diff --git a/src/interfaces/root/IERC20.sol b/src/interfaces/root/IERC20.sol
deleted file mode 100644
index 1d05ecf7..00000000
--- a/src/interfaces/root/IERC20.sol
+++ /dev/null
@@ -1,79 +0,0 @@
-// SPDX-License-Identifier: MIT
-
-pragma solidity ^0.8.9;
-
-/**
- * @dev Interface of the ERC20 standard as defined in the EIP.
- */
-interface IERC20 {
-    error InvalidAccount();
-
-    /**
-     * @dev Returns the amount of tokens in existence.
-     */
-    function totalSupply() external view returns (uint256);
-
-    /**
-     * @dev Returns the amount of tokens owned by `account`.
-     */
-    function balanceOf(address account) external view returns (uint256);
-
-    /**
-     * @dev Moves `amount` tokens from the caller's account to `recipient`.
-     *
-     * Returns a boolean value indicating whether the operation succeeded.
-     *
-     * Emits a {Transfer} event.
-     */
-    function transfer(address recipient, uint256 amount) external returns (bool);
-
-    /**
-     * @dev Returns the remaining number of tokens that `spender` will be
-     * allowed to spend on behalf of `owner` through {transferFrom}. This is
-     * zero by default.
-     *
-     * This value changes when {approve} or {transferFrom} are called.
-     */
-    function allowance(address owner, address spender) external view returns (uint256);
-
-    /**
-     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
-     *
-     * Returns a boolean value indicating whether the operation succeeded.
-     *
-     * IMPORTANT: Beware that changing an allowance with this method brings the risk
-     * that someone may use both the old and the new allowance by unfortunate
-     * transaction ordering. One possible solution to mitigate this race
-     * condition is to first reduce the spender's allowance to 0 and set the
-     * desired value afterwards:
-     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
-     *
-     * Emits an {Approval} event.
-     */
-    function approve(address spender, uint256 amount) external returns (bool);
-
-    /**
-     * @dev Moves `amount` tokens from `sender` to `recipient` using the
-     * allowance mechanism. `amount` is then deducted from the caller's
-     * allowance.
-     *
-     * Returns a boolean value indicating whether the operation succeeded.
-     *
-     * Emits a {Transfer} event.
-     */
-    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
-
-    /**
-     * @dev Emitted when `value` tokens are moved from one account (`from`) to
-     * another (`to`).
-     *
-     * Note that `value` may be zero.
-     */
-    event Transfer(address indexed from, address indexed to, uint256 value);
-
-    /**
-     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
-     * a call to {approve}. `value` is the new allowance.
-     */
-    event Approval(address indexed owner, address indexed spender, uint256 value);
-}