diff --git a/autopush-common/src/db/bigtable/bigtable_client/mod.rs b/autopush-common/src/db/bigtable/bigtable_client/mod.rs
index 835419453..dd9449552 100644
--- a/autopush-common/src/db/bigtable/bigtable_client/mod.rs
+++ b/autopush-common/src/db/bigtable/bigtable_client/mod.rs
@@ -811,7 +811,7 @@ impl BigTableClientImpl {
             });
         };
 
-        cells.extend(channels_to_cells(Cow::Borrowed(&user._channels), expiry));
+        cells.extend(channels_to_cells(Cow::from(&user.priv_channels), expiry));
 
         row.add_cells(ROUTER_FAMILY, cells);
         row
@@ -986,7 +986,7 @@ impl DbClient for BigTableClientImpl {
         }
 
         // Read the channels last, after removal of all non channel cells
-        result._channels = channels_from_cells(&row.cells)?;
+        result.priv_channels = channels_from_cells(&row.cells)?;
 
         Ok(Some(result))
     }
@@ -1027,7 +1027,7 @@ impl DbClient for BigTableClientImpl {
         // value
         row.add_cells(
             ROUTER_FAMILY,
-            channels_to_cells(Cow::Owned(channels), expiry),
+            channels_to_cells(Cow::from(channels), expiry),
         );
 
         self.write_row(row).await?;
diff --git a/autopush-common/src/db/mod.rs b/autopush-common/src/db/mod.rs
index 206ed020e..4ed9e5a64 100644
--- a/autopush-common/src/db/mod.rs
+++ b/autopush-common/src/db/mod.rs
@@ -175,7 +175,7 @@ pub struct User {
     /// flexible API that might benefit different, non Bigtable [DbClient]
     /// backends that don't necessarily store the channel ids in the router
     /// record).
-    _channels: HashSet<Uuid>,
+    priv_channels: HashSet<Uuid>,
 }
 
 impl Default for User {
@@ -191,7 +191,7 @@ impl Default for User {
             record_version: Some(USER_RECORD_VERSION),
             current_timestamp: None,
             version: Some(Uuid::new_v4()),
-            _channels: HashSet::new(),
+            priv_channels: HashSet::new(),
         }
     }
 }