diff --git a/GamecraftModdingAPI/Block.cs b/GamecraftModdingAPI/Block.cs
index ade9f9b..dc3fe19 100644
--- a/GamecraftModdingAPI/Block.cs
+++ b/GamecraftModdingAPI/Block.cs
@@ -82,6 +82,7 @@ namespace GamecraftModdingAPI
 					position, uscale, scale, player, rotation, out var initializer);
 				var bl = New<T>(egid.entityID, egid.groupID);
 				bl.InitData.Group = BlockEngine.InitGroup(initializer);
+				Placed += bl.OnPlacedInit;
 				return bl;
 			}
 
@@ -352,6 +353,13 @@ namespace GamecraftModdingAPI
 				(GridConnectionsEntityStruct st) => new SimBody(st.machineRigidBodyId));
 		}
 
+		private void OnPlacedInit(object sender, BlockPlacedRemovedEventArgs e)
+		{ //Member method instead of lambda to avoid constantly creating delegates
+			if (e.ID != Id) return;
+			Placed -= OnPlacedInit; //And we can reference it
+			InitData = default; //Remove initializer as it's no longer valid - if the block gets removed it shouldn't be used again
+		}
+
 		public override string ToString()
 		{
 			return $"{nameof(Id)}: {Id}, {nameof(Position)}: {Position}, {nameof(Type)}: {Type}, {nameof(Color)}: {Color}, {nameof(Exists)}: {Exists}";