diff --git a/CHANGELOG.md b/CHANGELOG.md
index faaa311d5..800af01e1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -44,7 +44,6 @@ Built using Godot 3.5.2
 ### Fixed
 - Fixed undo/redo history not working when the tool changes. [#916](https://github.com/Orama-Interactive/Pixelorama/pull/916)
 - Pixelorama no longer closes when the project fails to be saved if "Save & Exit" is selected. [#920](https://github.com/Orama-Interactive/Pixelorama/pull/920)
-- Projects with 3D cels saved in 1.x can now be opened in 0.11.3. [#928](https://github.com/Orama-Interactive/Pixelorama/pull/928)
 
 ## [v0.11.2] - 2023-08-31
 This update has been brought to you by the contributions of:
diff --git a/src/Classes/Cel3D.gd b/src/Classes/Cel3D.gd
index 69dde243f..9f242c18d 100644
--- a/src/Classes/Cel3D.gd
+++ b/src/Classes/Cel3D.gd
@@ -177,9 +177,6 @@ func serialize() -> Dictionary:
 
 
 func deserialize(dict: Dictionary) -> void:
-	if dict.has("pxo_version"):
-		if dict["pxo_version"] == 3:  # It's a 1.x project convert it to 0.x format
-			convert_1x_to_0x(dict)
 	.deserialize(dict)
 	scene_properties = dict["scene_properties"]
 	var objects_copy = dict["object_properties"]
@@ -198,70 +195,6 @@ func deserialize(dict: Dictionary) -> void:
 		_add_object_node(object)
 
 
-## Used to convert 3d cels found in projects exported from a 0.x version to 1.x
-func convert_1x_to_0x(dict: Dictionary) -> void:
-	# Converting the scene dictionary
-	var scene_dict: Dictionary = dict["scene_properties"]
-	scene_dict["camera_transform"] = str2var(
-		scene_dict["camera_transform"].replace("Transform3D", "Transform")
-	)
-	scene_dict["camera_projection"] = str2var(scene_dict["camera_projection"])
-	scene_dict["camera_fov"] = str2var(scene_dict["camera_fov"])
-	scene_dict["camera_size"] = str2var(scene_dict["camera_size"])
-	scene_dict["ambient_light_color"] = str2var(scene_dict["ambient_light_color"])
-	scene_dict["ambient_light_energy"] = str2var(scene_dict["ambient_light_energy"])
-	# Converting the objects dictionary
-	var objects_copy: Dictionary = dict["object_properties"]
-	for object_id_as_str in objects_copy.keys():
-		objects_copy[object_id_as_str] = str2var(
-			objects_copy[object_id_as_str].replace("Transform3D", "Transform")
-		)
-		# we are using a separate variable to make it easy to write
-		var object_info: Dictionary = objects_copy[object_id_as_str]
-		# Special operations to adjust gizmo
-		# take note of origin
-		var origin = object_info["transform"].origin
-		match object_info["type"]:
-			0:  # BOX
-				object_info["transform"] = object_info["transform"].scaled(Vector3.ONE / 2)
-				object_info["transform"].origin = origin
-				object_info["mesh_size"] *= 2
-			1:  # SPHERE
-				object_info["transform"] = object_info["transform"].scaled(Vector3.ONE / 2)
-				object_info["transform"].origin = origin
-				object_info["mesh_radius"] *= 2
-				object_info["mesh_height"] *= 2
-			2:  # CAPSULE
-				object_info["transform"] = object_info["transform"].scaled(-(Vector3.ONE / 2))
-				var basis = object_info["transform"].basis
-				var new_transform: Transform = Transform(basis.x, -basis.z, -basis.y, origin)
-				object_info["transform"] = new_transform
-				object_info["transform"].origin = origin
-				object_info["mesh_radius"] *= 2
-				object_info["mesh_mid_height"] = (
-					object_info["mesh_height"]
-					- (object_info["mesh_radius"] / 2)
-				)
-			3:  # CYLINDER
-				object_info["transform"] = object_info["transform"].scaled(Vector3.ONE / 2)
-				object_info["transform"].origin = origin
-				object_info["mesh_height"] *= 2
-				object_info["mesh_bottom_radius"] *= 2
-				object_info["mesh_top_radius"] *= 2
-			4:  # PRISM
-				object_info["transform"] = object_info["transform"].scaled(Vector3.ONE / 2)
-				object_info["transform"].origin = origin
-				object_info["mesh_size"] *= 2
-			6:  # PLANE
-				object_info["transform"] = object_info["transform"].scaled(Vector3.ONE / 2)
-				object_info["transform"].origin = origin
-				object_info["mesh_sizev2"] *= 2
-			_:
-				if not "shadow_color" in object_info.keys():
-					object_info["shadow_color"] = Color.black
-		objects_copy[object_id_as_str] = objects_copy[object_id_as_str]
-
-
 func on_remove() -> void:
 	if is_instance_valid(viewport):
 		viewport.queue_free()
diff --git a/src/Classes/Project.gd b/src/Classes/Project.gd
index 724c84d30..eb25c63a7 100644
--- a/src/Classes/Project.gd
+++ b/src/Classes/Project.gd
@@ -380,8 +380,6 @@ func deserialize(dict: Dictionary) -> void:
 						cels.append(GroupCel.new())
 					Global.LayerTypes.THREE_D:
 						cels.append(Cel3D.new(size, true))
-				if dict.has("pxo_version"):
-					cel["pxo_version"] = dict["pxo_version"]
 				cels[cel_i].deserialize(cel)
 				_deserialize_metadata(cels[cel_i], cel)
 				cel_i += 1