diff --git a/src/db/models/group.rs b/src/db/models/group.rs
index 1d2e6062..6f267c10 100644
--- a/src/db/models/group.rs
+++ b/src/db/models/group.rs
@@ -151,6 +151,13 @@ impl Group {
         }
     }
 
+    pub async fn delete_all_by_organization(org_uuid: &str, conn: &mut DbConn) -> EmptyResult {
+        for group in Self::find_by_organization(org_uuid, conn).await {
+            group.delete(conn).await?;
+        }
+        Ok(())
+    }
+
     pub async fn find_by_organization(organizations_uuid: &str, conn: &mut DbConn) -> Vec<Self> {
         db_run! { conn: {
             groups::table
diff --git a/src/db/models/organization.rs b/src/db/models/organization.rs
index a6e4be21..34325b78 100644
--- a/src/db/models/organization.rs
+++ b/src/db/models/organization.rs
@@ -2,7 +2,7 @@ use num_traits::FromPrimitive;
 use serde_json::Value;
 use std::cmp::Ordering;
 
-use super::{CollectionUser, GroupUser, OrgPolicy, OrgPolicyType, TwoFactor, User};
+use super::{CollectionUser, Group, GroupUser, OrgPolicy, OrgPolicyType, TwoFactor, User};
 use crate::CONFIG;
 
 db_object! {
@@ -267,6 +267,7 @@ impl Organization {
         Collection::delete_all_by_organization(&self.uuid, conn).await?;
         UserOrganization::delete_all_by_organization(&self.uuid, conn).await?;
         OrgPolicy::delete_all_by_organization(&self.uuid, conn).await?;
+        Group::delete_all_by_organization(&self.uuid, conn).await?;
 
         db_run! { conn: {
             diesel::delete(organizations::table.filter(organizations::uuid.eq(self.uuid)))