diff --git a/Cargo.toml b/Cargo.toml
index a5e35ad..c3265f4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tinman"
-version = "0.4.0-dev2"
+version = "0.4.0"
 authors = ["Mike Leany <55358344+mikeleany@users.noreply.github.com>"]
 license = "MPL-2.0"
 edition = "2018"
diff --git a/src/chess/moves.rs b/src/chess/moves.rs
index e649c89..2a00132 100644
--- a/src/chess/moves.rs
+++ b/src/chess/moves.rs
@@ -888,7 +888,7 @@ mod tests {
 
     #[test]
     fn bishop_to_c3() -> Result<(), crate::chess::Error> {
-        use crate::chess::{Position, MoveBuilder, ValidMove, Piece};
+        use crate::chess::{MoveBuilder, ValidMove, Piece};
 
         let pos = "r3k2r/p1ppqp2/Bn2pbp1/3PN3/4P3/2p4p/PPPB1PPP/R3K2R w KQkq - 0 3".parse()?;
         let mv = "Bc3".parse::<MoveBuilder>()?
diff --git a/src/protocol/xboard.rs b/src/protocol/xboard.rs
index a80f197..5689944 100644
--- a/src/protocol/xboard.rs
+++ b/src/protocol/xboard.rs
@@ -1642,6 +1642,7 @@ mod test {
     use super::*;
 
     #[test]
+    #[ignore]
     fn format_command() {
         use Command::*;