diff --git a/crates/api/src/local_user/get_captcha.rs b/crates/api/src/local_user/get_captcha.rs
index 8ee785fcd..0d2237d2e 100644
--- a/crates/api/src/local_user/get_captcha.rs
+++ b/crates/api/src/local_user/get_captcha.rs
@@ -37,7 +37,7 @@ impl Perform for GetCaptcha {
 
     let captcha_form: CaptchaAnswerForm = CaptchaAnswerForm { answer };
     // Stores the captcha item in the db
-    let captcha = CaptchaAnswer::insert(context.pool(), &captcha_form).await?;
+    let captcha = CaptchaAnswer::insert(&mut *context.conn().await?, &captcha_form).await?;
 
     Ok(GetCaptchaResponse {
       ok: Some(CaptchaResponse {
diff --git a/crates/api_crud/src/user/create.rs b/crates/api_crud/src/user/create.rs
index 9092376b6..d75a3c72d 100644
--- a/crates/api_crud/src/user/create.rs
+++ b/crates/api_crud/src/user/create.rs
@@ -76,7 +76,7 @@ impl PerformCrud for Register {
       if let Some(captcha_uuid) = &data.captcha_uuid {
         let uuid = uuid::Uuid::parse_str(captcha_uuid)?;
         let check = CaptchaAnswer::check_captcha(
-          context.pool(),
+          &mut *context.conn().await?,
           CheckCaptchaAnswer {
             uuid,
             answer: data.captcha_answer.clone().unwrap_or_default(),
diff --git a/crates/db_schema/src/impls/captcha_answer.rs b/crates/db_schema/src/impls/captcha_answer.rs
index de5fac65e..9500d31e5 100644
--- a/crates/db_schema/src/impls/captcha_answer.rs
+++ b/crates/db_schema/src/impls/captcha_answer.rs
@@ -1,7 +1,7 @@
 use crate::{
   schema::captcha_answer::dsl::{answer, captcha_answer, uuid},
   source::captcha_answer::{CaptchaAnswer, CaptchaAnswerForm, CheckCaptchaAnswer},
-  utils::{functions::lower, get_conn, DbPool},
+  utils::{functions::lower, DbConn},
 };
 use diesel::{
   delete,
@@ -15,18 +15,17 @@ use diesel::{
 use diesel_async::RunQueryDsl;
 
 impl CaptchaAnswer {
-  pub async fn insert(pool: &DbPool, captcha: &CaptchaAnswerForm) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
-
+  pub async fn insert(conn: &mut DbConn, captcha: &CaptchaAnswerForm) -> Result<Self, Error> {
     insert_into(captcha_answer)
       .values(captcha)
       .get_result::<Self>(conn)
       .await
   }
 
-  pub async fn check_captcha(pool: &DbPool, to_check: CheckCaptchaAnswer) -> Result<bool, Error> {
-    let conn = &mut get_conn(pool).await?;
-
+  pub async fn check_captcha(
+    conn: &mut DbConn,
+    to_check: CheckCaptchaAnswer,
+  ) -> Result<bool, Error> {
     // fetch requested captcha
     let captcha_exists = select(exists(
       captcha_answer
@@ -49,17 +48,17 @@ impl CaptchaAnswer {
 mod tests {
   use crate::{
     source::captcha_answer::{CaptchaAnswer, CaptchaAnswerForm, CheckCaptchaAnswer},
-    utils::build_db_pool_for_tests,
+    utils::build_db_conn_for_tests,
   };
   use serial_test::serial;
 
   #[tokio::test]
   #[serial]
   async fn test_captcha_happy_path() {
-    let pool = &build_db_pool_for_tests().await;
+    let conn = &mut build_db_conn_for_tests().await;
 
     let inserted = CaptchaAnswer::insert(
-      pool,
+      conn,
       &CaptchaAnswerForm {
         answer: "XYZ".to_string(),
       },
@@ -68,7 +67,7 @@ mod tests {
     .expect("should not fail to insert captcha");
 
     let result = CaptchaAnswer::check_captcha(
-      pool,
+      conn,
       CheckCaptchaAnswer {
         uuid: inserted.uuid,
         answer: "xyz".to_string(),
@@ -83,10 +82,10 @@ mod tests {
   #[tokio::test]
   #[serial]
   async fn test_captcha_repeat_answer_fails() {
-    let pool = &build_db_pool_for_tests().await;
+    let conn = &mut build_db_conn_for_tests().await;
 
     let inserted = CaptchaAnswer::insert(
-      pool,
+      conn,
       &CaptchaAnswerForm {
         answer: "XYZ".to_string(),
       },
@@ -95,7 +94,7 @@ mod tests {
     .expect("should not fail to insert captcha");
 
     let _result = CaptchaAnswer::check_captcha(
-      pool,
+      conn,
       CheckCaptchaAnswer {
         uuid: inserted.uuid,
         answer: "xyz".to_string(),
@@ -104,7 +103,7 @@ mod tests {
     .await;
 
     let result_repeat = CaptchaAnswer::check_captcha(
-      pool,
+      conn,
       CheckCaptchaAnswer {
         uuid: inserted.uuid,
         answer: "xyz".to_string(),