diff --git a/src/net_protocol.rs b/src/net_protocol.rs
index 31b92386f..83d4c72ab 100644
--- a/src/net_protocol.rs
+++ b/src/net_protocol.rs
@@ -153,27 +153,30 @@ impl<S: crate::store::Store> Builder<S> {
     }
 }
 
-impl Blobs<crate::store::mem::Store> {
-    /// Create a new memory-backed Blobs protocol handler.
-    pub fn memory() -> Builder<crate::store::mem::Store> {
+impl<S> Blobs<S> {
+    /// Create a new Blobs protocol handler builder, given a store.
+    pub fn builder(store: S) -> Builder<S> {
         Builder {
-            store: crate::store::mem::Store::new(),
+            store,
             events: None,
             gc_config: None,
         }
     }
 }
 
+impl Blobs<crate::store::mem::Store> {
+    /// Create a new memory-backed Blobs protocol handler.
+    pub fn memory() -> Builder<crate::store::mem::Store> {
+        Self::builder(crate::store::mem::Store::new())
+    }
+}
+
 impl Blobs<crate::store::fs::Store> {
     /// Load a persistent Blobs protocol handler from a path.
     pub async fn persistent(
         path: impl AsRef<std::path::Path>,
     ) -> anyhow::Result<Builder<crate::store::fs::Store>> {
-        Ok(Builder {
-            store: crate::store::fs::Store::load(path).await?,
-            events: None,
-            gc_config: None,
-        })
+        Ok(Self::builder(crate::store::fs::Store::load(path).await?))
     }
 }
 
diff --git a/src/store/fs/tables.rs b/src/store/fs/tables.rs
index afbf8b66f..d49dd42e7 100644
--- a/src/store/fs/tables.rs
+++ b/src/store/fs/tables.rs
@@ -83,8 +83,8 @@ pub(super) struct ReadOnlyTables {
     pub inline_outboard: redb::ReadOnlyTable<Hash, &'static [u8]>,
 }
 
-impl<'txn> ReadOnlyTables {
-    pub fn new(tx: &'txn redb::ReadTransaction) -> std::result::Result<Self, TableError> {
+impl ReadOnlyTables {
+    pub fn new(tx: &redb::ReadTransaction) -> std::result::Result<Self, TableError> {
         Ok(Self {
             blobs: tx.open_table(BLOBS_TABLE)?,
             tags: tx.open_table(TAGS_TABLE)?,