diff --git a/db/db-core/src/lib.rs b/db/db-core/src/lib.rs
index ae46f70a..77c98eca 100644
--- a/db/db-core/src/lib.rs
+++ b/db/db-core/src/lib.rs
@@ -283,6 +283,12 @@ pub trait MCDatabase: std::marker::Send + std::marker::Sync + CloneSPDatabase {
         &self,
         psuedo_id: &str,
     ) -> DBResult<String>;
+
+    /// Delete all records for campaign
+    async fn analytics_delete_all_records_for_campaign(
+        &self,
+        campaign_id: &str,
+    ) -> DBResult<()>;
 }
 
 #[derive(Debug, Clone, Default, Deserialize, Serialize, PartialEq)]
@@ -389,7 +395,6 @@ pub struct Secret {
     /// user's secret
     pub secret: String,
 }
-
 /// Trait to clone MCDatabase
 pub trait CloneSPDatabase {
     /// clone DB
diff --git a/db/db-core/src/tests.rs b/db/db-core/src/tests.rs
index 777a6f09..eccc27b0 100644
--- a/db/db-core/src/tests.rs
+++ b/db/db-core/src/tests.rs
@@ -304,6 +304,21 @@ pub async fn database_works<'a, T: MCDatabase>(
         .unwrap()
         .is_empty());
 
+    db.analytics_delete_all_records_for_campaign(c.key)
+        .await
+        .unwrap();
+    assert_eq!(db.analytics_fetch(c.key, 1000, 0).await.unwrap().len(), 0);
+    let err = db.analytics_get_psuedo_id_from_capmaign_id(c.key).await;
+    assert!(err.is_err());
+    assert_eq!(
+        format!("{:?}", err),
+        format!("{:?}", Err::<(), errors::DBError>(DBError::CaptchaNotFound))
+    );
+    db.analytics_delete_all_records_for_campaign(c.key)
+        .await
+        .unwrap();
+    // analytics end
+
     assert_eq!(db.fetch_solve(p.username, c.key).await.unwrap().len(), 1);
     assert_eq!(
         db.fetch_config_fetched(p.username, c.key)
@@ -314,7 +329,6 @@ pub async fn database_works<'a, T: MCDatabase>(
     );
     assert_eq!(db.fetch_solve(p.username, c.key).await.unwrap().len(), 1);
     assert_eq!(db.fetch_confirm(p.username, c.key).await.unwrap().len(), 1);
-    // analytics end
 
     // update captcha key; set key = username;
     db.update_captcha_key(p.username, c.key, p.username)
diff --git a/db/db-sqlx-maria/sqlx-data.json b/db/db-sqlx-maria/sqlx-data.json
index 7f82e8d5..48a43b0a 100644
--- a/db/db-sqlx-maria/sqlx-data.json
+++ b/db/db-sqlx-maria/sqlx-data.json
@@ -214,6 +214,16 @@
     },
     "query": "INSERT INTO mcaptcha_users \n        (name , password,  secret) VALUES (?, ?, ?)"
   },
+  "6094468b7fa20043b0da90e366b7f1fa29a8c748e163b6712725440b25ae9361": {
+    "describe": {
+      "columns": [],
+      "nullable": [],
+      "parameters": {
+        "Right": 1
+      }
+    },
+    "query": "\n            DELETE FROM\n                mcaptcha_pow_analytics\n            WHERE\n                config_id = (\n                    SELECT config_id FROM mcaptcha_config WHERE captcha_key = ?\n            ) "
+  },
   "66ec7df10484f8e0206f3c97afc9136021589556c38dbbed341d6574487f79f2": {
     "describe": {
       "columns": [
@@ -883,6 +893,16 @@
     },
     "query": "INSERT INTO mcaptcha_pow_solved_stats \n        (config_id, time) VALUES ((SELECT config_id FROM mcaptcha_config where captcha_key= ?), ?)"
   },
+  "e4d9bf156a368dcee1433dd5ced9f1991aa15f84e0ade916433aada40f68f0aa": {
+    "describe": {
+      "columns": [],
+      "nullable": [],
+      "parameters": {
+        "Right": 1
+      }
+    },
+    "query": "\n        DELETE FROM\n            mcaptcha_psuedo_campaign_id\n        WHERE config_id = (\n            SELECT config_id FROM mcaptcha_config WHERE captcha_key = ?\n        );"
+  },
   "e6569a6064d0e07abea4c0bd4686cdfdaac64f0109ac40efaed06a744a2eaf5e": {
     "describe": {
       "columns": [
diff --git a/db/db-sqlx-maria/src/lib.rs b/db/db-sqlx-maria/src/lib.rs
index ef839f8e..0652755f 100644
--- a/db/db-sqlx-maria/src/lib.rs
+++ b/db/db-sqlx-maria/src/lib.rs
@@ -1049,6 +1049,38 @@ impl MCDatabase for Database {
         .map_err(|e| map_row_not_found_err(e, DBError::CaptchaNotFound))?;
         Ok(res.captcha_key)
     }
+
+    async fn analytics_delete_all_records_for_campaign(
+        &self,
+        campaign_id: &str,
+    ) -> DBResult<()> {
+        let _ = sqlx::query!(
+            "
+        DELETE FROM
+            mcaptcha_psuedo_campaign_id
+        WHERE config_id = (
+            SELECT config_id FROM mcaptcha_config WHERE captcha_key = ?
+        );",
+            campaign_id
+        )
+        .execute(&self.pool)
+        .await;
+
+        let _ = sqlx::query!(
+            "
+            DELETE FROM
+                mcaptcha_pow_analytics
+            WHERE
+                config_id = (
+                    SELECT config_id FROM mcaptcha_config WHERE captcha_key = ?
+            ) ",
+            campaign_id
+        )
+        .execute(&self.pool)
+        .await;
+
+        Ok(())
+    }
 }
 
 #[derive(Clone)]
diff --git a/db/db-sqlx-postgres/sqlx-data.json b/db/db-sqlx-postgres/sqlx-data.json
index 7fd3dc72..2c3d85e3 100644
--- a/db/db-sqlx-postgres/sqlx-data.json
+++ b/db/db-sqlx-postgres/sqlx-data.json
@@ -240,6 +240,18 @@
     },
     "query": "SELECT email FROM mcaptcha_users WHERE name = $1"
   },
+  "30d8945806b4c68b6da800395f61c1e480839093bfcda9c693bf1972a65c7d79": {
+    "describe": {
+      "columns": [],
+      "nullable": [],
+      "parameters": {
+        "Left": [
+          "Text"
+        ]
+      }
+    },
+    "query": "\n        DELETE FROM\n            mcaptcha_psuedo_campaign_id\n        WHERE config_id = (\n            SELECT config_id FROM mcaptcha_config WHERE key = ($1)\n        );"
+  },
   "3b1c8128fc48b16d8e8ea6957dd4fbc0eb19ae64748fd7824e9f5e1901dd1726": {
     "describe": {
       "columns": [],
@@ -588,6 +600,18 @@
     },
     "query": "INSERT INTO mcaptcha_pow_analytics \n        (config_id, time, difficulty_factor, worker_type)\n        VALUES ((SELECT config_id FROM mcaptcha_config WHERE key = $1), $2, $3, $4)"
   },
+  "b67da576ff30a1bc8b1c0a79eff07f0622bd9ea035d3de15b91f5e1e8a5fda9b": {
+    "describe": {
+      "columns": [],
+      "nullable": [],
+      "parameters": {
+        "Left": [
+          "Text"
+        ]
+      }
+    },
+    "query": "\n            DELETE FROM\n                mcaptcha_pow_analytics\n            WHERE\n                config_id = (\n                    SELECT config_id FROM mcaptcha_config WHERE key = $1\n                    )\n             "
+  },
   "b97d810814fbeb2df19f47bcfa381bc6fb7ac6832d040b377cf4fca2ca896cfb": {
     "describe": {
       "columns": [],
diff --git a/db/db-sqlx-postgres/src/lib.rs b/db/db-sqlx-postgres/src/lib.rs
index 319c2f28..2ee8f85c 100644
--- a/db/db-sqlx-postgres/src/lib.rs
+++ b/db/db-sqlx-postgres/src/lib.rs
@@ -1057,6 +1057,39 @@ impl MCDatabase for Database {
         .map_err(|e| map_row_not_found_err(e, DBError::CaptchaNotFound))?;
         Ok(res.key)
     }
+
+    async fn analytics_delete_all_records_for_campaign(
+        &self,
+        campaign_id: &str,
+    ) -> DBResult<()> {
+        let _ = sqlx::query!(
+            "
+        DELETE FROM
+            mcaptcha_psuedo_campaign_id
+        WHERE config_id = (
+            SELECT config_id FROM mcaptcha_config WHERE key = ($1)
+        );",
+            campaign_id
+        )
+        .execute(&self.pool)
+        .await;
+
+        let _ = sqlx::query!(
+            "
+            DELETE FROM
+                mcaptcha_pow_analytics
+            WHERE
+                config_id = (
+                    SELECT config_id FROM mcaptcha_config WHERE key = $1
+                    )
+             ",
+            campaign_id
+        )
+        .execute(&self.pool)
+        .await;
+
+        Ok(())
+    }
 }
 
 #[derive(Clone)]