method(_MD("create_item:TreeItem","parent:TreeItem"),&Tree::_create_item,DEFVAL(Variant()));
 
 	ObjectTypeDB::bind_method(_MD("get_root:TreeItem"),&Tree::get_root);
 	ObjectTypeDB::bind_method(_MD("set_column_min_width","column","min_width"),&Tree::set_column_min_width);
diff --git a/scene/gui/video_player.cpp b/scene/gui/video_player.cpp
index fc7cc0a3625..89dacc65776 100644
--- a/scene/gui/video_player.cpp
+++ b/scene/gui/video_player.cpp
@@ -360,8 +360,8 @@ bool VideoPlayer::has_autoplay() const {
 
 void VideoPlayer::_bind_methods() {
 
-	ObjectTypeDB::bind_method(_MD("set_stream","stream:Stream"),&VideoPlayer::set_stream);
-	ObjectTypeDB::bind_method(_MD("get_stream:Stream"),&VideoPlayer::get_stream);
+	ObjectTypeDB::bind_method(_MD("set_stream","stream:VideoStream"),&VideoPlayer::set_stream);
+	ObjectTypeDB::bind_method(_MD("get_stream:VideoStream"),&VideoPlayer::get_stream);
 
 	ObjectTypeDB::bind_method(_MD("play"),&VideoPlayer::play);
 	ObjectTypeDB::bind_method(_MD("stop"),&VideoPlayer::stop);
diff --git a/scene/main/canvas_layer.cpp b/scene/main/canvas_layer.cpp
index e921795628a..bc37cde4a27 100644
--- a/scene/main/canvas_layer.cpp
+++ b/scene/main/canvas_layer.cpp
@@ -225,7 +225,7 @@ void CanvasLayer::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("set_scale","scale"),&CanvasLayer::set_scale);
 	ObjectTypeDB::bind_method(_MD("get_scale"),&CanvasLayer::get_scale);
 
-	ObjectTypeDB::bind_method(_MD("get_world_2d:Canvas"),&CanvasLayer::get_world_2d);
+	ObjectTypeDB::bind_method(_MD("get_world_2d:World2D"),&CanvasLayer::get_world_2d);
 	ObjectTypeDB::bind_method(_MD("get_viewport"),&CanvasLayer::get_viewport);
 
 	ADD_PROPERTY( PropertyInfo(Variant::INT,"layer",PROPERTY_HINT_RANGE,"-128,128,1"),_SCS("set_layer"),_SCS("get_layer") );
diff --git a/scene/main/node.cpp b/scene/main/node.cpp
index f4c41256db1..8475ca0b39e 100644
--- a/scene/main/node.cpp
+++ b/scene/main/node.cpp
@@ -2022,7 +2022,7 @@ void Node::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("get_child:Node","idx"),&Node::get_child);
 	ObjectTypeDB::bind_method(_MD("has_node","path"),&Node::has_node);
 	ObjectTypeDB::bind_method(_MD("get_node:Node","path"),&Node::get_node);
-	ObjectTypeDB::bind_method(_MD("get_parent:Parent"),&Node::get_parent);
+	ObjectTypeDB::bind_method(_MD("get_parent:Node"),&Node::get_parent);
 	ObjectTypeDB::bind_method(_MD("find_node:Node","mask","recursive","owned"),&Node::find_node,DEFVAL(true),DEFVAL(true));
 	ObjectTypeDB::bind_method(_MD("has_node_and_resource","path"),&Node::has_node_and_resource);
 	ObjectTypeDB::bind_method(_MD("get_node_and_resource","path"),&Node::_get_node_and_resource);
diff --git a/scene/resources/surface_tool.cpp b/scene/resources/surface_tool.cpp
index de4bb4122d4..12382e66788 100644
--- a/scene/resources/surface_tool.cpp
+++ b/scene/resources/surface_tool.cpp
@@ -862,7 +862,7 @@ void SurfaceTool::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("deindex"),&SurfaceTool::deindex);
 	///ObjectTypeDB::bind_method(_MD("generate_flat_normals"),&SurfaceTool::generate_flat_normals);
 	ObjectTypeDB::bind_method(_MD("generate_normals"),&SurfaceTool::generate_normals);
-	ObjectTypeDB::bind_method(_MD("commit:Mesh","existing:Mesh"),&SurfaceTool::commit,DEFVAL( RefPtr() ));
+	ObjectTypeDB::bind_method(_MD("commit:Mesh","existing:Mesh"),&SurfaceTool::commit,DEFVAL(Variant()));
 	ObjectTypeDB::bind_method(_MD("clear"),&SurfaceTool::clear);
 
 }
diff --git a/servers/physics_2d_server.cpp b/servers/physics_2d_server.cpp
index a85fefe5ada..411b99ebc86 100644
--- a/servers/physics_2d_server.cpp
+++ b/servers/physics_2d_server.cpp
@@ -630,7 +630,7 @@ void Physics2DServer::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("groove_joint_create","groove1_a","groove2_a","anchor_b","body_a","body_b"),&Physics2DServer::groove_joint_create,DEFVAL(RID()),DEFVAL(RID()));
 	ObjectTypeDB::bind_method(_MD("damped_spring_joint_create","anchor_a","anchor_b","body_a","body_b"),&Physics2DServer::damped_spring_joint_create,DEFVAL(RID()));
 
-	ObjectTypeDB::bind_method(_MD("damped_string_joint_set_param","joint","param","value"),&Physics2DServer::damped_string_joint_set_param,DEFVAL(RID()));
+	ObjectTypeDB::bind_method(_MD("damped_string_joint_set_param","joint","param","value"),&Physics2DServer::damped_string_joint_set_param);
 	ObjectTypeDB::bind_method(_MD("damped_string_joint_get_param","joint","param"),&Physics2DServer::damped_string_joint_get_param);
 
 	ObjectTypeDB::bind_method(_MD("joint_get_type","joint"),&Physics2DServer::joint_get_type);