diff --git a/addons/material_maker/engine/gen_base.gd b/addons/material_maker/engine/gen_base.gd
index 562d44f..e787b08 100644
--- a/addons/material_maker/engine/gen_base.gd
+++ b/addons/material_maker/engine/gen_base.gd
@@ -139,7 +139,7 @@ func get_targets(output_index : int) -> Array:
 	return []
 
 # get the list of outputs that depend on the input whose index is passed as parameter
-func follow_input(input_index : int) -> Array:
+func follow_input(_input_index : int) -> Array:
 	var rv = []
 	for i in range(get_output_defs().size()):
 		rv.push_back(OutputPort.new(self, i))
@@ -238,7 +238,7 @@ func serialize() -> Dictionary:
 		rv = _serialize(rv)
 	return rv
 
-func _deserialize(data : Dictionary) -> void:
+func _deserialize(_data : Dictionary) -> void:
 	pass
 
 func deserialize(data : Dictionary) -> void:
diff --git a/addons/material_maker/engine/gen_graph.gd b/addons/material_maker/engine/gen_graph.gd
index 0fd6576..8136463 100644
--- a/addons/material_maker/engine/gen_graph.gd
+++ b/addons/material_maker/engine/gen_graph.gd
@@ -331,5 +331,4 @@ func _deserialize(data : Dictionary) -> void:
 	if data.has("label"):
 		label = data.label
 	var nodes = data.nodes if data.has("nodes") else []
-	var connections = data.connections if data.has("connections") else []
-	mm_loader.add_to_gen_graph(self, nodes, connections)
+	mm_loader.add_to_gen_graph(self, nodes, data.connections if data.has("connections") else [])
diff --git a/addons/material_maker/engine/gen_remote.gd b/addons/material_maker/engine/gen_remote.gd
index ea1da41..5ca6782 100644
--- a/addons/material_maker/engine/gen_remote.gd
+++ b/addons/material_maker/engine/gen_remote.gd
@@ -37,7 +37,6 @@ func get_next_widget_name() -> String:
 
 func fix() -> void:
 	# Make sure all widgets have a name
-	var i = 0
 	for w in widgets:
 		if !w.has("name"):
 			w.name = get_next_widget_name()
@@ -76,7 +75,6 @@ func get_type_name() -> String:
 
 func get_parameter_defs() -> Array:
 	var rv = []
-	var i = 0
 	for w in widgets:
 		match w.type:
 			"config_control":
@@ -90,7 +88,6 @@ func get_parameter_defs() -> Array:
 					for c in configurations:
 						p.values.push_back({ name=c, value=c })
 				rv.append(p)
-				i += 1
 			"linked_control":
 				var linked = w.linked_widgets[0]
 				var p : Dictionary
@@ -105,7 +102,6 @@ func get_parameter_defs() -> Array:
 				p.name = w.name
 				p.label = w.label
 				rv.append(p)
-				i += 1
 			_:
 				print("Unsupported widget of type "+str(w.type))
 	return rv
diff --git a/addons/material_maker/engine/gen_shader.gd b/addons/material_maker/engine/gen_shader.gd
index a80d467..3410f79 100644
--- a/addons/material_maker/engine/gen_shader.gd
+++ b/addons/material_maker/engine/gen_shader.gd
@@ -78,7 +78,6 @@ func find_keyword_call(string, keyword):
 		return null
 	var parenthesis_level = 0
 	var parameter_begin = position+search_string.length()
-	var parameter_end = -1
 	for i in range(parameter_begin, string.length()):
 		if string[i] == '(':
 			parenthesis_level += 1
@@ -236,10 +235,6 @@ func subst(string : String, context : MMGenContext, uv : String = "") -> Diction
 			cont = changed and new_pass_required
 	return { string=string, globals=required_globals, defs=required_defs, code=required_code, textures=required_textures }
 
-func create_input_function(function_name : String, input_index : int, context : MMGenContext) -> Dictionary:
-	var rv = { globals=[], defs="", code="", textures={} }
-	return rv
-
 func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -> Dictionary:
 	var genname = "o"+str(get_instance_id())
 	var rv = { globals=[], defs="", code="", textures={} }
diff --git a/project.godot b/project.godot
index b6ff273..2bd16b2 100644
--- a/project.godot
+++ b/project.godot
@@ -189,8 +189,7 @@ mm_renderer="*res://addons/material_maker/engine/renderer.tscn"
 
 [debug]
 
-gdscript/warnings/unsafe_property_access=true
-gdscript/warnings/unsafe_method_access=true
+gdscript/warnings/exclude_addons=false
 gdscript/warnings/unsafe_cast=true
 gdscript/warnings/unsafe_call_argument=true