diff --git a/src/db.rs b/src/db.rs
index 95c56b7..467c7bd 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -23,7 +23,6 @@ use color_eyre::{
 };
 
 pub struct Db {
-    db: Dir,
     objects: Dir,
 }
 
@@ -49,7 +48,7 @@ impl Db {
             .open_dir("objects")
             .wrap_err("error opening .fuf/db/objects")?;
 
-        Ok(Self { db, objects })
+        Ok(Self { objects })
     }
 
     pub fn save_file(&self, content: &[u8]) -> Result<Address> {
diff --git a/src/workspace.rs b/src/workspace.rs
index 2e9a99e..eeeae45 100644
--- a/src/workspace.rs
+++ b/src/workspace.rs
@@ -11,7 +11,7 @@ use color_eyre::{
 };
 
 pub struct Workspace {
-    root: Dir,
+    _root: Dir,
     pub db: Db,
 }
 
@@ -34,7 +34,7 @@ impl Workspace {
         let dir = File::open(root).wrap_err("opening workspace directory")?;
         let dir = Dir::from_std_file(dir);
         let db = Db::open(&dir).wrap_err("opening .fuf database")?;
-        Ok(Self { root: dir, db })
+        Ok(Self { _root: dir, db })
     }
 }