diff --git a/backend/src/graphql/inputs/GdtInputs.ts b/backend/src/graphql/inputs/GdtInputs.ts
deleted file mode 100644
index e11ce24c1..000000000
--- a/backend/src/graphql/inputs/GdtInputs.ts
+++ /dev/null
@@ -1,28 +0,0 @@
-import { ArgsType, Field, Int } from 'type-graphql'
-
-@ArgsType()
-export class GdtTransactionInput {
-  @Field(() => String)
-  email: string
-
-  @Field(() => Int, { nullable: true })
-  currentPage?: number
-
-  @Field(() => Int, { nullable: true })
-  pageSize?: number
-
-  @Field(() => String, { nullable: true })
-  order?: string
-}
-
-@ArgsType()
-export class GdtTransactionSessionIdInput {
-  @Field(() => Int, { nullable: true })
-  currentPage?: number
-
-  @Field(() => Int, { nullable: true })
-  pageSize?: number
-
-  @Field(() => String, { nullable: true })
-  order?: string
-}
diff --git a/backend/src/graphql/inputs/LoginUserInput.ts b/backend/src/graphql/inputs/LoginUserInput.ts
deleted file mode 100644
index bafa6a851..000000000
--- a/backend/src/graphql/inputs/LoginUserInput.ts
+++ /dev/null
@@ -1,79 +0,0 @@
-import { ArgsType, Field } from 'type-graphql'
-
-@ArgsType()
-export class UnsecureLoginArgs {
-  @Field(() => String)
-  email: string
-
-  @Field(() => String)
-  password: string
-}
-
-@ArgsType()
-export class CreateUserArgs {
-  @Field(() => String)
-  email: string
-
-  @Field(() => String)
-  firstName: string
-
-  @Field(() => String)
-  lastName: string
-
-  @Field(() => String)
-  password: string
-
-  @Field(() => String)
-  language: string
-}
-
-@ArgsType()
-export class ChangePasswordArgs {
-  @Field(() => Number)
-  sessionId: number
-
-  @Field(() => String)
-  email: string
-
-  @Field(() => String)
-  password: string
-}
-
-@ArgsType()
-export class UpdateUserInfosArgs {
-  @Field(() => String)
-  email!: string
-
-  @Field({ nullable: true })
-  firstName?: string
-
-  @Field({ nullable: true })
-  lastName?: string
-
-  @Field({ nullable: true })
-  description?: string
-
-  @Field({ nullable: true })
-  username?: string
-
-  @Field({ nullable: true })
-  language?: string
-
-  @Field({ nullable: true })
-  publisherId?: number
-
-  @Field({ nullable: true })
-  password?: string
-
-  @Field({ nullable: true })
-  passwordNew?: string
-}
-
-@ArgsType()
-export class CheckUsernameArgs {
-  @Field(() => String)
-  username: string
-
-  @Field(() => Number, { nullable: true })
-  groupId?: number
-}
diff --git a/backend/src/graphql/inputs/TransactionInput.ts b/backend/src/graphql/inputs/TransactionInput.ts
deleted file mode 100644
index 016fe9720..000000000
--- a/backend/src/graphql/inputs/TransactionInput.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-import { ArgsType, Field, Int } from 'type-graphql'
-
-@ArgsType()
-export class TransactionListInput {
-  @Field(() => Int)
-  firstPage: number
-
-  @Field(() => Int)
-  items: number
-
-  @Field(() => String)
-  order: 'ASC' | 'DESC'
-}
-
-@ArgsType()
-export class TransactionSendArgs {
-  @Field(() => String)
-  email: string
-
-  @Field(() => Number)
-  amount: number
-
-  @Field(() => String)
-  memo: string
-}