diff --git a/src/helpers/account_helper.rs b/src/helpers/account_helper.rs
index f99c200..8011dee 100644
--- a/src/helpers/account_helper.rs
+++ b/src/helpers/account_helper.rs
@@ -312,6 +312,9 @@ pub fn delete(user_id: &UserID) -> ResultBoxError {
     // Delete all user posts
     posts_helper::delete_all_user(user_id)?;
 
+    // Delete all responses of user to surveys
+    survey_helper::delete_all_user_responses(user_id)?;
+
     // TODO : continue work here
 
     Ok(())
diff --git a/src/helpers/survey_helper.rs b/src/helpers/survey_helper.rs
index 1c2b8f7..328a3c6 100644
--- a/src/helpers/survey_helper.rs
+++ b/src/helpers/survey_helper.rs
@@ -143,6 +143,13 @@ pub fn export_all_user_responses(user_id: &UserID) -> ResultBoxError<Vec<SurveyR
         .exec(db_to_survey_response)
 }
 
+/// Delete all the responses of a user to surveys
+pub fn delete_all_user_responses(user_id: &UserID) -> ResultBoxError {
+    database::DeleteQuery::new(SURVEY_RESPONSE_TABLE)
+        .cond_user_id("ID_utilisateurs", user_id)
+        .exec()
+}
+
 /// Turn a database entry into a row object
 fn db_to_survey(row: &database::RowResult) -> ResultBoxError<Survey> {
     let survey_id = row.get_u64("ID")?;