diff --git a/koucha/src/db.rs b/koucha/src/db.rs
index cea05ac..6914cfa 100644
--- a/koucha/src/db.rs
+++ b/koucha/src/db.rs
@@ -11,23 +11,15 @@ pub use channel::Channel;
 mod item;
 pub use item::Item;
 
-macro_rules! define_key {
-  ($name:ident) => {
-    #[derive(PartialEq, Debug, Copy, Clone)]
-    pub struct $name(i64);
-  };
-
-  ($name:ident, $($field:ident),* $(,)?) => {
-    #[derive(PartialEq, Debug, Copy, Clone)]
-    pub struct $name {
-      $($field: i64),*
-    }
-  };
+macro_rules! define_id {
+    ($name:ident) => {
+      #[derive(PartialEq, Debug, Copy, Clone)]
+      pub struct $name(i64);
+      impl From<$name> for i64 { fn from(id: $name) -> Self { id.0 } }
+    };
 }
 
-define_key!(UserKey);
-define_key!(FeedKey);
-define_key!(FeedChannelKey, feed_id, channel_id);
-define_key!(FeedItemKey, feed_id, item_id);
-define_key!(ChannelKey);
-define_key!(ItemKey);
+define_id!(UserId);
+define_id!(FeedId);
+define_id!(ChannelId);
+define_id!(ItemId);
diff --git a/koucha/src/db/channel.rs b/koucha/src/db/channel.rs
index b79454f..6df59fb 100644
--- a/koucha/src/db/channel.rs
+++ b/koucha/src/db/channel.rs
@@ -4,7 +4,7 @@ use crate::{
   Result,
   AdapterPool,
   db::{
-    ChannelKey,
+    ChannelId,
     Item,
     FeedChannel,
     feed_channel::UnparsedFeedChannel,
@@ -23,7 +23,7 @@ pub struct UnparsedChannel {
 impl UnparsedChannel {
   pub fn parse(self) -> Result<Channel> {
     Ok(Channel {
-      id: ChannelKey(self.id),
+      id: ChannelId(self.id),
       title: self.title,
       link: Url::parse(&self.link)?,
       description: self.description,
@@ -36,7 +36,7 @@ impl UnparsedChannel {
 }
 
 pub struct Channel {
-  id: ChannelKey,
+  id: ChannelId,
   title: String,
   link: Url,
   description: Option<String>,
@@ -44,7 +44,7 @@ pub struct Channel {
 }
 
 impl Channel {
-  pub fn id(&self) -> ChannelKey { self.id }
+  pub fn id(&self) -> ChannelId { self.id }
   pub fn title(&self) -> &str { &self.title }
   pub fn link(&self) -> &Url { &self.link }
   pub fn description(&self) -> Option<&str> { self.description.as_deref() }
@@ -59,7 +59,7 @@ impl Channel {
     channels
   }
 
-  pub async fn get(pool: &AdapterPool, id: ChannelKey) -> Result<Self> {
+  pub async fn get(pool: &AdapterPool, id: ChannelId) -> Result<Self> {
     let channel: Result<Self> = sqlx::query_as!(
       UnparsedChannel,
       "SELECT id, title, link, description, last_fetched
@@ -245,7 +245,10 @@ mod tests {
     let channel1 = Channel::get_or_create(pool, url_feed.clone()).await.unwrap();
     let channel2 = Channel::get_or_create(pool, url_feed).await.unwrap();
 
-    assert_eq!(channel1.id(), channel2.id());
+    assert_eq!(
+      i64::from(channel1.id()),
+      i64::from(channel2.id())
+    );
   }
 
   #[tokio::test]
diff --git a/koucha/src/db/feed.rs b/koucha/src/db/feed.rs
index c3c95d1..a769b1b 100644
--- a/koucha/src/db/feed.rs
+++ b/koucha/src/db/feed.rs
@@ -3,10 +3,10 @@ use crate::{
   Result,
   db::{
     Channel,
-    ChannelKey,
-    FeedKey,
+    ChannelId,
+    FeedId,
     Item,
-    UserKey,
+    UserId,
     channel::UnparsedChannel,
     item::UnparsedItem,
   },
@@ -19,23 +19,23 @@ pub struct UnparsedFeed {
 impl UnparsedFeed {
   pub fn parse(self) -> Result<Feed> {
     Ok(Feed {
-      id: FeedKey(self.id),
+      id: FeedId(self.id),
       title: self.title,
     })
   }
 }
 
 pub struct Feed {
-  id: FeedKey,
+  id: FeedId,
   title: String,
 }
 
 impl Feed {
-  pub fn id(&self) -> FeedKey { self.id }
+  pub fn id(&self) -> FeedId { self.id }
   pub fn title(&self) -> &str { &self.title }
 
   pub async fn get(
-    pool: &AdapterPool, id: FeedKey
+    pool: &AdapterPool, id: FeedId
   ) -> Result<Self> {
     let feed = sqlx::query_as!(
       UnparsedFeed,
@@ -47,21 +47,22 @@ impl Feed {
   }
 
   pub async fn create(
-    pool: &AdapterPool, user_id: UserKey, title: &str
+    pool: &AdapterPool, user_id: UserId, title: &str
   ) -> Result<Self> {
+    let int_id = i64::from(user_id);
     let new_feed = sqlx::query_as!(
       UnparsedFeed,
       "INSERT INTO feeds (user_id, title) 
        VALUES (?, ?)
        RETURNING id as `id!`, title",
-      user_id.0, title
+      int_id, title
     ).fetch_one(&pool.0).await?.parse();
 
     new_feed
   }
 
   pub async fn update_title(
-    pool: &AdapterPool, id: FeedKey, new_title: &str
+    pool: &AdapterPool, id: FeedId, new_title: &str
   ) -> Result<()> {
     sqlx::query!(
       "UPDATE feeds SET title = ? WHERE id = ?",
@@ -72,12 +73,13 @@ impl Feed {
   }
 
   pub async fn add_channel(
-    &self, pool: &AdapterPool, channel_id: ChannelKey
+    &self, pool: &AdapterPool, channel_id: ChannelId
   ) -> Result<()> {
+    let int_channel_id = i64::from(channel_id);
     sqlx::query!(
       "INSERT INTO feed_channels (feed_id, channel_id)
        VALUES (?, ?)",
-      self.id.0, channel_id.0
+      self.id.0, int_channel_id
     ).execute(&pool.0).await?;
 
     Ok(())
diff --git a/koucha/src/db/feed_channel.rs b/koucha/src/db/feed_channel.rs
index d736c2d..f8a3870 100644
--- a/koucha/src/db/feed_channel.rs
+++ b/koucha/src/db/feed_channel.rs
@@ -3,9 +3,9 @@ use crate::{
   AdapterPool,
   db::{
     Channel,
-    ChannelKey,
+    ChannelId,
     Feed,
-    FeedKey,
+    FeedId,
     Item,
   },
   score::{
@@ -26,8 +26,8 @@ pub struct UnparsedFeedChannel {
 impl UnparsedFeedChannel {
   pub fn parse(self) -> Result<FeedChannel> {
     Ok(FeedChannel {
-      channel_id: ChannelKey(self.channel_id),
-      feed_id: FeedKey(self.feed_id),
+      channel_id: ChannelId(self.channel_id),
+      feed_id: FeedId(self.feed_id),
       initial_score: Score::new(self.initial_score),
       gravity: Gravity::new(self.gravity),
       boost: Boost::new(self.boost),
@@ -36,8 +36,8 @@ impl UnparsedFeedChannel {
 }
 
 pub struct FeedChannel {
-  channel_id: ChannelKey,
-  feed_id: FeedKey,
+  channel_id: ChannelId,
+  feed_id: FeedId,
   initial_score: Score,
   gravity: Gravity,
   boost: Boost,
@@ -60,14 +60,15 @@ impl FeedChannel {
   async fn add_item_at(
     &self, pool: &AdapterPool, item: &Item, add_at: DateTime<Utc>
   ) -> Result<()> {
-    let int_item_id = item.id().0;
+    let int_item_id = i64::from(item.id());
+    let int_feed_id = i64::from(self.feed_id);
     let int_initial_score = i64::from(self.initial_score);
     let string_last_updated = add_at.to_rfc2822();
 
     sqlx::query!(
       "INSERT OR IGNORE INTO feed_items (feed_id, item_id, score, last_updated)
        VALUES (?, ?, ?, ?)",
-      self.feed_id.0, int_item_id, int_initial_score, string_last_updated
+      int_feed_id, int_item_id, int_initial_score, string_last_updated
     ).execute(&pool.0).await?;
     Ok(())
   }
@@ -80,7 +81,7 @@ mod tests {
   use crate::{
     db::{
       Channel,
-      FeedKey,
+      FeedId,
       User
     },
     test_utils::{
@@ -123,7 +124,7 @@ mod tests {
 
     let fc = FeedChannel {
       channel_id: channel.id(),
-      feed_id: FeedKey(1), // Fake Feed
+      feed_id: FeedId(1), // Fake Feed
       initial_score: Score::new(None),
       gravity: Gravity::new(None),
       boost: Boost::new(None),
@@ -142,7 +143,7 @@ mod tests {
     let feed = Feed::create(pool, user.id(), "My Feed").await.unwrap();
 
     let fc = FeedChannel {
-      channel_id: ChannelKey(1), // Fake Channel
+      channel_id: ChannelId(1), // Fake Channel
       feed_id: feed.id(),
       initial_score: Score::new(None),
       gravity: Gravity::new(None),
diff --git a/koucha/src/db/feed_item.rs b/koucha/src/db/feed_item.rs
index ba1c29a..052e8a3 100644
--- a/koucha/src/db/feed_item.rs
+++ b/koucha/src/db/feed_item.rs
@@ -3,11 +3,12 @@ use crate::{
   Result,
   AdapterPool,
   db::{
-    FeedItemKey,
+    ItemId,
+    FeedId,
   },
   score::{
     TimedScore,
-    UnparsedTimedScore
+    UnparsedTimedScore,
   },
 };
 
@@ -21,10 +22,8 @@ pub struct UnparsedFeedItem {
 impl UnparsedFeedItem {
   pub fn parse(self) -> Result<FeedItem> {
     Ok(FeedItem {
-      key: FeedItemKey {
-        feed_id: self.feed_id,
-        item_id: self.item_id,
-      },
+      item_id: ItemId(self.item_id),
+      feed_id: FeedId(self.feed_id),
       score: (UnparsedTimedScore {
         value: self.score,
         last_updated: DateTime::parse_from_rfc2822(&self.last_updated)?
@@ -39,41 +38,19 @@ impl UnparsedFeedItem {
 }
 
 pub struct FeedItem {
-  key: FeedItemKey,
+  item_id: ItemId,
+  feed_id: FeedId,
   score: TimedScore,
 }
 
 impl FeedItem {
-  pub fn key(&self) -> FeedItemKey { self.key }
-  pub fn score(&self) -> TimedScore { self.score.clone() }
-
-  pub async fn archive(
-    &self, pool: &AdapterPool
-  ) -> Result<()> {
-    sqlx::query!(
-      "UPDATE feed_items
-       SET archived = ?
-       WHERE feed_id = ? AND item_id = ?",
-      true, self.key.feed_id, self.key.item_id
-    ).execute(&pool.0).await?;
-
-    Ok(())
-  }
-
-  pub async fn update_score(
-    pool: &AdapterPool, key: FeedItemKey, new_score: TimedScore
-  ) -> Result<()> {
-    let unparsed_score = UnparsedTimedScore::unparse(new_score);
-    let last_updated = unparsed_score.last_updated.to_rfc2822();
-    let boosted_at = unparsed_score.last_boosted.map(|lb| lb.to_rfc2822());
-
-    sqlx::query!(
-      "UPDATE feed_items
-       SET score = ?, last_updated = ?, boosted_at = ?
-       WHERE feed_id = ? AND item_id = ?",
-      unparsed_score.value, last_updated, boosted_at, key.feed_id, key.item_id
-    ).execute(&pool.0).await?;
-
-    Ok(())
-  }
+  // async fn boost(pool: &AdapterPool, boost: Boost) -> Result<()> {
+  //   self.boost_at(pool, boost, Utc::now()).await
+  // }
+  //
+  // async fn boost_at(
+  //   &self, pool: &AdapterPool, boost: Boost, boost_at: DateTime<Utc>
+  // ) -> Result<()> {
+  //
+  // }
 }
diff --git a/koucha/src/db/item.rs b/koucha/src/db/item.rs
index e3486d4..cb25331 100644
--- a/koucha/src/db/item.rs
+++ b/koucha/src/db/item.rs
@@ -2,8 +2,8 @@ use crate::{
   Result,
   AdapterPool,
   db::{
-    ChannelKey,
-    ItemKey,
+    ChannelId,
+    ItemId,
   },
   fetch::FetchedRSSItem,
 };
@@ -22,8 +22,8 @@ pub struct UnparsedItem {
 impl UnparsedItem {
   pub fn parse(self) -> Result<Item> {
     Ok(Item {
-      id: ItemKey(self.id),
-      channel_id: ChannelKey(self.channel_id),
+      id: ItemId(self.id),
+      channel_id: ChannelId(self.channel_id),
       fetched_at: match self.fetched_at {
         Some(dt_str) => Some(DateTime::parse_from_rfc2822(&dt_str)?
           .with_timezone(&Utc)),
@@ -38,8 +38,8 @@ impl UnparsedItem {
 }
 
 pub struct Item {
-  id: ItemKey,
-  channel_id: ChannelKey,
+  id: ItemId,
+  channel_id: ChannelId,
 
   #[allow(dead_code)] // TODO: Use for score decay calculations later
   fetched_at: Option<DateTime<Utc>>,
@@ -49,15 +49,16 @@ pub struct Item {
 }
 
 impl Item {
-  pub fn id(&self) -> ItemKey { self.id }
-  pub fn channel(&self) -> ChannelKey { self.channel_id }
+  pub fn id(&self) -> ItemId { self.id }
+  pub fn channel(&self) -> ChannelId { self.channel_id }
   pub fn title(&self) -> Option<&str> { self.title.as_deref() }
   pub fn description(&self) -> Option<&str> { self.description.as_deref() }
   pub fn content(&self) -> Option<&str> { self.content.as_deref() }
 
   pub async fn get_or_create(
-    pool: &AdapterPool, from_channel: ChannelKey, guid: &str
+    pool: &AdapterPool, from_channel: ChannelId, guid: &str
   ) -> Result<Self> {
+    let int_channel_id = i64::from(from_channel);
 
     let item = sqlx::query_as!(
       UnparsedItem,
@@ -66,7 +67,7 @@ impl Item {
        ON CONFLICT(channel_id, guid) DO UPDATE SET channel_id = channel_id
        RETURNING id as `id!`, channel_id, fetched_at, title, description,
          content",
-      from_channel.0, guid
+      int_channel_id, guid
     ).fetch_one(&pool.0).await?.parse();
 
     item
diff --git a/koucha/src/db/user.rs b/koucha/src/db/user.rs
index ef7ba51..63f24d8 100644
--- a/koucha/src/db/user.rs
+++ b/koucha/src/db/user.rs
@@ -2,7 +2,7 @@ use crate::{
   Result,
   AdapterPool,
   db::{
-    UserKey,
+    UserId,
     Feed,
     feed::UnparsedFeed,
   },
@@ -15,22 +15,22 @@ pub struct UnparsedUser {
 impl UnparsedUser {
   pub fn parse(self) -> Result<User> {
     Ok(User {
-      id: UserKey(self.id),
+      id: UserId(self.id),
       name: self.name
     })
   }
 }
 
 pub struct User {
-  id: UserKey,
+  id: UserId,
   name: String,
 }
 
 impl User {
-  pub fn id(&self) -> UserKey { self.id }
+  pub fn id(&self) -> UserId { self.id }
   pub fn name(&self) -> &str { &self.name }
 
-  pub async fn get(pool: &AdapterPool, id: UserKey) -> Result<Self> {
+  pub async fn get(pool: &AdapterPool, id: UserId) -> Result<Self> {
     let user = sqlx::query_as!(
       UnparsedUser,
       "SELECT id, name FROM users WHERE id = ?",
@@ -58,13 +58,13 @@ impl User {
     ).fetch_one(&pool.0).await?;
 
     Ok(Self {
-      id: UserKey(result.id),
+      id: UserId(result.id),
       name: result.name,
     })
   }
 
   pub async fn update_name(
-      pool: &AdapterPool, id: UserKey, new_name: &str
+      pool: &AdapterPool, id: UserId, new_name: &str
   ) -> Result<()> {
     sqlx::query!(
       "UPDATE users SET name = ? WHERE id = ?",
diff --git a/koucha/src/score.rs b/koucha/src/score.rs
index 754ca17..6d6cba2 100644
--- a/koucha/src/score.rs
+++ b/koucha/src/score.rs
@@ -80,24 +80,8 @@ impl UnparsedTimedScore {
       }),
     }
   }
-
-  pub fn unparse(ts: TimedScore) -> Self {
-    match ts {
-      TimedScore::Decaying(ds) => UnparsedTimedScore {
-        value: ds.value.into(),
-        last_updated: ds.last_updated,
-        last_boosted: None,
-      },
-      TimedScore::Boosted(bs) => UnparsedTimedScore {
-        value: bs.value.into(),
-        last_updated: bs.boosted_at,
-        last_boosted: Some(bs.boosted_at),
-      },
-    }
-  }
 }
 
-#[derive(Clone)]
 pub enum TimedScore {
   Decaying(DecayingScore),
   Boosted(BoostedScore),
@@ -164,13 +148,11 @@ impl TimedScore {
   }
 }
 
-#[derive(Clone)]
 pub struct BoostedScore {
   value: Score,
   boosted_at: DateTime<Utc>,
 }
 
-#[derive(Clone)]
 pub struct DecayingScore {
   value: Score,
   last_updated: DateTime<Utc>,