diff --git a/backend/src/graphql/models/Group.ts.old b/backend/src/graphql/models/Group.ts.old
deleted file mode 100644
index 45582225e..000000000
--- a/backend/src/graphql/models/Group.ts.old
+++ /dev/null
@@ -1,26 +0,0 @@
-import { Entity, BaseEntity, PrimaryGeneratedColumn, Column } from 'typeorm'
-import { ObjectType, Field, ID } from 'type-graphql'
-
-@Entity()
-@ObjectType()
-export class Group extends BaseEntity {
-  @Field(() => ID)
-  @PrimaryGeneratedColumn()
-  id: number
-
-  @Field(() => String)
-  @Column({ length: 190 })
-  alias: string
-
-  @Field(() => String)
-  @Column()
-  name: string
-
-  @Field(() => String)
-  @Column('text')
-  description: string
-
-  @Field(() => String)
-  @Column()
-  url: string
-}
diff --git a/backend/src/graphql/resolvers/GroupResolver.ts.old b/backend/src/graphql/resolvers/GroupResolver.ts.old
deleted file mode 100644
index 8294c09ab..000000000
--- a/backend/src/graphql/resolvers/GroupResolver.ts.old
+++ /dev/null
@@ -1,23 +0,0 @@
-import { Resolver, Query, Mutation, Arg } from 'type-graphql'
-import { Group } from '../models/Group'
-import { loginAPI, NetworkInfosResult } from '../../apis/loginAPI'
-@Resolver()
-export class GroupResolver {
-  @Query(() => [Group])
-  async groups(): Promise<Group[]> {
-    const result: NetworkInfosResult = await loginAPI.getNetworkInfos(['groups'])
-    const groups: Group[] = []
-
-    result.data.groups?.forEach((alias: string) => {
-      const group = new Group()
-      group.alias = alias
-      groups.push(group)
-    })
-    return groups
-  }
-
-  @Query(() => Group)
-  group(@Arg('id') id: string): Promise<Group | undefined> {
-    return Group.findOne({ where: { id } })
-  }
-}