diff --git a/database/src/interface/TransactionContext.ts b/database/src/interface/TransactionContext.ts
deleted file mode 100644
index 8eeb579a0..000000000
--- a/database/src/interface/TransactionContext.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-import Decimal from 'decimal.js-light'
-
-export interface TransactionContext {
-  typeId: number
-  userId: number
-  balance: Decimal
-  balanceDate: Date
-  amount: Decimal
-  memo: string
-  creationDate?: Date
-  sendReceiverUserId?: number
-}
diff --git a/database/src/interface/UserContext.ts b/database/src/interface/UserContext.ts
deleted file mode 100644
index f3ccaecf4..000000000
--- a/database/src/interface/UserContext.ts
+++ /dev/null
@@ -1,26 +0,0 @@
-export interface UserContext {
-  pubKey?: Buffer
-  email?: string
-  firstName?: string
-  lastName?: string
-  deletedAt?: Date
-  password?: BigInt
-  privKey?: Buffer
-  emailHash?: Buffer
-  createdAt?: Date
-  emailChecked?: boolean
-  language?: string
-  publisherId?: number
-  passphrase?: string
-}
-
-export interface ServerUserContext {
-  username?: string
-  password?: string
-  email?: string
-  role?: string
-  activated?: number
-  lastLogin?: Date
-  created?: Date
-  modified?: Date
-}
diff --git a/database/src/interface/UserInterface.ts b/database/src/interface/UserInterface.ts
deleted file mode 100644
index ca328c092..000000000
--- a/database/src/interface/UserInterface.ts
+++ /dev/null
@@ -1,32 +0,0 @@
-import Decimal from 'decimal.js-light'
-
-export interface UserInterface {
-  // from user
-  email?: string
-  firstName?: string
-  lastName?: string
-  password?: BigInt
-  pubKey?: Buffer
-  privKey?: Buffer
-  emailHash?: Buffer
-  createdAt?: Date
-  emailChecked?: boolean
-  language?: string
-  deletedAt?: Date
-  publisherId?: number
-  passphrase?: string
-  // from server user
-  serverUserPassword?: string
-  role?: string
-  activated?: number
-  lastLogin?: Date
-  modified?: Date
-  // flag for admin
-  isAdmin?: boolean
-  // flag for balance (creation of 1000 GDD)
-  addBalance?: boolean
-  // balance
-  recordDate?: Date
-  creationDate?: Date
-  amount?: Decimal
-}