diff --git a/.gitignore b/.gitignore
index 60da784..68dca65 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .stack-work/
 .vscode/
+*.swp
diff --git a/src/UToy/.Decode.hs.swp b/src/UToy/.Decode.hs.swp
deleted file mode 100644
index fb7123f..0000000
Binary files a/src/UToy/.Decode.hs.swp and /dev/null differ