diff --git a/src/tests.rs b/src/tests.rs
index d1d3f84..065f9da 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -9,14 +9,14 @@ fn _1()->Result<(),crate::v0::Error>{
 	for &TimedBlockId{time,block_id} in &bot_file.header.offline_blocks_timeline{
 		println!("offline time={} block_id={:?}",time,block_id);
 		let block_info=bot_file.header.block_info(block_id)?;
-		let block=bot_file.data.read_block_info(block_info)?;
+		let _block=bot_file.data.read_block_info(block_info)?;
 		// offline blocks include the following event types:
 		// World, Gravity, Run, Camera, Setting
 	}
 	for &TimedBlockId{time,block_id} in &bot_file.header.realtime_blocks_timeline{
 		println!("realtime time={} block_id={:?}",time,block_id);
 		let block_info=bot_file.header.block_info(block_id)?;
-		let block=bot_file.data.read_block_info(block_info)?;
+		let _block=bot_file.data.read_block_info(block_info)?;
 		// realtime blocks include the following event types:
 		// Input, Output, Sound
 	}
@@ -33,7 +33,7 @@ fn _2()->Result<(),crate::v0::Error>{
 
 	let mut bot_file=crate::v0::File::new(input).unwrap();
 
-	let block=bot_file.read_all()?;
+	let _block=bot_file.read_all()?;
 
 	println!("{:?}",t0.elapsed());