diff --git a/schema.graphql b/schema.graphql
index c167e30..d002ceb 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -8,6 +8,7 @@ type Mutation {
   updateUser(user: UpdateUserInput!): Success!
   addUserToGroup(userId: String!, groupId: Int!): Success!
   removeUserFromGroup(userId: String!, groupId: Int!): Success!
+  deleteUser(userId: String!): Success!
 }
 
 type Group {
diff --git a/server/src/infra/graphql/mutation.rs b/server/src/infra/graphql/mutation.rs
index 1ec4d29..b803ae9 100644
--- a/server/src/infra/graphql/mutation.rs
+++ b/server/src/infra/graphql/mutation.rs
@@ -123,4 +123,12 @@ impl<Handler: BackendHandler + Sync> Mutation<Handler> {
             .await?;
         Ok(Success::new())
     }
+
+    async fn delete_user(context: &Context<Handler>, user_id: String) -> FieldResult<Success> {
+        if !context.validation_result.is_admin {
+            return Err("Unauthorized user deletion".into());
+        }
+        context.handler.delete_user(&user_id).await?;
+        Ok(Success::new())
+    }
 }