diff --git a/libcnb-test/src/pack.rs b/libcnb-test/src/pack.rs
index c2c406c2..930da636 100644
--- a/libcnb-test/src/pack.rs
+++ b/libcnb-test/src/pack.rs
@@ -1,7 +1,6 @@
 use std::collections::BTreeMap;
 use std::path::PathBuf;
 use std::process::Command;
-use tempfile::TempDir;
 
 /// Represents a `pack build` command.
 #[derive(Clone, Debug)]
@@ -28,12 +27,6 @@ impl From<PathBuf> for BuildpackReference {
     }
 }
 
-impl From<&TempDir> for BuildpackReference {
-    fn from(path: &TempDir) -> Self {
-        Self::Path(path.path().into())
-    }
-}
-
 impl From<String> for BuildpackReference {
     fn from(id: String) -> Self {
         Self::Id(id)