diff --git a/classes/deck/deck.gd b/classes/deck/deck.gd
index 703b718..94b9e02 100644
--- a/classes/deck/deck.gd
+++ b/classes/deck/deck.gd
@@ -307,12 +307,30 @@ func copy_nodes(nodes_to_copy: Array[String]) -> Dictionary:
 				if !(to_node in nodes_to_copy):
 					(d.nodes[node].outgoing_connections[from_port] as Dictionary).erase(to_node)
 
+		var outgoing_is_empty: bool = true
+		for from_port: int in d.nodes[node].outgoing_connections:
+			if !(d.nodes[node].outgoing_connections[from_port] as Dictionary).is_empty():
+				outgoing_is_empty = false
+				break
+		
+		if outgoing_is_empty:
+			d.nodes[node].outgoing_connections = {}
+		
 		var incoming_connections: Dictionary = d.nodes[node].incoming_connections.duplicate(true)
 
 		for to_port: int in incoming_connections:
 			for from_node: String in incoming_connections[to_port]:
 				if !(from_node in nodes_to_copy):
 					(d.nodes[node].incoming_connections[to_port] as Dictionary).erase(from_node)
+		
+		var incoming_is_empty: bool = true
+		for to_port: int in d.nodes[node].incoming_connections:
+			if !(d.nodes[node].incoming_connections[to_port] as Dictionary).is_empty():
+				incoming_is_empty = false
+				break
+		
+		if incoming_is_empty:
+			d.nodes[node].incoming_connections = {}
 
 	for node: Dictionary in d.nodes.values().slice(1):
 		node.position.x = node.position.x - d.nodes.values()[0].position.x