diff --git a/classes/deck/nodes/general/bool_constant.gd b/classes/deck/nodes/general/bool_constant.gd
index 099a6d3..00908f8 100644
--- a/classes/deck/nodes/general/bool_constant.gd
+++ b/classes/deck/nodes/general/bool_constant.gd
@@ -18,7 +18,4 @@ func _init() -> void:
 
 
 func _value_request(_from_port: int) -> Variant:
-	if ports[0].value_callback.get_object():
-		return ports[0].value_callback.call()
-	else:
-		return ports[0].value
+	return ports[0].value
diff --git a/classes/deck/nodes/general/expression_node.gd b/classes/deck/nodes/general/expression_node.gd
index 523fd35..9724744 100644
--- a/classes/deck/nodes/general/expression_node.gd
+++ b/classes/deck/nodes/general/expression_node.gd
@@ -28,7 +28,7 @@ func _init():
 
 
 func parse(input: Dictionary) -> Variant:
-	var text = get_output_ports()[0].value_callback.call()
+	var text = get_output_ports()[0].value
 
 	var err = expr.parse(text, ["deck_var", "input"])
 	if err != OK:
diff --git a/classes/deck/nodes/general/get_deck_var.gd b/classes/deck/nodes/general/get_deck_var.gd
index 40419c6..9be08cf 100644
--- a/classes/deck/nodes/general/get_deck_var.gd
+++ b/classes/deck/nodes/general/get_deck_var.gd
@@ -17,5 +17,5 @@ func _init() -> void:
 
 
 func _value_request(_from_port: int) -> Variant:
-	var key = ports[0].value_callback.call()
+	var key = ports[0].value
 	return _belonging_to.variable_stack.get(key)
diff --git a/classes/deck/nodes/general/string_constant.gd b/classes/deck/nodes/general/string_constant.gd
index 5cf1f13..778f968 100644
--- a/classes/deck/nodes/general/string_constant.gd
+++ b/classes/deck/nodes/general/string_constant.gd
@@ -17,7 +17,4 @@ func _init() -> void:
 	)
 
 func _value_request(_from_port: int) -> Variant:
-	if ports[0].value_callback.get_object():
-		return ports[0].value_callback.call()
-	else:
-		return ports[0].value
+	return ports[0].value