diff --git a/radicle-git-ext/t/src/gen.rs b/radicle-git-ext/t/src/gen.rs
index dc86363..3746e45 100644
--- a/radicle-git-ext/t/src/gen.rs
+++ b/radicle-git-ext/t/src/gen.rs
@@ -3,7 +3,6 @@
 use proptest::strategy::Strategy;
 
 pub mod commit;
-pub mod urn;
 
 pub fn alphanumeric() -> impl Strategy<Value = String> {
     "[a-zA-Z0-9_]+"
diff --git a/radicle-git-ext/t/src/gen/urn.rs b/radicle-git-ext/t/src/gen/urn.rs
deleted file mode 100644
index 376d304..0000000
--- a/radicle-git-ext/t/src/gen/urn.rs
+++ /dev/null
@@ -1,16 +0,0 @@
-use proptest::prelude::*;
-use radicle_git_ext::Oid;
-
-/// A proptest strategy that generates [`radicle_git_ext::oid::Oid`] values
-/// of the type indicated in parameter `kind`
-pub fn gen_oid(kind: git2::ObjectType) -> impl Strategy<Value = Oid> {
-    any::<Vec<u8>>()
-        .prop_map(move |bytes| git2::Oid::hash_object(kind, &bytes).map(Oid::from).unwrap())
-}
-
-/// A proptest strategy that generates [`radicle_git_ext::oid::Oid`] values
-/// of the type indicated in parameter `kind` or a zeroed `Oid` with
-/// equal probability
-pub fn gen_oid_with_zero(kind: git2::ObjectType) -> impl Strategy<Value = Oid> {
-    prop_oneof![gen_oid(kind), Just(git2::Oid::ZERO_SHA1.into()),]
-}