diff --git a/.gitignore b/.gitignore
index cbf15da..791a380 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,12 @@
+# misc
 .DS_Store
-.direnv/
 
+# result
 /target
 
+# test bin
 /src/main.rs
 
+# direnv
+.envrc
+.direnv/
diff --git a/.vim/coc-settings.json b/.vim/coc-settings.json
deleted file mode 100644
index 6f5c4ed..0000000
--- a/.vim/coc-settings.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "rust-analyzer.cargo.features": "all"
-}
diff --git a/.vscode/settings.json b/.vscode/settings.json
deleted file mode 100644
index da08690..0000000
--- a/.vscode/settings.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "rust.all_features": true
-}
\ No newline at end of file