diff --git a/src/bot.rs b/src/bot.rs
index cd23d82..d1472e0 100644
--- a/src/bot.rs
+++ b/src/bot.rs
@@ -6,7 +6,6 @@ pub enum Error{
 
 BLOCK_BOT_HEADER:
 u128 map_resource_uuid //which map is this bot running
-u128 time_resource_uuid //resource database time
 //don't include style info in bot header because it's in the simulation state
 //blocks are laid out in chronological order, but indices may jump around.
 u64 num_segments