diff --git a/youmubot-db-sql/src/models/osu.rs b/youmubot-db-sql/src/models/osu.rs
index 9397966..ce8c9e5 100644
--- a/youmubot-db-sql/src/models/osu.rs
+++ b/youmubot-db-sql/src/models/osu.rs
@@ -218,6 +218,13 @@ impl CachedBeatmap {
         .await
         .map_err(Error::from)
     }
+
+    /// Delete all of the caches.
+    pub async fn clear_all(conn: impl Executor<'_, Database = Database>) -> Result<()> {
+        conn.execute("DELETE FROM osu_cached_beatmapsets; DELETE FROM osu_cached_beatmaps;")
+            .await?;
+        Ok(())
+    }
 }
 
 impl CachedBeatmap {
@@ -291,6 +298,13 @@ impl CachedBeatmapContent {
         .await
         .map_err(Error::from)
     }
+
+    /// Delete all of the caches.
+    pub async fn clear_all(conn: impl Executor<'_, Database = Database>) -> Result<()> {
+        conn.execute("DELETE FROM osu_cached_beatmap_contents;")
+            .await?;
+        Ok(())
+    }
 }
 
 impl CachedBeatmapContent {
diff --git a/youmubot-osu/src/discord/beatmap_cache.rs b/youmubot-osu/src/discord/beatmap_cache.rs
index 40f3d76..b523844 100644
--- a/youmubot-osu/src/discord/beatmap_cache.rs
+++ b/youmubot-osu/src/discord/beatmap_cache.rs
@@ -23,6 +23,12 @@ impl BeatmapMetaCache {
         BeatmapMetaCache { client, pool }
     }
 
+    /// Clean the cache.
+    pub async fn clear(&self) -> Result<()> {
+        models::CachedBeatmap::clear_all(&self.pool).await?;
+        Ok(())
+    }
+
     #[allow(clippy::wrong_self_convention)]
     fn to_cached_beatmap(beatmap: &Beatmap, mode: Option<Mode>) -> models::CachedBeatmap {
         models::CachedBeatmap {
diff --git a/youmubot-osu/src/discord/mod.rs b/youmubot-osu/src/discord/mod.rs
index b50d559..a8e7ff9 100644
--- a/youmubot-osu/src/discord/mod.rs
+++ b/youmubot-osu/src/discord/mod.rs
@@ -122,7 +122,8 @@ pub async fn setup(
     check,
     top,
     server_rank,
-    update_leaderboard
+    update_leaderboard,
+    clean_cache
 )]
 #[default_command(std)]
 struct Osu;
@@ -702,6 +703,23 @@ pub async fn top(ctx: &Context, msg: &Message, mut args: Args) -> CommandResult
     Ok(())
 }
 
+#[command("cleancache")]
+#[owners_only]
+#[description = "Clean the beatmap cache."]
+#[usage = "[--oppai to clear oppai cache as well]"]
+#[max_args(1)]
+pub async fn clean_cache(ctx: &Context, msg: &Message, args: Args) -> CommandResult {
+    let data = ctx.data.read().await;
+    let meta_cache = data.get::<BeatmapMetaCache>().unwrap();
+    meta_cache.clear().await?;
+    if args.remains() == Some("--oppai") {
+        let oppai = data.get::<BeatmapCache>().unwrap();
+        oppai.clear().await?;
+    }
+    msg.reply_ping(ctx, "Beatmap cache cleared!").await?;
+    Ok(())
+}
+
 async fn get_user(ctx: &Context, msg: &Message, mut args: Args, mode: Mode) -> CommandResult {
     let data = ctx.data.read().await;
     let user = to_user_id_query(args.single::<UsernameArg>().ok(), &data, msg).await?;
diff --git a/youmubot-osu/src/discord/oppai_cache.rs b/youmubot-osu/src/discord/oppai_cache.rs
index 6720d20..54d86ed 100644
--- a/youmubot-osu/src/discord/oppai_cache.rs
+++ b/youmubot-osu/src/discord/oppai_cache.rs
@@ -316,6 +316,12 @@ impl BeatmapCache {
         BeatmapCache { client, pool }
     }
 
+    /// Clean the cache.
+    pub async fn clear(&self) -> Result<()> {
+        models::CachedBeatmapContent::clear_all(&self.pool).await?;
+        Ok(())
+    }
+
     fn parse_beatmap(content: impl AsRef<str>) -> Result<BeatmapContent> {
         let content = content.as_ref();
         let metadata = osuparse::parse_beatmap(content)