diff --git a/contracts/interfaces/sablier/ISablierV2Lockup.sol b/contracts/interfaces/sablier/ISablierV2Lockup.sol
deleted file mode 100644
index cce723e0..00000000
--- a/contracts/interfaces/sablier/ISablierV2Lockup.sol
+++ /dev/null
@@ -1,26 +0,0 @@
-// SPDX-License-Identifier: MIT
-pragma solidity ^0.8.0;
-import {LockupLinear2} from "../sablier/LockupLinear2.sol";
-
-interface ISablierV2Lockup {
-    function withdrawableAmountOf(
-        uint256 streamId
-    ) external view returns (uint128 withdrawableAmount);
-
-    function isCancelable(uint256 streamId) external view returns (bool result);
-
-    function withdrawMax(
-        uint256 streamId,
-        address to
-    ) external returns (uint128 withdrawnAmount);
-
-    function getStream(
-        uint256 streamId
-    ) external view returns (LockupLinear2.Stream memory);
-
-    function cancel(uint256 streamId) external;
-
-    function statusOf(
-        uint256 streamId
-    ) external view returns (LockupLinear2.Status status);
-}
diff --git a/contracts/interfaces/sablier/LockupLinear2.sol b/contracts/interfaces/sablier/LockupLinear2.sol
deleted file mode 100644
index 2507cfb2..00000000
--- a/contracts/interfaces/sablier/LockupLinear2.sol
+++ /dev/null
@@ -1,31 +0,0 @@
-// SPDX-License-Identifier: MIT
-pragma solidity ^0.8.0;
-
-library LockupLinear2 {
-    struct Stream {
-        address sender;
-        uint40 startTime;
-        uint40 endTime;
-        uint40 cliffTime;
-        bool cancelable;
-        bool wasCanceled;
-        address asset;
-        bool transferable;
-        uint128 totalAmount;
-        address recipient;
-    }
-
-    /// @notice Enum representing the different statuses of a stream.
-    /// @custom:value0 PENDING Stream created but not started; assets are in a pending state.
-    /// @custom:value1 STREAMING Active stream where assets are currently being streamed.
-    /// @custom:value2 SETTLED All assets have been streamed; recipient is due to withdraw them.
-    /// @custom:value3 CANCELED Canceled stream; remaining assets await recipient's withdrawal.
-    /// @custom:value4 DEPLETED Depleted stream; all assets have been withdrawn and/or refunded.
-    enum Status {
-        PENDING,
-        STREAMING,
-        SETTLED,
-        CANCELED,
-        DEPLETED
-    }
-}